Replacement 3.7V 3500mAh Battery Pack with Back Case for Samsung i9100 Galaxy S2
It's a known fact that phone batteries lose their ability to keep a charge after a while. It can be inconvenient to always have a dead battery. This is a great oversized battery with a custom sized back plate for you Samsung i9100. This larger size battery has a capacity of 3500mAh at 3.7V. It performs great and adds some extra power giving extra usage time. What could be better? - Voltage: 3.7V - Capacity: 3500mAh - Replaces your old damaged battery - Back case material: hard plastic - Designed for Samsung i9100 Galaxy S2