... RoHS compliance 3.mini size lipstick pocket size mobile Charger Battery 2200mah-2800mah power bank for business trip Our hot ... 2200mah-2800mAh lithium-ion battery. Specifications:1. Battery Type: Lithium-ion polymer battery 2. Capacity:2200mah-2800mAh (Li-polymer battery with high safety and ... ,PSP,NDS,GPS,,etc. lipstick pocket size mobile Charger Battery 2200mah-2800mah power bank for business trip