Anker® 2 x 1900mAh Li-ion Battery for Samsung Galaxy S2 SII GT-I9100, I9100 Galaxy, Galaxy S2 II 9100G, Galaxy R GT-I9103 replaced EB-F1A2GBU, + free Travel Charger (Electronics)
After almost exactly 3 months both batteries give up the ghost quite complete (approximately May 13 - 08/12/2013). Unlike the original part of the battery, the power goes out but not gradually, but they have become useless within 3 days with little w