All products · 1 of 1440
Electronics, sensors, robotics kits, PC components, peripherals — everything Unik Systems carries, in one place.

EU Plug Universal Battery Charger For 18650 16340 14500 Li-ion Rechargeable Battery Charger
[Li-ion Rechargeable Battery Charger, Lithium Battery And Accessories] 🔋 Universal Li-ion Battery Charger for 18650, 16340 & 14500 Rechargeable Batteries (EU Plug) Intelligent Charging • Automatic Cut-Off • LED Charging Indicator • Wide Voltage Input • Safe & Reliable The Universal Li-ion Battery Charger is a compact and reliable charging solution designed for 3.7V rechargeable lithium-ion batteries such as 18650, 16340 (RCR123A), and 14500 cells. Featuring a European (EU) plug, this charger is ideal for home, office, laboratory, and travel use. The charger automatically detects the battery charging status and provides safe, intelligent charging with automatic cut-off when the battery reaches full capacity. The built-in LED status indicator displays Red/Orange while charging and changes to Green when charging is complete, ensuring convenient monitoring. Designed with built-in protection against overcharging, short circuits, and reverse polarity, this charger helps extend battery life while providing safe and efficient charging performance. Its spring-loaded battery slot accommodates multiple cylindrical Li-ion battery sizes, making it a versatile charger for hobbyists, technicians, and electronics enthusiasts. Note: This charger is designed only for 3.7V Li-ion rechargeable batteries. It is not compatible with LiFePO₄, NiMH, NiCd, or primary (non-rechargeable) batteries. ⭐ Features Universal charger for multiple Li-ion battery sizes Compatible with 18650, 16340 (RCR123A), and 14500 rechargeable batteries European (EU) AC plug Intelligent automatic charging control Automatic charging cut-off when battery is fully charged LED charging status indicator Red/Orange LED while charging Green LED when charging is complete Built-in overcharge protection Reverse polarity protection Short-circuit protection Compact, lightweight, and portable design Easy plug-and-play operation 📋 Technical Specifications Product Type: Universal Li-ion Battery Charger Plug Type: EU Plug Input Voltage: 100–240V AC, 50/60Hz Output Voltage: 4.2V DC Charging Current: Approx. 400mA–1000mA (depending on model/batch) Battery Chemistry: Lithium-Ion (Li-ion) Supported Battery Sizes: 18650 16340 (RCR123A) 14500 Charging Method: Constant Current / Constant Voltage (CC/CV) Charging Indicator: Red/Orange – Charging Green – Fully Charged Protection Features: Overcharge Protection Reverse Polarity Protection Short-Circuit Protection Body Material: Flame-Retardant ABS Plastic Color: Black 🔧 Applications Suitable for: 18650 Lithium-Ion Batteries 16340 (RCR123A) Batteries 14500 Rechargeable Batteries LED Flashlights Rechargeable Torches DIY Battery Packs Portable Electronic Devices Electronics Laboratories Hobby Projects Battery Maintenance Educational Projects 📦 Package Includes 1 × Universal Li-ion Battery Charger (EU Plug) ⚠️ Note Compatible only with 3.7V rechargeable Li-ion batteries. Do not use with LiFePO₄ (3.2V), NiMH, NiCd, or non-rechargeable batteries. Battery is not included. Charging current and charger appearance may vary slightly depending on the manufacturing batch.