Samsung Galaxy S3 SIII Li-ion Spare Backup Battery Extended 2100mAh EB-L1G6LLU Battery Type: Li-ion, Voltage: 3.8V, Capacity: 2100mAh, Item model number: EB-L1G6LLU 2100mAh battery allows you to store power necessary to keep your device charged throughout the day See description for compatibility Genuine Samsung branded product ^This battery is NFC-enabled ^Battery Type: Li-ion, Voltage: 3.8V, Capacity: 2100mAh, Item model number: EB-L1G6LLA ^2100mAh battery allows you to store power necessary to keep your device charged throughout the day ^See description for compatibility Contains: One Original Samsung Galaxy S3 Battery Part# EB-L1G6LLA/LZ/LU