Sony Vaio VGN-TX Battery VGP-BPS13B/B175685721Cell Type: Li-ionVoltage: 11.1VCapacity: 4400mAhColor: Black Compatible Models:Sony Vaio VGN TX SeriesTX46C/B, TX46C/T, TX45C/B, TX58CN, TX57CNTX56C/B, TX56C/T, TX36C/W, TX46C/W, TX56C/WTX17C/B, TX17C/L, TX16C/B, TX28CP/L, TX27CP/BTX27CP/L, TX26C/B, TX26C/T, TX16C/W, TX15C/WTX26C/W, TX25C/W, TX38CP/L, TX37CP/B TX37CP/LTX36C/B, TX36C/T, TX48CP/L, TX47CP/B, TX47CP/LSony Vaio FW SeriesVGN-FW11, VGN-FW11S, VGN-FW11M, VGN-FW15T, VGN-FW17WVGN-FW17/B, VGN-FW17T/H, VGN-FW19, VGN-FW19, VGN-FW139E/H, VGN-FW21Sony Vaio CS SeriesVGN-CS110E/S, VGN-CS190