Battery Energy+ brand Li-Ion 6 cell for Sony Vaio AR, C, CR, FE, FJ, FS, FT, N, S, SZ series and Sony Vaio VGN-AR, VGN-C, VGN-CR, VGN-FE, VGN-FJ, VGN-FS, VGN-FT, VGN-N, VGN-S, VGN-SZ series replaces VGP-BPS2, VGP-BPS2A, VGP-BPS2B ,VGP-BPS2C. "11.1V 4400mAH Fully Charged and Tested 1 year Warranty"