Guaranteed brand new product when purchased from AlumiGogo.com (ships and sold by amazon.com)
Samsung original battery for Galaxy S3
It is recommended to fully drain and fully charge the battery especially during the first 3 charging and discharging cycles doing so may greatly improve the overall life of the battery
2100mAh battery allows you to store power necessary to keep your device charged throughout the day
Description: Samsung uses the latest Lithium Ion battery technology giving you the best performance possible for your Samsung Galaxy S3. Lithium Ion batteries are designed specifically for your Samsung mobile phone to deliver the most reliable and long lasting power.