All products · 66 of 1440
Electronics, sensors, robotics kits, PC components, peripherals — everything Unik Systems carries, in one place.
Out of stockSolder Wire 60/40 Sn/Pb (100 g, 0.8 mm)
60/40 leaded solder wire, 0.8 mm dia, rosin flux core. Easy melt point.
Out of stockLead-Free Solder Wire (100 g, 0.6 mm)
Sn99.3 Cu0.7 lead-free solder, 0.6mm dia, rosin core. RoHS compliant.
Out of stockFlush Side Cutter (PCB Lead Trimmer)
Precision flush-cut pliers for PCB lead trimming.
25 Watt Soldering Iron with 3mm Tip
[Soldering Iron] 25W Soldering Iron – Deluxe Economic The 25W Soldering Iron – Deluxe Economic is a compact and practical soldering tool designed for electronics assembly, component soldering, PCB repair, circuit modifications, and general-purpose electronic work. With a 25W heating element and included 3mm spade tip, it provides a convenient solution for routine soldering applications. The soldering iron features a quick-heating element to reduce waiting time before operation. It is compatible with most standard soldering tips available on the market, making it suitable for both hobbyists and professional electronics repair work. This soldering iron is manufactured in India and may be supplied under SAMCON, Devaji, Noel, Alpine, or an equivalent manufacturer, depending on availability. ⭐ Key Features 25W power output Includes 3mm spade tip Quick-heating capability Compatible with most standard soldering tips Compact and practical design Suitable for PCB soldering and repair Durable construction for general electronics work Suitable for hobbyists, technicians, and educational use Made in India 📋 Technical Specifications Product Type: Electric Soldering Iron Model: Deluxe Economic Power Rating: 25W Tip Type: 3mm Spade Tip: 3mm Spade Tip, Pre-Installed Heating Type: Quick Heating Tip Compatibility: Most Standard Soldering Tips Manufacturer: SAMCON / Devaji / Noel / Alpine or Equivalent Country of Origin: India Application: Electronics Soldering and PCB Repair 🔧 Applications General Electronics Component Soldering PCB Assembly PCB Repair Circuit Modifications Electronics Hobby Projects DIY Electronics Educational Electronics Workshops Component Replacement Wire Soldering General Electrical & Electronic Repair 🛠️ How to Use Insert a suitable soldering tip and allow the iron to heat up. Apply solder to the heated joint and component connection to create a proper electrical and mechanical connection. After completing the work, place the soldering iron safely on a heat-resistant stand and allow it to cool before storage. 📦 Package Includes 1 × 25W Soldering Iron 1 × 3mm Spade Tip (Pre-Installed) ⚠️ Precautions The soldering tip becomes extremely hot during operation. Do not touch the heated tip or metal parts during use. Always place the soldering iron on a suitable heat-resistant stand when not in use. Use in a well-ventilated area. Wear appropriate eye protection during soldering. Keep away from children and flammable materials. Disconnect from the power supply after use. Allow the iron to cool completely before changing the tip. Lead-free solder may require higher temperatures and may not perform optimally with every 25W soldering application. ❓ Frequently Asked Questions Q: Can the 3mm spade tip be replaced?A: Yes. The supplied specification states that the soldering iron is compatible with most standard soldering tips, allowing tip replacement. Q: What safety precautions are required?A: Use the soldering iron in a well-ventilated area, use eye protection, and place it on a heat-resistant stand when not in use. Q: Is it compatible with lead-free solder?A: It can be used with lead-free solder, although lead-free soldering may require higher temperatures depending on the application.
16 sq mm Copper Ring Lug Cable Terminal
[Terminal Connector] 16 sq mm Pure Copper Ring Lug Cable Terminal The 16 sq mm Pure Copper Ring Lug Cable Terminal is a high-quality electrical cable lug designed for making secure and reliable connections in high-current electrical systems. Made from pure copper, it provides excellent electrical conductivity and a strong mechanical connection between the cable and the terminal point. The ring lug design allows the terminal to be securely fastened to battery terminals, busbars, studs, bolts, and other electrical connection points. It is suitable for battery packs, inverters, UPS systems, solar installations, automotive wiring, and industrial electrical applications. The compact construction provides a reliable connection while allowing easy installation using a suitable crimping tool. The terminal is ideal for applications where a strong and low-resistance electrical connection is required. ⭐ Key Features Made from pure copper Designed for 16 sq mm cable Ring lug terminal design Excellent electrical conductivity Strong and reliable mechanical connection Suitable for high-current applications Easy bolt and stud mounting Suitable for battery and power wiring Ideal for electrical and DIY applications 📋 Technical Specifications Product Type: Copper Ring Cable Lug Material: Pure Copper Compatible Cable Size: 16 sq mm Terminal Type: Ring Lug Finish: Natural Copper / Tinned, depending on variant Connection Type: Bolt / Stud Mount Application: High-Current Electrical Connections 🔧 Applications Lithium Battery Packs LiFePO₄ Battery Systems Lead-Acid Batteries Inverter Connections UPS Systems Solar Power Systems Automotive Wiring Electrical Panels Power Distribution Industrial Wiring DIY Battery Projects 📦 Package Includes 1 × 16 sq mm Pure Copper Ring Lug Cable Terminal ⚠️ Precautions Select the correct lug according to the 16 sq mm cable size and required mounting hole diameter. Use a suitable cable-lug crimping tool for a secure connection. Ensure the cable is properly inserted and crimped before use. Do not exceed the safe current capacity of the cable and terminal assembly. Ensure all electrical connections are properly insulated and secured.
XH-M401 DC-DC Step Down Buck Converter Power Supply Module XL4016E1
[Step Down Buck Converter] ⚡ XL4016 12A DC-DC Step-Down Buck Converter Module Adjustable Power Supply 12A High Current • Adjustable Output • Up to 96% Efficiency • Ideal for Battery Charging & Power Supply Applications The XL4016 DC-DC Step-Down Buck Converter Module is a high-performance switching voltage regulator designed to efficiently convert higher DC input voltages into a stable, adjustable lower output voltage. Based on the XL4016 PWM Buck Converter IC, this module supports input voltages from 8V to 36V DC and provides an adjustable output voltage from 1.25V to 32V, making it suitable for a wide range of power supply applications. Capable of delivering up to 12A output current with conversion efficiencies of up to 96%, the module features built-in thermal shutdown, current limiting, and short-circuit protection for safe and reliable operation. Its compact design and excellent voltage regulation make it ideal for powering electronic projects, battery charging systems, LED lighting, industrial equipment, communication devices, and laboratory power supplies. ⭐ Features Based on the XL4016 high-performance buck converter IC Wide input voltage range of 8V–36V DC Adjustable output voltage from 1.25V–32V DC Supports output current up to 12A High conversion efficiency up to 96% Built-in thermal shutdown protection Built-in over-current protection Built-in output short-circuit protection Excellent line and load regulation Compact PCB design Suitable for battery charging and DC power applications 📋 Technical Specifications Product Type: DC-DC Buck Converter Module Model: XL4016 (XH-M401 / HW-439 / HW-674) Converter Type: Step-Down (Buck) Input Voltage: 8V–36V DC Output Voltage: 1.25V–32V DC (Adjustable) Maximum Output Current: 12A Maximum Conversion Efficiency: Up to 96% Load Regulation: ±0.5% Voltage Regulation: ±0.5% Switching Frequency: 180kHz Protection Features: Over-Current Protection Thermal Shutdown Protection Output Short-Circuit Protection PCB Size: 60 × 40 mm Operating Principle: PWM Step-Down Regulation 🔧 Applications Suitable for: Adjustable DC Power Supplies Lithium Battery Charging Lead Acid Battery Charging Solar Power Systems LED Drivers LCD Monitors LCD Televisions Portable Instruments Telecommunication Equipment Networking Equipment Robotics Projects Arduino Projects ESP32 Projects Industrial Automation DIY Electronics 📦 Package Includes 1 × XL4016 12A DC-DC Step-Down Buck Converter Module ⚠️ Note This is a step-down (buck) converter; the input voltage must always be higher than the required output voltage. Adjust the output voltage before connecting sensitive electronic devices. Product may be supplied as XH-M401, HW-439, or HW-674, depending on stock availability. All variants offer equivalent functionality.
Digital Multimeter Test Leads with Ultra Sharp Needle Probe & Banana Plug CAT III 1000V 10A for SMD
[Hook up wire] The Digital Multimeter Test Lead Kit is a high-quality replacement probe set designed for accurate electrical measurements and electronic troubleshooting. Featuring ultra-sharp stainless steel needle probes, these leads allow easy access to miniature IC pins, SMD components, PCB tracks, LEDs, and other small electronic devices without causing damage. The probes are fitted with standard 4mm banana plug connectors, making them compatible with most digital multimeters, clamp meters, bench meters, and testing equipment from brands such as Fluke, Extech, Mastech, Uni-T, Victor, Sanwa, and many more. Constructed using high-quality PVC insulated cables and durable metal probes, the leads provide excellent flexibility, low resistance, and long service life. The CAT III safety rating ensures safe operation up to 1000V with a maximum current rating of 10A, making them suitable for both electronics and electrical testing. The built-in protective finger guards improve operator safety, while the flexible cables remain tangle-free during continuous testing. These probes are ideal for laboratory work, electronics repair, field service, educational laboratories, industrial maintenance, and DIY electronics projects. 🔹 Key Features Ultra-sharp stainless steel needle probes Standard 4mm banana plug connectors CAT III 1000V safety rating Maximum current rating: 10A Flexible PVC insulated cables Accurate low-resistance measurements Comfortable insulated probe handles Durable construction for long service life Compatible with most digital multimeters Ideal for PCB, SMD, IC and electrical testing 🔹 Technical Specifications Product Type: Digital Multimeter Test Leads Probe Type: Ultra Sharp Needle Probe Probe Colors: Red & Black Connector Type: 4mm Banana Plug Cable Material: PVC Insulated Probe Material: Stainless Steel / Metal Cable Length: Approx. 83cm Total Length: Approx. 103cm Maximum Current: 10A Maximum Voltage: 1000V Safety Rating: CAT III 1000V Measurement Type: Voltage, Current, Resistance, Continuity Compatibility: Most Digital Multimeters 🔹 Compatible With Fluke Multimeters Extech Multimeters Mastech Multimeters UNI-T Multimeters Victor Multimeters Sanwa Multimeters DT830 Series DT9205 Series Most multimeters with 4mm banana sockets 🔹 Applications Suitable for: Digital multimeters PCB testing SMD component testing IC pin testing LED testing Continuity testing Voltage measurement Current measurement Electronics repair Laboratory testing Industrial maintenance DIY electronics projects 🔹 Package Includes 1 × Red Multimeter Test Lead 1 × Black Multimeter Test Lead
702025 3.7V 400mAh rechargeable Battery for Drone, Toys, Gaming, Robotics bluetoorh Headset, Bluetooth Speaker
[LiPo Cell] The 702025 3.7V 400mAh Rechargeable Lithium Polymer Battery is a compact and high-performance power source designed for portable electronic devices requiring lightweight and reliable energy storage. Built using advanced Lithium Polymer (Li-Po) technology, it provides high energy density, low self-discharge, and consistent output voltage. In addition, the battery delivers a nominal voltage of 3.7V with a capacity of 400mAh, making it suitable for powering compact electronic devices and embedded systems. As a result, it is widely used in drones, Bluetooth speakers, Bluetooth headsets, wireless gaming accessories, robotics, GPS devices, wearable electronics, and DIY battery-powered projects. Because of its slim profile and lightweight construction, the battery can be easily integrated into space-constrained applications. Furthermore, it supports multiple charge and discharge cycles while maintaining stable performance and long service life. The battery includes a pre-attached connector with insulated leads for quick installation and safe operation. Moreover, its rechargeable design makes it an economical and environmentally friendly power solution. ⚠️ Note: Charge the battery only with a compatible 3.7V Lithium Polymer battery charger or BMS protection circuit. 🔹 Key Features Rechargeable Lithium Polymer (Li-Po) battery High energy density Compact and lightweight design Stable 3.7V output Long charge/discharge cycle life Low self-discharge rate Pre-attached connection wires Suitable for portable electronic devices Reliable and safe performance Ideal for DIY electronics projects 🔹 Technical Specifications Battery Type: Lithium Polymer (Li-Po) Model: 702025 Nominal Voltage: 3.7V Full Charge Voltage: 4.2V Capacity: 400mAh Battery Dimensions: Approx. 7 × 20 × 25 mm Rechargeable: Yes Protection Circuit: Yes Charging Method: CC/CV (Constant Current / Constant Voltage) Operating Temperature: -10°C to +60°C Weight: Approximately 6–7g 🔹 Applications This battery is suitable for: Mini drones RC toys Bluetooth headsets Bluetooth speakers Wireless gaming controllers Robotics projects GPS trackers Wearable electronics DIY electronic devices Portable rechargeable products
Keltron 3300uF 25V Radial Electrolytic Capacitor High Performance Capacitor
[Through Hole Capacitor] The Keltron 3300uF 25V Electrolytic Capacitor is a high-performance aluminum electrolytic capacitor designed for energy storage, voltage filtering, and ripple suppression applications. It is widely used in power supply circuits, audio amplifiers, inverter systems, battery chargers, and industrial electronics. In addition, the capacitor provides excellent filtering capability by reducing voltage fluctuations and unwanted electrical noise. As a result, it helps improve circuit stability and enhances overall system performance. Because of its 3300uF high capacitance value, the capacitor is ideal for smoothing DC power rails and handling transient current demands. Furthermore, the 25V DC voltage rating makes it suitable for a variety of low-voltage electronic applications. The radial lead design allows easy PCB installation and secure mounting. Moreover, Keltron capacitors are known for their dependable quality, stable electrical characteristics, and long operational life. This capacitor is commonly used in audio amplifier power supplies, SMPS circuits, LED power supplies, inverter systems, battery chargers, and DIY electronics projects. 🔹 Key Features Genuine Keltron capacitor High capacitance 3300uF value Rated voltage of 25V DC Excellent ripple filtering performance Suitable for audio and power supply circuits Low leakage current Long operational life Radial lead through-hole design Reliable and stable performance 🔹 Technical Specifications Brand: Keltron Product Type: Electrolytic Capacitor Capacitor Type: Aluminum Electrolytic Capacitance: 3300uF Rated Voltage: 25V DC Tolerance: ±20% Mounting Type: Through-Hole (Radial Lead) Polarized: Yes Lead Type: Radial Operating Temperature: Up to 105°C (Series Dependent) Application: Filtering, Decoupling, Energy Storage 🔹 Applications This capacitor is suitable for: Audio amplifier circuits Power supply filtering SMPS circuits Inverter systems Battery chargers LED driver circuits Industrial electronics DIY electronics projects Electronic repair applications 🔹 Package Includes 1 × Keltron 3300uF 25V Radial Electrolytic Capacitor
MAS830L Digital LCD Multimeter with Backlight | AC/DC Voltage Current Resistance Tester
[Measuring Instruments] The MAS830L Digital LCD Pocket Multimeter with Backlight is a compact, accurate, and reliable electrical measuring instrument designed for everyday testing and troubleshooting. Built for technicians, students, hobbyists, and DIY electronics users, this multimeter supports measurement of AC voltage, DC voltage, DC current, resistance, continuity, and diode testing in a convenient handheld format. Equipped with a clear LCD display and built-in backlight, the MAS830L allows easy reading of measurements even in low-light working conditions. Its manual range selector dial provides simple and precise control over measurement ranges, while automatic polarity indication helps prevent reading errors. Designed with durability and portability in mind, this pocket-size multimeter features a strong impact-resistant body and lightweight construction, making it ideal for both field work and bench testing. The included test leads allow immediate use for checking batteries, circuits, wiring, power supplies, and electronic components. With stable performance, essential protection features, and user-friendly operation, the MAS830L is an excellent choice for electrical maintenance, electronics repair, lab experiments, educational training, and home diagnostics. Whether you are testing voltage, checking continuity, or measuring resistance, this multimeter delivers dependable results at an affordable price. ⭐ Key Features ✔ Measures AC & DC Voltage ✔ Measures DC Current ✔ Resistance Measurement ✔ Continuity Test with Buzzer ✔ Diode Test Function ✔ LCD Display with Backlight for low-light use ✔ Compact pocket-size design ✔ Manual range selection for accuracy ✔ Automatic polarity indication ✔ Lightweight and portable ✔ Ideal for beginners and professionals 🔧 Technical Specifications Model: MAS830L Display: LCD Digital with Backlight Display Count: 3½ digit (1999 count) Range Selection: Manual Polarity: Automatic indication Low Battery Indicator: Yes Measurement Ranges DC Voltage: 200mV / 2V / 20V / 200V / 600V AC Voltage: 200V / 600V DC Current: 200µA / 2mA / 20mA / 200mA / 10A Resistance: 200Ω / 2kΩ / 20kΩ / 200kΩ / 2MΩ Test Functions Continuity with buzzer Diode test Transistor hFE test (model variant dependent) Power Supply: 9V Battery (6F22) Operating Temperature: 0°C to 40°C (typical) Form Factor: Handheld / Pocket Body Material: Impact-resistant plastic 🎯 Applications Electrical troubleshooting Electronics repair & assembly Battery testing Circuit diagnostics DIY electronics projects Educational laboratories Home & industrial maintenance 📦 Package Includes 1 × Unity MAS830L Digital Multimeter 1 × Test Lead Pair 1 × User Manual (if included by batch)
Battery Voltage Wire 7/36 Black & Red 1 Meter – Flexible Copper Hook-Up Wire (Pair)
[Hook up wire] The Battery Voltage Wire 7/36 Black & Red is a high-quality flexible hook-up wire specially designed for battery connections, low-voltage power lines, and electronic circuits. Made with 7 strands of 36-gauge copper, this wire provides excellent conductivity, durability, and flexibility for easy routing in compact spaces. The wire comes in red and black insulation, making it perfect for identifying positive and negative terminals in battery packs, power supplies, inverters, chargers, and DIY electronics projects. With strong PVC insulation and fine stranded copper core, this wire is suitable for low-current DC applications, hobby electronics, Arduino projects, robotics, and general internal wiring. 🔹 Key Features High-quality 7/36 stranded copper conductor Red & Black color for easy polarity identification Highly flexible and easy to bend and route Low resistance for stable voltage transmission Durable PVC insulation for long life Ideal for low-voltage and low-current applications Suitable for DIY electronics, battery packs, and repair work 🔹 Technical Specifications Wire Type: Hook-up / Battery Voltage Wire Conductor Size: 7 / 36 (7 strands of 36 AWG) Material: Pure copper stranded core Insulation: PVC Color: Red & Black Rated Voltage: Up to 300V (typical) Current Rating: Low current applications Flexibility: High Application Type: DC wiring, battery leads, signal & power lines 🔹 Applications Battery pack connections Arduino and microcontroller projects Power supply wiring Robotics and automation Inverter and charger wiring (low current) DIY electronics and prototyping Repair and internal equipment wiring 🔹 Package Contents 1 × Red 7/36 Battery Wire 1 × Black 7/36 Battery Wire
Copper Lug 25mm | 25 Sq mm Copper Terminal
[Battery Connector] 25 sq mm Pure Copper Ring Lug Cable Terminal The 25 sq mm Pure Copper Ring Lug Cable Terminal is a high-quality electrical cable lug designed for making secure and reliable cable connections in high-current electrical systems. Made from pure copper, this ring terminal provides excellent electrical conductivity and a strong mechanical connection. The ring-type terminal design allows the lug to be securely fastened to battery terminals, busbars, studs, bolts, and other electrical connection points. It is widely suitable for battery packs, inverters, UPS systems, solar power installations, automotive wiring, and industrial electrical applications. Available in natural copper or tinned finish depending on the variant, the terminal provides reliable performance for power distribution and high-current cable connections. ⭐ Key Features Made from pure copper Designed for 25 sq mm cable Ring lug terminal design Excellent electrical conductivity Strong and reliable mechanical connection Suitable for high-current applications Easy bolt and stud mounting Available in natural copper / tinned finish Suitable for battery and power wiring 📋 Technical Specifications Product Type: Copper Ring Cable Lug Material: Pure Copper Compatible Cable Size: 25 sq mm Terminal Type: Ring Lug Finish: Natural Copper / Tinned, depending on variant Connection Type: Bolt / Stud Mount Application: High-Current Electrical Connections 🔧 Applications Lithium Battery Packs Lead-Acid Batteries LiFePO₄ Battery Systems Inverter Connections UPS Systems Solar Power Systems Automotive Wiring Electrical Panels Power Distribution Industrial Wiring DIY Battery Projects 📦 Package Includes 1 × 25 sq mm Pure Copper Ring Lug Cable Terminal ⚠️ Note Select the correct lug size according to your cable cross-section and mounting stud diameter. Use an appropriate crimping tool to achieve a secure connection. Ensure the cable is properly crimped before connecting to a high-current circuit. Finish may be natural copper or tinned copper depending on the selected variant.
Mitsumi MAP-AM-265 Micro Air Pump Motor
[DC Air Pump] Overview of this MAP-AM-265 Micro Air Pump Motor Introducing the Mitsumi MAP-AM-265 Micro Air Pump Motor at the best price in India . This MAP-AM-265 Micro Air Pump Motor gives reliable and efficient airflow in a compact size. Its advanced design and confirms that this is smooth operation and consistent performance. It is use for both hobbyist projects and professional use, the Micro Air Pump Motor is versatile and dependable. The Micro Air Pump Motor MAP-AM-265 is engineered for precision and durability. It gives strong and stable air flow and making it suitable for diverse tasks. Whether you’re working on a DIY project or integrating it into a device and this air pump excels in performance. Its compact size allows for easy installation and space-saving solutions. With this air pump, you gain a robust tool that combines efficiency and reliability. The Air Pump Motor is crafted to meet high standards of quality. It’s perfect for applications requiring reliable air pumping in a small form factor. Trust this Micro Air Pump Motor to give exceptional results and enhance your projects Features Compact and efficient design: The micro air pump motor is compact and fitting into tight spaces. It gives efficient air pumping without taking up much room. High-performance operation: It gives reliable and consistent airflow for different applications. It is use for tasks requiring steady air movement. Low power consumption: It operates with minimal power, making it energy-efficient. Helps reduce overall energy costs while maintaining performance. Durable construction: High-quality materials make it durable and long-lasting, and its design allows it to withstand regular use in demanding conditions. Versatile application: It is suitable for a range of applications and including medical devices and small machinery. Adaptable for use in different settings requiring precise air pumping. Specification Specification Details Model MAP-AM-265 Type Micro Air Pump Motor Voltage 12V DC Current 0.3A Power Consumption 3.6 Watts Air Flow Rate 1.5 L/min Pressure 0.2 MPa Noise Level ≤45 dB Operating Temperature -10°C to 40°C Dimensions 44 x 28 x 23 mm Weight 60 grams Motor Type Brushless DC Motor Material Plastic and Metal Components Mounting Type Surface Mountable Lifespan 10,000 Hours Noise Reduction Integrated Noise Reduction Technology Connection Type Wire Leads Certification RoHS, CE Usage Suitable for Medical Devices, Aquariums, and Small Airflow Applications Package Includes: 1 x Mitsumi MAP-AM-265 Micro Air Pump Motor
A Grade 3.2V 15Ah 3C 48Wh 3000 Cycles Prismatic Lithium Ion Lipo4 33140 Battery
[LiFePO4 Battery Cell] 32140 15Ah Battery Specification Overview The 15Ah 32140 is a lithium iron phosphate (LiFePO4/LFP) battery in the 32140 cylindrical format (32mm diameter x 140mm height). It's designed for high-capacity, high-cycle-life applications, particularly in energy storage and electric vehicles. Here's a detailed breakdown: Key Specifications • Model: JSK-32140 (or similar variant) • Chemistry: LiFePO4 (LFP) • Nominal Capacity: 15Ah (15000mAh) • Nominal Voltage: 3.2V • Charge Voltage: 3.65V (max) • Discharge Cut-off: 2.5V • Max Continuous Discharge: 30A (2C) • Peak Discharge (pulse): 60A (4C, ≤3 sec) • Standard Charge Current: 7.5A (0.5C) • Fast Charge Possible: Up to 15A (1C) • Cycle Life: 2000+ cycles (to 80% capacity) • Dimensions: 32mm × 140mm • Weight: ~450g (varies by manufacturer) • Operating Temp: ◦ Charge: 0°C to 45°C ◦ Discharge: -20°C to 60°C Key Features ✅ High Capacity – 15Ah is substantial for a single cell, ideal for energy storage. ✅ Long Cycle Life – 2000+ cycles (far exceeding standard Li-ion/NMC batteries). ✅ Safety – LiFePO4 chemistry is non-flammable and stable under abuse. ✅ High Discharge Capability – 30A continuous (suitable for power tools, small EVs). Common Applications • Solar energy storage systems (home/grid storage) • Electric bikes/scooters (as part of a battery pack) • Power tools (replacing lead-acid or NMC packs) • Marine/RV power systems • Backup power stations Safety & Handling No protection circuit needed (LiFePO4 is inherently safer than NMC/Li-ion). Use a LiFePO4-compatible charger (3.65V max, not 4.2V Li-ion chargers). Avoid short-circuiting – Can still deliver dangerous current. Storage: Store at ~50% charge in a cool, dry place. WARNING: Do NOT expose the battery to water Do NOT expose the battery to fire & high temperature Do NOT short circuit, crush or disassemble Only use LiFePO4 charger Storage at 50% capacity, recharge every 3 months. The storage area should be clean, cool, dry and ventilated. Grade A 100% brand new
8mm White Color LED – Diamond Shape LED
[LEDs] A standard 8mm White Color Diamond Shape that can be used for indication or visualization purposes. It can be used on breadboard, dot board and PCB. You can also use LED mount to fix them onto casings or enclosures. The longer lead is the positive and the shorter lead is the negative. Specifications: Lighting Color: White Voltage: 3V Size/Dimension: 8mm Lens Type: Clear 8mm LED Applications: Used as indicators in products and designs Toys & Games Lighting Products Electronic projects Package Includes: 1 PC of 8mm White Color LED – Diamond Shape LED
Banana Plugs Terminal Connectors Male Red and Black Pair 4mm Good Quality
[Power Connector] 4mm Banana Plug Terminal Connectors – Male Red & Black Pair The 4mm Banana Plug Terminal Connectors are reliable and convenient connectors designed for audio equipment, industrial instruments, power testing, automotive testing, laboratory equipment, and DIY electronics projects. With a standard 4mm banana plug diameter, these connectors are compatible with most standard 4mm banana sockets and test equipment. The screw-type connector fitting allows wires to be securely connected without soldering, making installation quick, simple, and reusable. The stackable design also allows the plugs to be connected with existing 4mm banana plugs, providing greater flexibility for testing and power connections. The Red and Black color combination makes it easy to identify positive and negative connections, making these plugs suitable for power supplies, test leads, speakers, electronic instruments, and other electrical applications. ⭐ Key Features Standard 4mm banana plug diameter Red and Black male banana plug pair Screw-type wire connection No soldering required Easy installation and removal Secure and reliable electrical connection Stackable design Compatible with standard 4mm banana sockets Easy positive/negative identification Suitable for audio, testing, laboratory, and electronic applications 📋 Technical Specifications Product Type: Banana Plug Terminal Connector Connector Type: Male Banana Plug Diameter: 4mm Color: Red & Black Connection Method: Screw Terminal Soldering: Not Required Design: Stackable Current Rating: 10A Typical Voltage Rating: Typically up to 30–60V DC, depending on application Contact Type: Spring Contact Application: Audio, Power Testing & Electronics 🔧 Applications Audio Equipment Speaker Connections Power Supply Connections Laboratory Power Supplies Multimeter Test Leads Electronic Test Equipment Industrial Instruments Power Testing Automotive Testing DIY Electronics Projects Electrical Prototyping Battery Testing ⚠️ Precautions Do not exceed the connector's actual current and voltage limits. Ensure the wire is securely tightened inside the screw terminal. Always observe correct polarity when connecting DC power. Use appropriately rated wires for the desired current. Avoid short-circuiting the connector. 10A is a typical rating and should not be treated as a guaranteed manufacturer specification unless confirmed for the specific batch/model. 📦 Package Includes 1 × Red 4mm Male Banana Plug 1 × Black 4mm Male Banana Plug
Digital Multimeter Test Leads with Ultra Sharp Needle Probe & Banana Plug CAT III 1000V 10A
[Hook up wire] The Digital Multimeter Test Lead Kit is a high-quality replacement probe set designed for accurate electrical measurements and electronic troubleshooting. Featuring ultra-sharp stainless steel needle probes, these leads allow easy access to miniature IC pins, SMD components, PCB tracks, LEDs, and other small electronic devices without causing damage. The probes are fitted with standard 4mm banana plug connectors, making them compatible with most digital multimeters, clamp meters, bench meters, and testing equipment from brands such as Fluke, Extech, Mastech, Uni-T, Victor, Sanwa, and many more. Constructed using high-quality PVC insulated cables and durable metal probes, the leads provide excellent flexibility, low resistance, and long service life. The CAT III safety rating ensures safe operation up to 1000V with a maximum current rating of 10A, making them suitable for both electronics and electrical testing. The built-in protective finger guards improve operator safety, while the flexible cables remain tangle-free during continuous testing. These probes are ideal for laboratory work, electronics repair, field service, educational laboratories, industrial maintenance, and DIY electronics projects. 🔹 Key Features Ultra-sharp stainless steel needle probes Standard 4mm banana plug connectors CAT III 1000V safety rating Maximum current rating: 10A Flexible PVC insulated cables Accurate low-resistance measurements Comfortable insulated probe handles Durable construction for long service life Compatible with most digital multimeters Ideal for PCB, SMD, IC and electrical testing 🔹 Technical Specifications Product Type: Digital Multimeter Test Leads Probe Type: Ultra Sharp Needle Probe Probe Colors: Red & Black Connector Type: 4mm Banana Plug Cable Material: PVC Insulated Probe Material: Stainless Steel / Metal Cable Length: Approx. 83cm Total Length: Approx. 103cm Maximum Current: 10A Maximum Voltage: 1000V Safety Rating: CAT III 1000V Measurement Type: Voltage, Current, Resistance, Continuity Compatibility: Most Digital Multimeters 🔹 Compatible With Fluke Multimeters Extech Multimeters Mastech Multimeters UNI-T Multimeters Victor Multimeters Sanwa Multimeters DT830 Series DT9205 Series Most multimeters with 4mm banana sockets 🔹 Applications Suitable for: Digital multimeters PCB testing SMD component testing IC pin testing LED testing Continuity testing Voltage measurement Current measurement Electronics repair Laboratory testing Industrial maintenance DIY electronics projects 🔹 Package Includes 1 × Red Multimeter Test Lead 1 × Black Multimeter Test Lead
Out of stockZB2L3 18650 Li-ion Lithium Lead-acid Battery Capacity Meter Discharge Tester Analyzer
[Battery Capacity Tester] Description: Material: Electrical components Color: See pictures ZB2L3 battery capacity tester discharge type 1.2-12V external load capacity of the battery and other tests 18650 Tools, single-function, by controlling the load off and get real-time integrated discharge current capacity results Maximum support 15V 3A discharged through the discharge voltage and current, itself does not discharge Maximum capacity statistics support 9999Ah (9999000mAh) Automatically identifying and developing appropriate battery termination voltage can also be manually adjusted Specifications: Power supply voltage: DC4.5-6V (micro USB connector) Operating Current: less than 70mA Discharge voltage: 1.00V-15.00V 0.01V resolution Termination voltage range: 0.5-11.0V Supported by current: 3.000A 0.001A resolution Maximum voltage measurement error: 1% + 0.02V Maximum current measurement error: 1.5% + – 0.008A Maximum battery capacity range: 9999Ah (1Ah = 1000mAh) greater value by shifting the decimal point to switch, when the display is less than 10Ah X.XXX, as shown above to achieve 10Ah XX.XX, and so on. Board size: 50mmX37mm Finished Size: 50mmX37mmX17mm (length X width X height maximum position size, contains copper foot height) Instructions: 1. The first test should be a fully charged battery. 2. Connect the battery to be tested positive to positive input, a negative input to the negative, can not be reversed (with load reversal may damage the circuit)! Load connected to the output of the positive and negative output, to work through the tester micro USB power supply (not available desktop or laptop USB powered), then the battery voltage. 3. Direct start test need only one press of the “OK” button, the tester can automatically develop an appropriate termination voltage of the battery full charge voltage, and will start flashing after the test three times. Need to develop artificial termination voltage only when the battery voltage display state by pressing “+” or “-” buttons to modify the termination voltage display beginning with P, behind the representative voltage resolution 0.1V, set up after pressing the “OK “start testing. 4. After the start of the test the tester will control the load of the electronic switch is turned on, the test data shows that the process will release capacity (Ah), current discharge current (A) and battery voltage (V) between the wheel was. When the battery voltage reaches the set cut-off voltage, load control switches off the tester display data stays in capacity (Ah) and above and the corresponding indicator flashes quickly together, now displays the actual capacity of the battery is discharging capacity, about the press “OK” to terminate flashing allows stable data display, press again “OK” button to return to the power-on state can just replace the battery test the next section …… Error codes and their meanings: Err1: battery voltage is above 15V Err2: battery voltage is lower than the termination voltage Err3: Battery can not afford to load or discharge current line too much resistance Err4: overcurrent (current exceeds 3.1A) Err5:Improper use or incorrect wiring has caused the device to be burned out and cannot be used (current sampling or control switch MOS burned out). Note: Use the resistance of the discharge process, resistive load will seriously heat, please pay attention to safety! This circuit voltage in order to improve the measurement accuracy, specially designed DC bias, when the terminal displays nothing then a small voltage does not affect the actual measurement, if you are shorting the input terminals (absolute 0V) will show 0 No retail package Quantity:1Pc Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!! Package Content: 1Pc x battery capacity tester 2Pc x Load resistor Power Battery Capacity Tester LED Display Micro USB Li-ion Lithium 18650 External Load Battery Discharge Testing Analyzer
Out of stock6S 18650 Li-Po Lithium Battery Capacity Indicator Module
[Li-Ion Capacity Indicator] This battery type capacity indicator module display shows the display is more intuitive and more beautiful. A wider range of applications, nickel-metal hydride batteries, 18650 and polymer lithium battery packs, lead-acid storage, electric vehicle batteries, electric equipment can be used. This display has a reverse connection function, even if the positive and negative connection will not burn. To use the display just connect the positive and negative terminals of the display board to the positive and negative terminals of the battery under test. The digital tube will display the real-time battery power. Features :- Battery type of electricity quantity display. Wide application fields: lithium battery. Using Method: connect display board positive and negative port with tested battery positive. and negative port, the digital tube will display real-time battery electricity quantity. Digital Color: outline red, display block blue (when the battery electricity quantity is full, it will be all on). Specs: Input Supply Voltage: 19.8 ~ 25.2VDC Colour Display Reverse Connection Protection Wide Variety of applications Length: 41 mm Width: 20 mm Approx Weight: 5 gm Application: Battery pack Consumer electronics product 22.2V voltage rating Power supply Power bank and charger Package Includes :- 1 X 6S 18650 Li-Po Lithium Battery Capacity Indicator Module * Product Images are shown for illustrative purposes only and may differ from actual product.
Out of stock7S 18650 Li-Po Lithium Battery Capacity Indicator Module
[Li-Ion Capacity Indicator] This battery type capacity indicator module display shows the display is more intuitive and more beautiful. A wider range of applications, nickel-metal hydride batteries, 18650 and polymer lithium battery packs, lead-acid storage, electric vehicle batteries, electric equipment can be used. This display has a reverse connection function, even if the positive and negative connection will not burn. To use the display just connect the positive and negative terminals of the display board to the positive and negative terminals of the battery under test. The digital tube will display the real-time battery power. Features :- Battery type of electricity quantity display. Wide application fields: lithium battery. Using Method: connect display board positive and negative port with tested battery positive. and negative port, the digital tube will display real-time battery electricity quantity. Digital Color: outline red, display block blue (when the battery electricity quantity is full, it will be all on). Specs: Input Supply Voltage: 23.1 ~ 29.4VDC Colour Display Reverse Connection Protection Wide Variety of applications Length: 41 mm Width: 20 mm Approx Weight: 5 gm Application: Battery pack Consumer electronics product 25.9V voltage rating Power supply Power bank and charger Package Includes :- 1 X 7S 18650 Li-Po Lithium Battery Capacity Indicator Module * Product Images are shown for illustrative purposes only and may differ from actual product.
Out of stock2S 18650 Li-Po Lithium Battery Capacity Indicator Module
[Li-Ion Capacity Indicator] This battery type capacity indicator module display shows the display is more intuitive and more beautiful. A wider range of applications, nickel-metal hydride batteries, 18650 and polymer lithium battery packs, lead-acid storage, electric vehicle batteries, electric equipment can be used. This display has a reverse connection function, even if the positive and negative connection will not burn. To use the display just connect the positive and negative terminals of the display board to the positive and negative terminals of the battery under test. The digital tube will display the real-time battery power. Features :- Battery type of electricity quantity display. Wide application fields: lithium battery. Using Method: connect display board positive and negative port with tested battery positive. and negative port, the digital tube will display real-time battery electricity quantity. Digital Color: outline red, display block blue (when the battery electricity quantity is full, it will be all on). Specs: Input Supply Voltage: 6.6 ~ 8.4VDC Colour Display Reverse Connection Protection Wide Variety of applications Length: 41 mm Width: 20 mm Approx Weight: 5 gm Application: Battery pack Consumer electronics product 7.4V voltage rating Power supply Power bank and charger Package Includes :- 1 X 2S 18650 Li-Po Lithium Battery Capacity Indicator Module * Product Images are shown for illustrative purposes only and may differ from actual product.
Out of stock2.1 x 5.5 mm Male and Female DC Power Pigtail Connectors with 22CM wire
[Power Connector] DC Jack Male and Female Power Connector With Wire 5.5×2.1mm DC Jack, also known as a power jack, DC power jack, male jack, male plug, etc, is used to give external DC power to any device or board. It has a cylindrical miniature size. It is a perfect option to give direct external power to the board or any device. This product is known as CCTV Devices DC 5.5×2.1mm Male and female 2-Wire Lead Jack Power Cable Connector, 2.1mm Male and Female to 30cm Cable, 5.5X2.1mm 12V DC Power Plug Male and Female Jack Plug Cable, 5.5mm x 2.1mm DC Jack Connectors Power Extension Cable. Features/Specs: Material: PVC CCTV Camera power connection line Connector Type: 5.5mm X 2.1mm DC power jack: Male and Female To Pigtail Supports maximum current: 5A Voltage Rating: 3.3V to 24V Great for short-distance connection Simple & Professional appearance for cabling Easier for installation save time and money Easy to use Cable Length: 22cm(male and female each) Color: Black & Red Weight: 15gm Package Includes: 1 x 2.1 x 5.5 mm Male and Female DC Power Pigtail Connectors Note: Product Images are shown for illustrative purposes only and may differ from the actual product.
Out of stock1S 18650 Li-Po Lithium Battery Capacity Indicator Module
[Li-Ion Capacity Indicator] This battery type capacity indicator module display shows the display is more intuitive and more beautiful. A wider range of applications, nickel-metal hydride batteries, 18650 and polymer lithium battery packs, lead-acid storage, electric vehicle batteries, electric equipment can be used. This display has a reverse connection function, even if the positive and negative connection will not burn. To use the display just connect the positive and negative terminals of the display board to the positive and negative terminals of the battery under test. The digital tube will display the real-time battery power. Features :- Battery type of electricity quantity display. Wide application fields: lithium battery. Using Method: connect display board positive and negative port with tested battery positive. and negative port, the digital tube will display real-time battery electricity quantity. Digital Color: outline red, display block blue (when the battery electricity quantity is full, it will be all on). Specs: Input Supply Voltage: 3.3 ~ 4.2VDC Colour Display Reverse Connection Protection Wide Variety of applications Length: 41 mm Width: 20 mm Approx Weight: 5 gm Application: Battery pack Consumer electronics product 3.7V voltage rating Power supply Power bank and charger Package Includes :- 1 X 1S 18650 Li-Po Lithium Battery Capacity Indicator Module * Product Images are shown for illustrative purposes only and may differ from actual product.
RC3563 Battery Internal Resistance Tester – Handheld Battery Analyzer
[Battery Capacity Tester] RC3563 Battery Internal Resistance Tester – High Precision Battery Resistance & Voltage Meter The RC3563 Battery Internal Resistance Tester is a professional handheld measuring instrument designed for accurate testing of battery internal resistance, battery voltage, and low-value resistance. Using the Kelvin 4-wire measurement method, it minimizes errors caused by lead and contact resistance, providing stable and precise readings. Featuring an LCD display, USB rechargeable operation, and a compact portable design, the RC3563 is suitable for testing Li-ion, LiFePO₄, NiMH, NiCd, Lead-Acid batteries, capacitors, resistors, and other low-resistance components. It is ideal for battery maintenance, EV battery inspection, manufacturing, laboratories, electronics repair, and DIY applications. ⭐ Key Features Simultaneous measurement of internal resistance and voltage High-precision Kelvin 4-wire testing technology Low-resistance measurement capability Clear LCD digital display Portable handheld design 5V USB rechargeable operation Stable and accurate measurement algorithm Suitable for lithium, nickel, and lead-acid batteries Suitable for capacitor and resistor low-resistance testing Ideal for laboratory, industrial, repair, and DIY applications 📋 Technical Specifications Product Type: Battery Internal Resistance Tester Model: RC3563 Measurement Type: Internal Resistance & Voltage Test Method: Kelvin 4-Wire Display: LCD Screen Charging Input: 5V DC Power Supply: Built-in Rechargeable Battery Supported Batteries: Lithium, LiFePO₄, Nickel, Lead-Acid Additional Function: Low Resistance Measurement Design: Handheld Portable Device 🔧 Applications 18650 Battery Testing 21700 Battery Testing Lithium Battery Testing LiFePO₄ Battery Testing Battery Pack Testing EV Battery Inspection UPS & Inverter Battery Testing Lead-Acid Battery Diagnostics Battery Manufacturing & Quality Control Electronics Repair & Servicing Laboratory Testing Capacitor Testing Low Resistance Measurement ⚠️ Precautions Ensure correct polarity when connecting the test probes. Do not short-circuit the test leads. Use only a 5V charging input. Handle the test clips carefully for accurate measurements. Keep the tester away from water and excessive humidity. Avoid extreme temperatures. 📦 Package Includes 1 × RC3563 Battery Internal Resistance Tester 1 × Kelvin 4-Wire Test Lead Set 1 × USB Charging Cable 1 × User Manual