A combination of larger battery, power saving features, and better comfort makes this battery a winning choice. The protection switch has an on / off feature that prevents battery discharge along with making it safer to use. The embedded microchip prevents overcharge and automatically turns off charging when the battery is full. The advanced technology in the battery provides a constant 3.3V constant output.
900mAh high-safety, high-capacity, high-magnification and high-stability dedicated lithium battery