GoodBZ Spare Battery Charger Stand Dock and 2100mAh Battery for Samsung Galaxy S3 III I9300 3.8V 2100mAh Li-ion Battery + Battery Charger with Dock Stand for your Samsung Galaxy S3 i9300 Compact and durable design makes it convenient to charge your spare battery at home or on the go Charger with a cover to keep your battery safe while charging The phone groove allows you to use the Spare Battery Charging System as a stand to display your phone in a comfortable reading or viewing angle while your spare battery charges Doubles as a compact, durable case to store and carry your charged battery with you