Replace the old battery in your Samsung Galaxy S3 with this new official Samsung lithium ion cell (Li-Ion). This replacement Samsung Galaxy S3 2100mAh battery will help breathe new life into your device or is great as a spare. This official Samsung battery features a built-in NFC chip - allowing your Samsung Galaxy S3 to use NFC technology to immediately launch apps, instantly connect to Bluetooth devices, send text messages and change phone settings as well as many other benefits. Replaces battery model: EB-L1G6LLU Capacity: 2100mAh Voltage: 3.8V Compatible with: I9301I Galaxy S3 Neo | I9305 Galaxy S III | I9300I Galaxy S3 Neo | I9300 Galaxy S III Versions: Samsung SIII Neo+ I9300I | Samsung GT-I9300RWI with no NFC connectivity