DESC: OEM Sony Ericsson Lithium-Polymer battery suitable for Sony Ericsson cell phones. Sony Ericsson part no. BST-33. Advanced lithium-polymer technology keeps phone working at optimum performance with long lasting battery life. Compatible with these Sony Ericsson phones (including any a, c or i versions): Sony Ericsson J100 Sony Ericsson K790 Sony Ericsson K800 Sony Ericsson K810 Sony Ericsson M600 Sony Ericsson P990 Sony Ericsson V800 Sony Ericsson W300 Sony Ericsson W610 Sony Ericsson W830 Sony Ericsson W850 Sony Ericsson W880 Sony Ericsson W900 Sony Ericsson W950 Sony Ericsson Z530 Sony Ericsson Z610 Sony Ericsson Z800 Vodafone 802SE