-fit for iPhone 4G 4S -Back Power pack case protector cover -2000mah -extended battery charger -high quality Black For iPhone 4G 4S 2000mAh Power Pack Extended Battery Charger Back Case Cover 1.Essentially an extended battery, this power pack for iPhone 4G 4S has 2000mAh capacity2.This power pack fits around your mobile phone and extends the talktime. It does make the device physically thicker, ...
