Motorola SNN5615A Cellular phone battery Li-Ion 1400 mAh with Extended Battery Door Cover for Motorola E815 E816 V710 Compatible with Motorola: E815, E816, V710 Uses the latest Lithium Ion battery technology giving you the best performance possible compared to other battery technologies rated microchip prevents overcharging & lengthens battery life Up to 300 minutes talk time / up to 270 hours standby time Extended Door Included.