Samsung Attain SGH-I777 battery EB-L1A2GBA

The Samsung Attain is also called as SGH-I777, it is AT&T's Galaxy S 2. The Samsung Attain uses a rechargeable li-ion battery. From its appearance this battery is same as that of Korea version of Galaxy S 2. However there is "Near Field Communication" written in this battery. It seems this battery also adopts NFC technology. It is really rare among all the smartphone batteries.

Type: Li-Ion
Voltage: 3.7V
Capacity: 1650mAh
Replace Code: EB-L1A2GBA,EB-L1A2GBABSTD
Compatible with Samsung Attain, SGH-I777