[Official Authorization] Baixt Brand New High Capacity 1600mah Standard Li-ion Extended battery for Sony Ericsson BA700 MT15i MT16i LT16i XPERIA Pro ST18i(Xperia ray)-Blue Compatible with various devices:Sony Ericsson (BA700) Mt15i Mt16i Lt16i Xperia Pro St18i (Xperia Ray) Made with Grade A Li-ion cells and highest quality raw materials,built-in protection circuit to assure safety under all circumstances. Battery type: Li-ion; Voltage: 3.7V; Capacity: 1600mAh Ultra-Long Standby Time;same size as your original battery; Certified by CE / RoHS; Package includes: 1 pc cell phone battery. 24 * 7 email support; 100% satisfaction GUARANTEED