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Electronics, sensors, robotics kits, PC components, peripherals — everything Unik Systems carries, in one place.
26650 Battery Holder / Battery Spacer 2×1 – 26.3mm Bore Diameter
[Lithium Battery Holder] 26650 Battery Holder / Battery Spacer 2×1 – 26.3mm Bore Diameter The 26650 Battery Holder / Battery Spacer 2×1 is a cylindrical battery spacer designed to securely arrange 26650 lithium-ion battery cells while building multi-cell battery packs. Made from flame-retardant ABS+PC material, it provides a strong and stable structure while allowing air circulation around the cells. The holder features interlocking slots on the edges, allowing multiple spacers to be joined together to create different battery-pack sizes and configurations. After welding nickel strips, the assembled battery pack can achieve a solid and reliable structure without requiring additional connecting hardware. ⭐ Key Features Designed for 26650 cylindrical lithium-ion cells 2 × 1 configuration 26.3mm bore diameter Made from flame-retardant ABS+PC material High-temperature resistant construction Crack-resistant design Interlocking slots for connecting multiple spacers Allows flexible battery-pack configurations Provides mechanical support for battery cells Helps maintain proper spacing between cells Suitable for high-current battery-pack construction Helps improve battery-pack stability and reliability Allows airflow around the cells for heat dissipation 📋 Technical Specifications Product Type: Battery Holder / Battery Spacer Compatible Cell: 26650 cylindrical battery Configuration: 2 × 1 Number of Cells: 2 Bore Diameter: 26.3mm Material: Flame-retardant ABS+PC Construction: Interlocking modular design Mounting: Multiple spacers can be joined together Application: Lithium battery pack assembly Cell Type: Cylindrical Li-ion cells 🔧 Applications 26650 lithium-ion battery packs E-bike battery packs Electric scooter battery packs Electric vehicle battery packs Power-tool battery packs DIY high-current battery packs UPS battery systems Solar energy storage packs Portable power stations Robotics battery packs Custom lithium battery assemblies 🛠️ How to Use The spacer is designed to hold two 26650 cells in a 2×1 arrangement. Multiple spacers can be connected through the slots provided around the edges to create larger battery-pack configurations. For a complete battery pack: Cell → Spacer → Nickel Strip Welding → Additional Spacers → Battery Pack For mechanical support, spacers can be positioned at the top and bottom of the cells. Important: For each individual battery cell, 2 spacers are recommended—one at the top and one at the bottom. 💡 Advantages Simple Assembly: Easy to arrange cylindrical cells. Flexible Design: Multiple spacers can be interconnected to create different pack shapes. Strong Construction: Helps keep cells firmly positioned. Heat Dissipation: Provides spacing between cells and allows airflow. Reliable Battery Pack: Helps make the completed pack mechanically stable. Suitable for Complex Packs: Useful for custom battery configurations, including e-bike and high-current applications. ⚠️ Important Notes This product is only a battery holder/spacer; batteries are not included. The 26.3mm bore is intended for compatible 26650 cells. Check your actual cell diameter before purchase. Do not force oversized cells into the holder. Battery cells should be properly insulated and securely assembled. Use suitable nickel strip and an appropriate spot-welding method. Use a suitable BMS/protection system for the completed lithium battery pack. Battery cells should be properly matched before assembling a multi-cell pack. 2 spacers are recommended per individual cell, one on each end. Keep the battery assembly away from excessive heat, moisture and physical damage. 📦 Package Includes 1 × 26650 Battery Holder / Battery Spacer – 2×1, 26.3mm Bore Diameter Note: Battery cells, nickel strips and BMS are not included.
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.
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
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
High Quality Ultra Flexible 18AWG Silicone Wire 1m (Red) + 1m (Black)
[Silicon Wire] The High-Quality 18AWG Silicone Wire 1m (Red) + 1m (Black) pair has a pretty big diameter as compared to the normal 18AWG wire used in RC projects for serving its specific purpose. This wire has low resistance and high current carrying capacity. These are also used in LiPO batteries to deliver power to ESC’s. Ideal for your RC project. It is super flexible and soft with a high strand count which means it is great for use in restrictive and compact areas. The wire is the first priority tool for carrying current from one circuit to other while their current carrying capacity is dependent upon the size of the wire. So the High Quality 18AWG Silicone Wire 1m (Red) + 1m (Black) both has the considerable diameter to suit your application. Please find out our more cable and wires. Click here Wires with the wide variety of silicon wire gauges and colors to suit your applications are available The 18AWG High Temperature Silicone Wire is a premium-quality flexible electrical cable designed for low to medium current applications requiring excellent flexibility and high-temperature resistance. Manufactured using high-purity tinned copper conductors with soft silicone rubber insulation, this wire provides outstanding electrical conductivity, corrosion resistance, and long service life. Rated for 600V and capable of operating continuously at temperatures up to 200°C, this silicone wire is suitable for battery packs, RC models, drones, LED lighting, robotics, power supplies, automotive wiring, solar systems, and DIY electronic projects. The tinned copper conductor ensures efficient current transfer with minimal voltage drop while resisting oxidation and corrosion. Its ultra-flexible silicone insulation allows easy routing through tight spaces and provides excellent durability in demanding environments. This package includes 1 meter of Red wire and 1 meter of Black wire, making it ideal for positive and negative wiring in electronic and electrical applications. ⭐ Features Premium 18AWG silicone insulated wire High-purity tinned copper conductor Ultra-flexible silicone insulation Rated for 600V operation Heat resistant up to 200°C Excellent electrical conductivity Corrosion-resistant tinned copper strands Easy to strip, solder, and terminate Soft, durable, and wear-resistant insulation Suitable for indoor and outdoor applications 📋 Technical Specifications Product Type: High Temperature Silicone Wire Wire Gauge: 18 AWG Conductor Material: Tinned Copper Insulation Material: High Temperature Silicone Rubber Rated Voltage: 600V Rated Temperature: 200°C Rated Current: 8A (Typical) Wire Type: Flexible Multi-Strand Marking: 18AWG 600V 200°C Wire Color: Red & Black Length: 1 Meter Red + 1 Meter Black (Total 2 Meters) 🔧 Applications Suitable for: Lithium Battery Packs RC Cars & RC Boats FPV Drones Model Aircraft Solar Power Systems LED Lighting Power Supplies Robotics Projects Arduino Projects ESP32 Projects Raspberry Pi Projects Automotive Wiring Electric Scooters & E-Bikes DIY Electronics Laboratory Equipment Industrial Control Panels 📦 Package Includes 1 × 18AWG High Temperature Silicone Wire – Red (1 Meter) 1 × 18AWG High Temperature Silicone Wire – Black (1 Meter)
Crocodile Alligator Clip 50 mm Black and Red
Description: An alligator clip, also called a spring clip, creates a temporary electrical connection using a simple mechanical design.It gets its name because the jaws resemble an alligator or crocodile’s mouth, opening and closing to grip objects securely.The clip works like a spring-loaded clothespin that uses tapered, serrated jaws to hold wires or metal parts tightly.A spring pushes the jaws together, allowing the clip to grip objects and maintain a reliable electrical connection.Manufacturers design these clips for electronics testing, enabling quick connections without soldering or permanent joints.One jaw usually connects to a wire by crimping or soldering for efficient current transfer.Some clips use a bent jaw forming the inner contact of a 15 mm to 4 mm female banana jack.This design allows a fast, non-permanent connection between test circuits and laboratory instruments.A plastic cover or boot surrounds the clip to prevent short circuits and protect users from accidental shocks.Engineers and students use these clips widely in testing, prototyping, and educational experiments. Applications: Technicians use small clips (15 mm–40 mm) in electrical laboratories, schools, and college labs for quick test connections.Large clips, called automotive clips or battery clamps, use solid copper for low resistance and strong current flow.Users connect these large clips with thick insulated copper cables between automobile batteries or heavy electrical systems.Hobbyists and professionals rely on these clips for safe, reusable, and efficient electrical connections. Product Example: Check the Crocodile Alligator Clip 50 mm – Red and Black, made from durable stainless steel with a protective plastic shroud.Its spring-loaded jaws open wide to grip different wire sizes securely during testing or circuit connection.The serrated teeth ensure a strong, slip-free grip that maintains stable electrical contact during operation. Package Includes: 1 × Crocodile Alligator Clip 50 mm (Black and Red)
4S 20A 18650 Lithium Battery Protection Board
[Lithium Battery Protection Board] The HXYP-4S-BM20 4S 20A Lithium Battery Protection Board (BMS) is a compact and reliable battery management system designed specifically for 3.7V lithium-ion 18650 rechargeable cells. This board provides complete protection and safe operation for building 4-cell (4S) battery packs with a nominal output voltage of up to 14.8V and a full charge voltage of 16.8V. Featuring a square, lightweight, and portable design, this protection board is easy to integrate into custom battery packs and compact enclosures. It allows you to connect four 18650 lithium cells simultaneously and ensures balanced and safe charging and discharging. The board includes multiple built-in safety protections such as over-charge protection, over-discharge protection, over-current protection, and short-circuit protection, helping to extend battery life and prevent damage or hazardous conditions. This module is ideal for use in DIY battery packs, power tools, solar storage systems, electric scooters, backup power supplies, robotics, and other lithium battery applications. ⭐ Key Features ✔ Designed for 4S (4-cell) 18650 lithium-ion battery packs ✔ Supports continuous current up to 15A ✔ Built-in protection for over-charge, over-discharge, over-current & short circuit ✔ Compact square PCB design – easy to install ✔ Low power consumption with ultra-low quiescent current ✔ Increases battery safety, reliability, and lifespan 🔧 Technical Specifications Model: HXYP-4S-BM20 Battery Type: 3.7V Li-ion (18650 rechargeable cells) Configuration: 4S (4 cells in series) Charging Voltage: 16.8V Maximum Continuous Current: 15A Maximum Peak Current: 20A Over-Charge Voltage: 4.25 ± 0.05V per cell Over-Discharge Voltage: 2.5 ± 0.05V per cell Quiescent Current: < 30 µA Board Size: 3.6 × 3.6 cm Country of Origin: China 🎯 Applications DIY lithium battery packs Power tools & backup batteries Solar energy storage systems Electric scooters & e-bikes Robotics & embedded systems UPS & portable power stations 🔹 Battery Connection Terminals on Board Usually marked as: B- → Battery Pack Negative (Cell 1 –) B1 → Connection between Cell 1 & Cell 2 B2 → Connection between Cell 2 & Cell 3 B3 → Connection between Cell 3 & Cell 4 B+ → Battery Pack Positive (Cell 4 +) 🔹 Output / Charge Terminals P- → Load / Charger Negative P+ → Load / Charger Positive (same as B+) 🔧 Step-by-Step Wiring Connect 4 cells in series: Cell order:Cell1 → Cell2 → Cell3 → Cell4 Then wire as: Cell1 negative → B- Cell1 positive / Cell2 negative → B1 Cell2 positive / Cell3 negative → B2 Cell3 positive / Cell4 negative → B3 Cell4 positive → B+ For charging & discharging: Charger / Load positive → P+ (or B+) Charger / Load negative → P- ⚠️ Safety Tips Always connect balance wires before main power wires Use proper insulated wires and nickel strips Do not short any terminals Use a 16.8V Li-ion charger for 4S packs Ensure BMS current rating matches your load 📦 Package Includes 1 × -4S-BM20 4S 20A Lithium Battery Protection Board (BMS) * Product Images are shown for illustrative purposes only and may differ from actual product.
Multi Strand Flexible Hookup Wire 7/36 PVC Insulated Electric Wire 1 Meter Each Red And Black Color
[Hook up wire] About this item Model Building Tools for all kinds of DIY electrical and hobby projects and Working Models, DIY Science Experiment Kit. High temperature resistance, low temperature resistance, anti-acid and alkali, fire, aging resistance, the inoxidizability, resistance of humidity, the fine electric insulation, flexible performance. Wire Type /Strand :Multi Strand Conductors :7 Wire Gauge (AWG) :36 Color :BLACK & RED Voltage :600V Length : 1meter Each Color Insulation Type :PVC Material :Copper/ Aluminum Package Includes : 1 x Multi Strand Flexible Hookup Wire 7/36 PVC Insulated Electric Wire 1 Meter Each Red And Black Color
High Quality Ultra Flexible 16AWG Silicone Wire 1m (Red) + 1m (Black)
[Silicon Wire] The High-Quality 16AWG Silicone Wire 1m (Red) + 1m (Black) pair has a pretty big diameter as compared to the normal 20AWG wire used in RC projects for serving its specific purpose. This wire has low resistance and high current carrying capacity. These are also used in LiPO batteries to deliver power to ESC’s. Ideal for your RC project. It is super flexible and soft with a high strand count which means it is great for use in restrictive and compact areas. The wire is the first priority tool for carrying current from one circuit to other while their current carrying capacity is dependent upon the size of the wire. So the High Quality 16AWG Silicone Wire 1m (Red) + 1m (Black) both has the considerable diameter to suit your application. Please find out our more cable and wires. Click here Wires with the wide variety of silicon wire gauges and colors to suit your applications are available The 16AWG High Temperature Silicone Wire is a premium-quality flexible electrical cable designed for high-current and high-temperature applications. Manufactured using high-purity tinned copper conductors with soft silicone rubber insulation, this wire offers excellent flexibility, superior electrical conductivity, and outstanding resistance to heat, moisture, chemicals, and aging. Rated for 600V and capable of operating at temperatures up to 200°C, this silicone wire is ideal for battery packs, RC models, drones, solar power systems, automotive wiring, LED lighting, power supplies, robotics, and various industrial and DIY electronic projects. The tinned copper conductor provides low resistance and excellent corrosion protection, ensuring efficient power transmission and long service life. Its ultra-flexible silicone insulation allows easy routing and installation, even in confined spaces or moving applications. This package includes 1 meter of Red wire and 1 meter of Black wire, making it perfect for positive and negative wiring in electronic and electrical projects. ⭐ Features Premium 16AWG silicone insulated wire High-purity tinned copper conductor Ultra-flexible silicone insulation Rated for 600V operation Heat resistant up to 200°C High current carrying capacity Excellent corrosion resistance Easy to strip, solder, and terminate Soft and durable construction Suitable for indoor and outdoor applications 📋 Technical Specifications Product Type: High Temperature Silicone Wire Wire Gauge: 16 AWG Conductor Material: Tinned Copper Insulation Material: High Temperature Silicone Rubber Rated Voltage: 600V Rated Temperature: 200°C Rated Current: 12.5A Wire Type: Flexible Multi-Strand Marking: 16AWG 600V 200°C Wire Color: Red & Black Length: 1 Meter Red + 1 Meter Black (Total 2 Meters) 🔧 Applications Suitable for: Lithium Battery Packs RC Cars & RC Boats FPV Drones Model Aircraft Solar Power Systems LED Lighting Power Supplies Robotics Projects Arduino Projects ESP32 Projects Raspberry Pi Projects Automotive Wiring Electric Bicycles & Scooters DIY Electronics Laboratory Equipment Industrial Control Panels 📦 Package Includes 1 × 16AWG High Temperature Silicone Wire – Red (1 Meter) 1 × 16AWG High Temperature Silicone Wire – Black (1 Meter)
Metal Alligator Prong Clips Electrical Clamp 50 mm
[Power Connector] The 50mm Metal Alligator Clip (Crocodile Clip) Set is a durable electrical test accessory designed for temporary electrical connections in testing, measurement, and prototyping applications. Manufactured from high-quality conductive metal with insulated protective sleeves, these clips provide excellent electrical conductivity and secure clamping performance. The spring-loaded wide-opening jaws firmly grip wires, terminals, battery posts, PCB test points, and other electrical contacts, making them ideal for use with multimeters, power supplies, battery chargers, laboratory equipment, and DIY electronic projects. The insulated red and black protective covers help identify positive and negative connections while providing additional safety during operation. Their compact size and lightweight design make them suitable for hobbyists, technicians, students, and professionals. 🔹 Key Features High-quality metal alligator clips Strong spring-loaded jaws Wide opening for secure grip Insulated protective covers Excellent electrical conductivity Durable corrosion-resistant construction Easy wire attachment by soldering or crimping Lightweight and compact Suitable for low-voltage electrical testing Reusable and long service life 🔹 Technical Specifications Product Type: Alligator Clip / Crocodile Clip Material: Nickel-Plated Steel Insulation Material: PVC Clip Length: 50mm Available Sizes: 40mm (Short) / 50mm (Long) Jaw Type: Spring Loaded Color: Red & Black Weight: Approx. 8g (Pair) Connection Type: Crimp / Solder Application: Electrical Testing & Temporary Connections 🔹 Applications Suitable for: Digital multimeters Power supplies Battery testing Arduino projects Raspberry Pi projects Electronics prototyping Laboratory experiments School science projects DIY electronics Automotive electrical testing PCB testing Temporary electrical connections 🔹 Package Includes 1 × Red 50mm Alligator Clip 1 × Black 50mm Alligator Clip
34mm Metal Alligator Insulated Crocodile Clip Black and Red Pair
DC Crocodile Alligator Electrical Clip Black and Red Pair – 30 mm Product: Alligator clip or crocodile clip Length: 30mm / 34mm with sleeves Colour: red and black Weight: 4g Wide-open jaws Package contains: 2 x crocodile clip ( 1 x red and 1 x black)
130mm PVC Heat Shrink Sleeve Blue for Lithium Cell Battery Pack (In Meters)
[Sleeves] 130mm Blue PVC Heat Shrinkable Lay Flat Tube for Battery Pack The 130mm Blue PVC Heat Shrinkable Lay Flat Tube is designed for safely covering and insulating DIY battery packs, lithium-ion battery packs, LiFePO₄ battery packs, and other electronic assemblies. Heat shrink tubing provides an additional protective layer around the battery pack, helping prevent accidental short circuits, abrasion, dust, and moisture exposure while giving the finished battery pack a clean and professional appearance. The lay-flat construction makes the sleeve easy to cut and position around battery packs of different shapes and sizes. When heated using a suitable heat gun, the PVC material contracts around the battery pack to provide a snug and secure covering. For improved durability, multiple layers can be used on battery packs with sharp corners or edges. A thin foam layer may also be placed around the battery pack before shrinking to help reduce stress and cracking over time. ⭐ Key Features 130mm lay-flat PVC heat shrink sleeve Blue color Designed for battery pack covering and insulation Helps protect against accidental short circuits Provides a clean and professional battery pack finish Flexible and easy to cut Heat-shrinkable PVC construction Suitable for single or multiple-layer applications Ideal for DIY battery pack assembly 📋 Technical Specifications Product Type: PVC Heat Shrinkable Lay Flat Tube Width: 130mm Color: Blue Material: Poly Vinyl Chloride (PVC) Shrinkage: Approx. 9%–21%, depending on size Tensile Strength: ≥4000 Pa/m² Form: Lay Flat Tube / Sleeve Application: Battery Pack Covering & Insulation 🔧 Applications 18650 Battery Packs 21700 Battery Packs Lithium-Ion Battery Packs LiFePO₄ Battery Packs DIY Battery Packs Electric Bicycle Batteries Electric Scooter Batteries Power Bank Assembly Portable Power Stations Battery Module Insulation Electronic Assembly Protection ⚠️ Usage Precautions Use a suitable heat gun for shrinking. Apply heat evenly around the sleeve to avoid overheating. Do not apply excessive heat directly to lithium battery cells. Ensure the battery pack is properly insulated before shrinking. Measure the battery pack before selecting the sleeve size. 📦 Package Includes 1 × 130mm Blue PVC Heat Shrinkable Lay Flat Tube for Battery Pack
Combo of 6 Color Multi Strand Flexible Hookup Wire 7/42 PVC Insulated Electric Wire 1 Meter Each
[Hook up wire] Colour Multicolor Material Copper/Aluminium Number of Cable Strands Multi Strand About this item Model Building Tools for all kinds of DIY electrical and hobby projects and Working Models, DIY Science Experiment Kit. High temperature resistance, low temperature resistance, anti-acid and alkali, fire, aging resistance, the inoxidizability, resistance of humidity, the fine electric insulation, flexible performance. Total 5 Pieces Wire and 5 Different Color.
470K Ohm Carbon Film Resistor
[Through Hole Resistor] We have 470k Ohm Carbon Film Resistor for through-hole applications. These WMF series Metal Film Resistors are manufactured using the latest Magnetron Vacuum Sputtering System and are insulated with layers of lacquer ensuring a very stable resistive medium having a very low-temperature coefficient. Resistance: 470k Ohm Max. Working Voltage: 350 V Tolerance: 5% Temperature Coefficient of Resistance: 50 PPM/°C Operating Temperature Range: -40ºC to 125ºC
5.6K Ohm Carbon Film Resistor
[Through Hole Resistor] We have 5.6k Ohm Carbon Film Resistor for through-hole applications. These WMF series Carbon Film Resistors are manufactured using the latest Magnetron Vacuum Sputtering System and are insulated with layers of lacquer ensuring a very stable resistive medium having a very low-temperature coefficient. Resistance: 5.6k Ohm Max. Working Voltage: 350 V Tolerance: 5% Temperature Coefficient of Resistance: 50 PPM/°C Operating Temperature Range: -40ºC to 125ºC
47K Ohm Carbon Film Resistor
[Through Hole Resistor] We have 47k Ohm Carbon Film Resistor for through-hole applications. These WMF series Carbon Film Resistors are manufactured using the latest Magnetron Vacuum Sputtering System and are insulated with layers of lacquer ensuring a very stable resistive medium having a very low-temperature coefficient. Resistance: 47k Ohm Max. Working Voltage: 350 V Tolerance: 5% Temperature Coefficient of Resistance: 50 PPM/°C Operating Temperature Range: -40ºC to 125ºC
4.7K Ohm Carbon Film Resistor
[Through Hole Resistor] We have 4.7k Ohm Carbon Film Resistor for through-hole applications. These WMF series Carbon Film Resistors are manufactured using the latest Magnetron Vacuum Sputtering System and are insulated with layers of lacquer ensuring a very stable resistive medium having a very low-temperature coefficient. Resistance: 4.7k Ohm Max. Working Voltage: 350 V Tolerance: 5% Temperature Coefficient of Resistance: 50 PPM/°C Operating Temperature Range: -40ºC to 125ºC
Out of stock10 pcs of Double-ended Crocodile/Alligator Clips Roach Clips Electrical DIY Test Leads
[Uncategorized] This is Double-ended Crocodile/Alligator Clips Roach Clips Electrical DIY Test Leads. It is an insulation-covered clip connected to the wire from both ends. Alligator clips can also be used as miniature clamps to hold parts together. In addition, it is also useful for gluing and wires together for soldering. It is useful in electrical or laboratory electric testing work. Alligator clips are frequently used in school physics laboratories to quickly and cheaply assemble circuits. They are very useful for connecting components to wires. Easy for installation and safety for use with the insulation colored soft plastic insulation cover. FEATURES : Type: double-ended crocodile/alligator clips. Easy for installation Colour: red, green, yellow, white and black, etc. Color-coded insulated leads allow you to test circuits without crossing wires or causing shorts with each other. safety for use with the color-coded insulation plastic cover on clips. PACKAGE INCLUDES : 10 x Double-ended Crocodile/Alligator Clip Wires.
DC Power Connector Male 5.5mm × 2.1mm Barrel Plug
[Power Connector] DC Power Connector Male 5.5mm × 2.1mm Barrel Plug 5.5×2.1mm DC Barrel Plug • Male Power Connector • Solder Type • Black Housing • DIY & Power Supply Applications The DC Power Connector Male 5.5mm × 2.1mm Barrel Plug is a reliable and easy-to-use connector designed for DC power supply, CCTV systems, LED lighting, routers, adapters, Arduino projects, and DIY electronics applications. Compatible with standard 5.5mm outer diameter and 2.1mm inner diameter DC barrel jacks, this connector provides a secure and stable power connection for low-voltage DC devices. The connector features a solder-type terminal design, allowing wires to be permanently connected for a durable electrical connection. The outer shell unscrews easily to expose the solder terminals and built-in strain relief, helping prevent cable damage and improving long-term reliability. Made from high-quality plastic and metal materials, this DC barrel plug is suitable for 6V to 30V DC applications up to 1A, making it ideal for custom power cables, electronics repairs, prototyping, and power distribution projects. ⭐ Features Standard 5.5mm × 2.1mm DC barrel plug Male connector Compatible with standard 5.5×2.1mm female DC jacks Solder-type terminals for secure wire connection Built-in strain relief for cable protection Durable plastic housing with metal contacts Easy assembly with screw-on outer shell Reliable and stable power connection Suitable for 6V–30V DC applications Compact and lightweight design Ideal for DIY electronics and power supply projects 📋 Technical Specifications Product Type: DC Power Barrel Plug Connector Type: Male Barrel Size: 5.5mm (Outer) × 2.1mm (Inner) Connection Type: Solder Terminal Voltage Rating: 6V–30V DC Current Rating: Up to 1A Polarity: Center Positive Compatible Housing Material: Plastic Contact Material: Metal Color: Black Mounting Type: Cable Mount 🔧 Applications DC Power Supplies CCTV Camera Installations LED Strip Lighting Routers and Modems Arduino and ESP32 Projects DIY Electronics Power Adapters Battery Packs Electronic Repairs Prototyping Robotics Projects Custom DC Power Cables Low-Voltage DC Systems 📦 Package Includes 1 × DC Power Connector Male 5.5mm × 2.1mm Barrel Plug ⚠️ Note Verify polarity before connecting power. Ensure solder joints are properly insulated. Not suitable for applications exceeding the rated current. Product appearance may vary slightly depending on the manufacturing batch.
AC 220V 2000W SCR Voltage Regulator Dimmers Speed Controller Thermostat
[AC Motor Driver] 2000W AC 220V SCR Thyristor Voltage Regulator – Motor Speed Controller & Dimmer The 2000W AC SCR Thyristor Voltage Regulator is a high-power electronic controller designed for adjusting AC voltage to control light brightness, motor speed, heating temperature, and other suitable AC loads. It uses a high-power bidirectional silicon-controlled device and an onboard potentiometer for convenient voltage adjustment. The controller can be connected in series with a compatible AC load and adjusted using the rotary knob. It is suitable for applications such as electric furnaces, water heaters, lamps, small motors, electric irons, and other compatible resistive or motor loads. ⭐ Key Features 2000W maximum advertised power AC voltage regulation 90–220V AC input Adjustable output voltage: 50–220V AC High-power SCR/thyristor design Onboard adjustable potentiometer Suitable for light brightness control Suitable for motor speed control Suitable for heating temperature control Compact design Potentiometer includes fixing nut No additional external control components required for basic operation 📋 Technical Specifications Product Type: AC SCR Voltage Regulator Controller Type: Thyristor / SCR Regulator Input Voltage: 90–220V AC Adjustable Output Voltage: 50–220V AC Maximum Power: 2000W SCR Rating: 25A Recommended Power for Voltage Adjustment: Up to approximately 1000W / 5A Recommended Current for Electrical Machines: Up to approximately 3A Control Method: Rotary Potentiometer Material: Plastic / Metal Dimensions: 48 × 55 × 27mm Weight: Approximately 41g Application: AC Voltage / Speed / Brightness / Temperature Control 🛠️ How to Use Connect the controller in series with the compatible AC load according to the input and output markings. After making sure all connections are secure, rotate the potentiometer to adjust the output and control the connected load. For resistive loads such as lamps or heaters, the controller can be used for brightness or heating control. For compatible small AC motors, it can be used for speed adjustment. 🔧 Applications AC Lamp Dimmer Light Brightness Control Small AC Motor Speed Control Electric Furnace Control Water Heater Control Electric Iron Control Heating Element Control Temperature Control AC Voltage Regulation DIY AC Control Projects 📦 Package Includes 1 × 2000W 220V SCR Thyristor AC Voltage Regulator / Motor Speed Controller ⚠️ Precautions This module works with potentially lethal AC mains voltage. Installation should only be performed by a qualified person familiar with AC electrical systems. Do not touch the board or terminals while powered. Do not exceed the specified voltage, current, or power ratings. The 2000W rating is a maximum advertised rating; actual safe continuous power depends on load type, cooling, enclosure, and operating conditions. For voltage adjustment applications, the supplied specification recommends approximately 1000W / 5A or below. For electrical machines, the supplied specification recommends 3A or below. Provide adequate ventilation and heat dissipation at higher loads. Use appropriate fusing and electrical protection. Ensure all wiring and connections are properly insulated and secured. This type of controller is not suitable for every AC load; verify load compatibility before use.
Out of stock12v 40W Ceramic Cartridge Heater
[Heating Module] The 12v 40W Ceramic Cartridge Heater is a powerful little beast of a heater. Get rid of fragile and poor tolerance enamel resistors and switch to a purpose made high power ceramic heater cartridge. Increase the reliability of your extruder with this heater cartridge. Also, it heats up faster. It fits nicely in our extruder, so it’s an easy replacement. Get your hot end hot quickly and hit the highest of temperatures. Comes with a meter of silicone insulated high-temperature wire. Cartridge heaters consist of a cylindrical stainless steel tube and thus provide a high corrosion prevention. The heating wire inside which is wound onto a ceramic core. The choice of coils varies depending at the power, and provide an excellent uniform distribution of heat, which considerably increases the long life of the heater in addition to prevents the oxidation of the heater wire even at high temperatures. Features : Works on many 3D printers, including RepRap and Prusa models. It fits nicely in our extruder, so it’s an easy replacement. Small but powerful. Get your hotend hot quickly. This unit is a more powerful unit than the standard unit for many 3D printers. Package Includes : 1 x 12v 40W Ceramic Cartridge Heater.