Battery Charger for 26650/21700/18650/18490/16340/14500 Batteries, 2 Slots, 3.7V Li-ion Rechargeable Battery Charger, Universal Smart Battery Charger with USB Cable

Dimensions: 13.5 cm × 6.5 cm × 3.5 cm

Universal Compatibility for Various Batteries: This 18650 battery charger is designed to charge a wide range of 3.7V rechargeable Li-ion batteries, including models 26650/21700/18650/18490/16340/14500 and many more. It is ideal for users of electronic devices such as electronics, flashlights, and more.

Complete Protection to Safeguard Your Batteries: The battery charger is equipped with a comprehensive protection system that prevents the risks of overcharging, overheating, short circuits, and overvoltage.

This ensures the safety of your batteries and extends their lifespan, while offering reliable and secure use.

Convenient Design: Compact and lightweight, this 18650 battery charger features a convenient USB port for connecting to USB adapters, power banks, or laptops. Its portability makes it perfect for use at home or on the go.

Fast Start and Efficient Charging: Equipped with smart charging technology, this charger uses high-precision pulse charging control with three charging modes: constant current, constant voltage, and trickle charge. This allows for fast and safe charging, ensuring your batteries are always ready to use.

LED Indicator for Charging Progress: Each charging slot has an LED that indicates the charging progress.

The blue indicator light flashes to signal the charge levels (25%, 50%, 75%), and remains steady once charging is complete, providing you with precise monitoring of the charging process.