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Electronics, sensors, robotics kits, PC components, peripherals — everything Unik Systems carries, in one place.
Out of stockMagnetic Under-Desk Cable Clips (6 pc)
Strong neodymium cable holders for desk underside or steel surfaces. 6-pack.
Winway 18650 Lithium-Ion Rechargeable Battery 3.7V 2600mAh 9.62Wh
[Lithium Battery Cell] The Winway 18650 Lithium-Ion Rechargeable Battery is a high-performance cylindrical Li-ion cell designed to deliver reliable and long-lasting power for a wide range of electronic devices. With a nominal voltage of 3.7V, 2600mAh capacity, and 9.62Wh energy rating, it provides consistent power output for both high-drain and low-drain applications. Manufactured using premium lithium-ion cell technology, this battery offers excellent energy density, stable discharge performance, and long cycle life. Its standard 18650 form factor makes it compatible with most battery holders, chargers, and devices designed for 18650 cells. The Winway 2600mAh battery is widely used in rechargeable flashlights, emergency lights, battery packs, power banks, Bluetooth speakers, portable fans, solar lighting, DIY electronics, robotics, and various battery-operated devices. Designed for durability and dependable performance, this battery delivers excellent backup time while maintaining stable voltage throughout the discharge cycle. ⭐ Features High-quality 18650 Lithium-Ion rechargeable battery 2600mAh high-capacity cell Nominal voltage of 3.7V Energy rating of 9.62Wh Stable discharge performance High energy density Long charge and discharge cycle life Lightweight and compact cylindrical design Suitable for battery pack assembly Compatible with standard 18650 battery holders and chargers 📋 Technical Specifications Product Type: Lithium-Ion Rechargeable Battery Brand: Winway Battery Model: 18650 Nominal Voltage: 3.7V Nominal Capacity: 2600mAh Energy: 9.62Wh Battery Chemistry: Lithium-Ion (Li-ion) Cell Type: Rechargeable Form Factor: Cylindrical 18650 Diameter: Approx. 18mm Length: Approx. 65mm Weight: Approx. 45g Color: Green Rechargeable: Yes Made In: India Pack Quantity: 1 Piece 🔧 Applications Suitable for: Rechargeable Flashlights Emergency Lights Power Banks Bluetooth Speakers Portable Fans Solar Lighting Systems DIY Battery Packs Robotics Projects Arduino Projects ESP32 Projects Electronic Toys Portable Electronic Devices Medical Equipment (Compatible Models) Industrial Electronic Equipment 📦 Package Includes 1 × Winway 18650 Lithium-Ion Rechargeable Battery 3.7V 2600mAh ⚠️ Safety Instructions Use only a compatible Li-ion battery charger. Do not short-circuit, puncture, crush, or disassemble the battery. Do not expose the battery to fire, excessive heat, or water. Observe correct polarity during installation. Do not overcharge or over-discharge the battery. Store in a cool, dry place away from direct sunlight.
3.7V 500mAh 14500 Lithium-Ion Battery without Tip Top Cap
[Lithium Battery Cell] Product Description The 3.7V 500mAh 14500 Lithium-Ion Rechargeable Battery (AA Size) is a compact and powerful energy source designed for high-performance portable devices. With a flat-top terminal and 500mAh capacity, this Li-ion cell provides reliable, long-lasting power for your electronics and DIY projects. Ideal for use in RC transmitters, receivers, flashlights, toys, and DIY electronic projects, it offers excellent efficiency and rechargeability compared to standard AA batteries. Its cylindrical design ensures compatibility with most 14500 battery holders or can be soldered directly into circuits. Features Voltage: 3.7V Capacity: 500mAh Battery Type: Lithium-Ion (Li-ion) Shape: Cylindrical (AA Size – 14500) Terminal Type: Flat Top High performance and long cycle life Lightweight and compact design Compatible with most 14500 battery holders Environment-friendly and rechargeable Applications RC transmitters and receivers Flashlights and LED torches Hobby electronics and DIY projects Battery-powered toys and gadgets Power banks and small embedded systems Package Includes 1 × 3.7V 500mAh 14500 Lithium-Ion Rechargeable Battery (Flat Top, without Tip Cap)
18650 3.7V 2000mAh Lithium-Ion Rechargeable Battery Cell
[Lithium Battery Cell] The 18650 3.7V 2000mAh Lithium-Ion Rechargeable Cell is a high-performance cylindrical lithium battery designed for reliable and long-lasting power delivery. With a nominal voltage of 3.7V and a capacity of 2000mAh, this cell is ideal for building DIY battery packs, power banks, backup batteries, flashlights, robotics systems, and portable electronic devices. Manufactured using high-quality lithium-ion chemistry, this rechargeable cell offers stable discharge, low internal resistance, and excellent cycle life. It can be connected in series or parallel configurations to create higher voltage or higher capacity battery packs for various applications. The standard 18650 size format makes it compatible with most battery holders, chargers, and BMS boards. When used with a proper BMS (Battery Management System) and charger, this cell provides safe and efficient performance. ⭐ KEY FEATURES ✔ Nominal Voltage: 3.7V✔ Capacity: 2000mAh✔ Rechargeable Lithium-Ion Chemistry✔ Standard 18650 Size – wide compatibility✔ Long cycle life & stable output✔ Low self-discharge rate✔ Ideal for DIY battery packs & portable power projects 🔧 TECHNICAL SPECIFICATIONS Battery Type: Lithium-Ion (Li-ion) Model Size: 18650 Nominal Voltage: 3.7V Rated Capacity: 2000mAh(Actual Capacity may be vary) Charging Voltage: 4.2V (Max) Discharge Cut-off Voltage: ~2.5V Rechargeable: Yes Form Factor: Cylindrical 🎯 APPLICATIONS Power banks & portable chargers DIY lithium battery packs Flashlights & emergency lights Robotics & automation projects Solar battery storage UPS & backup power systems Toys & electronic gadgets 📦 PACKAGE INCLUDES 1 × 18650 3.7V 2000mAh Lithium-Ion Rechargeable Battery Cell Note: Images shown are for illustrative purposes only. Actual Product may vary.
18650 2×1 Battery Cell Spacer Holder
[Lithium Battery Holder] These Battery Cell Spacer Holders are made for 18650 Li-ion batteries. It is made of flame retardant ABS+PC materials. The holders have features like high-temperature resistance and crake proof. Every Single battery cell needs 2 Spacer for one up and one down buy it accordingly. There are slots on the edge of the holder to combined them into many different sizes and shapes of the battery pack. Features: Compatible Battery Size: 18650 Li-ION It is very simple to operate and it is flexible. It is easy to assemble any type of battery packs. It makes your battery pack Solid and Reliable. Note: Battery is not included, you need to buy it separately. Package Includes: 1 x 18650 2×1 Battery Cell Spacer Holder.
32650/32700 Holder Lithium Phosphate LifePo4 Battery Spacer Plastic Holder for DIY Battery Pack
[Lithium Battery Holder] The 32650 / 32700 LiFePO4 Battery Holder Spacer is a durable plastic bracket designed to securely hold cylindrical lithium iron phosphate (LiFePO4) battery cells during battery pack assembly. It ensures proper alignment, spacing, and airflow between cells, improving safety and structural stability. These holders are ideal for DIY battery pack builders working on solar storage systems, electric vehicles, power banks, UPS systems, inverters, and backup power solutions. Made from high-quality heat-resistant plastic, the spacer provides mechanical support and insulation between cells, reducing vibration and short-circuit risks. 🔹 Key Features Compatible with 32650 and 32700 LiFePO4 cells Strong and durable plastic construction Maintains proper spacing between battery cells Improves pack ventilation and heat dissipation Easy snap-fit design for quick assembly Lightweight and reusable Ideal for DIY and professional battery pack building 🔹 Technical Specifications Compatible Cell Size: 32650 / 32700 Material: ABS / High-strength plastic Color: Black (may vary by batch) Application: Battery pack assembly Mount Type: Snap-fit interlocking design Heat Resistance: Suitable for spot welding environments Insulation: Non-conductive plastic body 🔹 Applications LiFePO4 battery pack assembly Solar energy storage systems Electric vehicle battery packs UPS and inverter systems DIY power wall projects E-bike battery packs Industrial battery modules 🔹 Package Contents 1 × 32650 / 32700 Battery Spacer Holder
5mm LED Holder Chrome Metal Silver open type
[LED Holder and Connector] The 5mm Open Type Chrome Metal LED Holder is designed for mounting standard 5mm LEDs in electronic panels and project enclosures. Its open-front design allows the LED to remain clearly visible while providing secure support and a professional finish. Made from durable chrome-plated metal, this holder offers better strength and long-lasting performance compared to standard plastic holders. In addition, the polished silver finish improves the appearance of LED indicators in DIY and industrial projects. Because of its compact panel-mount design, the holder is easy to install in amplifier panels, battery indicators, control boxes, and custom electronic enclosures. Furthermore, it helps keep LEDs aligned securely during operation. This holder is widely used in DIY electronics, audio amplifiers, robotics projects, battery systems, and indicator light applications. 🔹 Key Features Compatible with standard 5mm LEDs Open type front design Durable chrome-plated metal body Silver polished finish Secure panel mount fitting Professional appearance Easy installation Compact and lightweight 🔹 Technical Specifications Parameter Specification Product Type LED Holder LED Compatibility 5mm LED Design Open Type Material Chrome Metal Finish Silver Mount Type Panel Mount 🔹 Applications LED indicator mounting DIY electronics projects Audio amplifier panels Battery indicator systems Robotics projects Control panel indicators Electronic enclosures 🔹 Package Includes 1 × 5mm Open Type Chrome Metal LED Holder