CoreParts Battery for Sony Mobile 2.96Wh Li-ion 3.7V 800mAh, Sony Ericsson E15, E15I, E16, E16I, KANNA, KURARA, SK17, SK17A, SK17I, ST15, ST15A, ST15I, ST17, ST17A, ST17I, U5, U5A VIVAZ, U5I COSMIC, U5I VIVAZ, U8, U8I, U8I VIVAZ PRO, VIVAZ PRO, W8, W8 WALKMAN, W8A, WT19I, XP