This high-capacity 18650 Li-ion battery is designed for long-lasting performance and direct micro-USB recharging, making it easy to keep your devices powered on the go. It's optimised for Ledlenser models ST6R and ST7R, ensuring reliable compatibility and quick charging capabilities. Perfect for powering your adventures, this battery combines convenience and durability for extended use in any environment. 3.6 V 2500 mAh.