1. 3.6V ER26500M 6500mAh Lithium battery 2. same price but long time discharge than others 3. ... , MP4, portable DVD, electric toys, military equipment, mobile phones, LED flashlight, battery car industries, radio communications, camcorders, digital cameras, wireless microphone, Luminescent ... , computer storage equipment, point-of-sale, solar lights. ER26500M 6500mAh battery