Replacement  Battery For Samsung Galaxy S2 i9100
Product feature:
* Li-ion Battery
* Voltage: 3.7v 6.11 Wh
* Capability: 1650 mAh 
Part no.: EB-F1A2GBU
Compatible with: Samsung Galaxy S2 i9100 Battery Replacement
Battery warranty:  We only sell the good quality battery  and  each battery have 1 year warranty and Pls buy with confidence. 
Important: 
For brand new battery, Pls keep charging 8 hours at least since New Lithium Ion batteries must be FULLY CHARGED and FULLY DISCHARGED 2 to 3 times, before being FULLY CONDITIONED. Please remember that a new Lithium-Ion battery’s full performance and longevity is only achieved after 2 to 3 complete charge and discharge cycles. After you go through 2 to 3 cycles, you’ll never have to condition your battery again!
For brand new battery, Pls 
All talk and standby times are approximate, depending upon carrier’s network settings, signal strength, and features selected. Talk and Standby times will be lower in Analog mode as noted above.
Package included: 1x  Replacement  Battery For Samsung Galaxy S2 i9100