Black Diamond BD 1800 Battery & Charger

"The BD 1800 Battery & Charger from Black Diamond repru00e4esents the next step in modular and rechargeable battery technologyu00e4. This powerful, rechargeable 1800 mAh lithiumion cell provides a reliable power source for your outdoor adventures and is compatible with the Sprinter 500 and ReVolt 350. Whether you are running, climbing, hiking or on longer trekking tours, the BD 1800 ensures that you never run out of energy. Thanks to the USBcharging option, you can charge the battery conveniently and easily again and again, making it an environmentally friendly and practical companion. Weighing just 70 g, it is also lightweight and unisex, making it suitable for any activity and any gender."