Replacement Laptop Battery for SONY VAIO VGN-CS28/Q, VGN-FW100, VGN-FW148J/H, 1. Voltage: 11.10V 2. ... Replacement Laptop Battery for SONY VAIO VGN-CS28/Q, VGN-FW100, VGN-FW148J/HSeries Compatible Part Numbers: VGP-BPS13/S ... -BPS13B/S, SONY VAIO VGN-CS28/Q, VGN-FW100, VGN-FW148J/H, SONY VAIO VGN-CS28/Q, VGN ... SONY Sony VAIO VGN-CS28/Q, Sony VAIO VGN-FW100, Sony VAIO VGN-FW148J/H, Sony VAIO VGN-FW19 ...