This is a new and original replacement battery designed for Samsung Galaxy S3 Mini i8190, Duos and Exhibit. It has a capacity of 1500 mAh, a voltage of 3.7 and is made of Lithium ion material. The slim design/finish and black/grey color make it a perfect fit for your Samsung phone. This battery is compatible with Samsung Galaxy S3 Mini GT-i8190 and Samsung Galaxy Ace 2 GT-i8160. It is an internal battery type and specifically designed for Samsung phones. With this new replacement battery, you can enjoy longer hours of talk time and stay connected with your loved ones.