... 4.Certificte: CE FCC Rohs Product description: For Sony Ericsson W910 Mobile Phone Battery BST39 SpecsBattery modelBST-39Battery ... over current and short- circuit protection, more safeguard for using. ColourBlack, white Charging life cycleOver 500timesWarranty12 months ... , LG, Sony Ericsson, Motorola, Dopod, OPPO, Sharp, Apple, Black Berry, Lenovo, HTC and so on. Battery BST39 for SONY ERICSSON W910