The most indispensable accessory for your Samsung Galaxy S III is the battery. Unless you are need of a paper weight even the most advanced phone is useless without power. Use this original Samsung Battery as a replacement or spare to extend the talk time of your Samsung Galaxy S III. Keep your Samsung Galaxy S III working at optimum performance levels at all times. Just pop the Samsung Battery in your pocket or bag and you’re good to go that extra mile, chatting with your friends, at work, or on the road.