All products · 7 of 1440
Electronics, sensors, robotics kits, PC components, peripherals — everything Unik Systems carries, in one place.
Out of stockLogitech G Cloud Gaming Handheld
Android handheld for cloud gaming. 7" 1080p IPS, 12-hour battery.
Out of stockRazer Edge 5G Handheld Gaming Tablet
Snapdragon G3x Gen 1, 6.8" 144Hz AMOLED, Kishi V2 Pro controller bundled.
Out of stock146074 3.7V 10000mAh Rechargeable Lithium Polymer (Li-Po) Battery Cell for Power Bank & Electronic Devices
[LiPo Cell] The 146074 3.7V 10000mAh Lithium Polymer Rechargeable Battery Cell is a high-capacity flat Li-Po battery designed for portable electronic devices and power bank applications. With a large 10000mAh capacity, it provides long-lasting power while maintaining a compact and lightweight design. This lithium polymer cell is widely used in DIY power banks, Bluetooth speakers, tablets, GPS devices, IoT systems, portable electronics, and backup power systems. The battery includes protection circuitry compatibility and provides stable voltage output for reliable performance in demanding applications. 🔹 Key Features High capacity 10000mAh lithium polymer battery Nominal voltage 3.7V Lightweight and compact flat design Rechargeable Li-Po chemistry High energy density Stable discharge performance Suitable for portable electronics and DIY power banks 🔹 Technical Specifications Battery Type: Lithium Polymer (Li-Po) Model: 146074 Nominal Voltage: 3.7V Fully Charged Voltage: 4.2V Rated Capacity: 10000mAh Actual Capacity: 90-92% of Rated Capacity Cell Type: Flat pouch cell Charging Method: CC-CV (Constant Current / Constant Voltage) Charge Voltage: 4.2V Discharge Cut-off Voltage: 3.0V Rechargeable: Yes 🔹 Applications Power banks DIY battery packs Bluetooth speakers Portable electronics IoT devices GPS devices Tablets and handheld devices Backup power systems ⚠ Safety Instructions Do not short circuit battery terminals. Do not overcharge above 4.2V. Do not discharge below 3.0V. Use only compatible Li-Po charger or protection board. Do not puncture or expose battery to fire or heat. Do not charge unattended. Store in a cool and dry place. 🔹 Package Includes 1 × 146074 3.7V 10000mAh Lithium Polymer Battery Cell ⚠ Battery color and label may vary depending on stock batch.
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)
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
Out of stockRFID Reader/Writer RC522 SPI S50 with RFID Card and Tag
[IR and PIR Sensors] Do you want to know the work of RFID Reader/Writer RC522 SPI S50 CARD AND KEYCHAIN, then this Product is best for you . With this Product, you can detect radio waves produced by a reader to detect the presence of (then read the data stored on) an RFID tag This is RFID Reader/Writer RC522 SPI S50 CARD AND KEYCHAIN which works on non-contact 13.56mhz communication, is designed by NXP as low power consumption, low cost, and compact size read and write chip, is the best choice in the development of smart meters and portable hand-held devices. It uses an advanced modulation system, fully integrated at 13.56MHz with all kinds of positive non-contact communication protocols. Support 14443A compatible answer signal. DSP deals with ISO14443A frames and error correction. This module can fit directly in handheld devices for mass production. The module uses the 3.3V power supply and can communicate directly with any CPU board by connecting through the SPI protocol, which ensures reliable work, good reading distance. Features : Highly integrated analog circuitry to demodulate and decode responses. Supports ISO/IEC 14443 A/MIFARE. Typical operating distance in reading/Write mode up to 50 mm. Supports ISO/IEC 14443 A higher transfer speed communication up to 848 kBd. SPI up to 10 Mbit/s. FIFO buffer handles 64 bytes send and receive. Flexible interrupt modes. Power-down by software mode. Programmable Timer. 2.5 V to 3.3 V power supply. CRC coprocessor. Internal self-test. Package Includes 1 x RFID-RC522 Reader/Write Module 1 x Standard blank RFID card 2 x A Straight & right-angle header strip 1 x Special-shaped keychain RFID tag
1S 5A 18650 Lithium Battery Protection Board with Nickel Strip
[Lithium Battery Protection Board] JLGW BMS NMC 1S 5A Hardware Product Data Sheet The BMS NMC 1S 5A ROUND (JLGW) is a precision-built, space-saving single-cell protection circuit designed for NMC Lithium-ion 3.7V batteries. It features a compact round design with pre-attached nickel strips, making it the ideal choice for integrating into cylindrical and tightly packed battery modules. Technical Specifications Parameter Specification Cell Configuration 1S (3.7V Li-ion/NMC) Output Current 5A Overcharge Protection 4.25V ± 0.05V Over-discharge Protection 2.75V ± 0.05V Overcurrent Threshold ~6A Short Circuit Protection Yes (Auto recovery / Cut-off) PCB Format Round with Nickel Strip Connection Method Spot Welding Operating Temp -20°C to +60°C Dimensions (approx) Ultra compact for 18650/21700 formats Key Features Compact Round PCB: Optimized for cylindrical cell integration and small enclosures. 5A Rated Discharge: Perfect for devices needing higher current without bulky BMS. Comprehensive Protection: Prevents over-voltage, under-voltage, short circuits, and overcurrent. Pre-welded Nickel Strips: Enables faster and safer battery pack assembly. Plug-and-Play Design: Simple installation without extra connectors. Applications Digital Cameras Handheld Medical Instruments GPS Modules Custom Battery Packs Tactical Flashlights Portable Gadgets The PCM NMC 01S/5A (JLGW) is a Battery Protection Circuit Module (PCM) designed for 1 series Nickel Manganese Cobalt (NMC) battery packs, supporting a 5A continuous discharge current. This module is suitable for low to moderate power applications, such as small energy storage systems, backup power solutions, and portable electronics. It provides essential protection features, including overcharge, over-discharge, overcurrent, short circuit, and temperature protection, ensuring the safe and reliable operation of the battery. The JLGW designation refers to the specific manufacturer or design. The PCM helps maintain battery health by balancing the voltage across cells, optimizing performance, and extending the battery pack’s lifespan. Wiring Instructions: B+ : Connected to the battery positive. B- : Connected battery negative. P+ : For the battery pack output-input positive P- : For the battery pack output-input negative Package Includes: 1 x 1S 5A 18650 Lithium Battery Protection Board