Battery Sony Ericsson Xperia ion, LT28, LT28i, LT28at, Aoba, Xperia Io, Li-ion, 1800 mAh Capacity: 1800mAh / 6.66Wh Type: Li-Polymer Volts: 3.7V Size : 56.44 x 53.10 x 5.10mm Certificated with ISO9001, RoHS & CE;