Samsung Battery Charger/Stand with Battery for Galaxy S3 Compact and durable design makes it convenient to charge your spare battery at home or in the office Doubles as a compact, durable case to store and carry your charged battery with you. Package Contents: - Stand Alone Battery Charger - 2100mAh Standard Battery he 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. 2100 mAh spare battery included