Specification: Replacement Sony VGP-BPS8A VGP-BPS8B VGP-BPL8A Battery (6600MAH/73Wh 11.1V 9 Cells Li-Ion) for Sony VAIO VGN-FZ15 VGN-FZ17 VGN-FZ18 VGN-FZ25 VGN-FZ27 VGN-FZ28
Compatible with following laptops:Sony VAIO
VGN-FZ50B VGN-FZ70B VGN-FZ90NS VGN-FZ90S VGN-FZ90HS VGN-FZ1