-fit for Samsung Galaxy S2 SII i9100 -Back Power pack case protector cover -2800mah -extended battery charger -with stand Black For Samsung Galaxy S2 i9100 2800mAh Power Pack Extended Battery Charger Back Case with Kickstand1.Essentially an extended battery, this power pack for the Samsung Galaxy S II has a 2800mAh capacity2.This power pack fits around your I9100 and extends the talktime. It does ...