... 4400mAh Replacement Laptop Battery for SONY VAIO VGN-CS28/Q, VGN-FW100, VGN-FW148J/HSeries Compatible Part Numbers: ... VGP-BPS13/S, VGP-BPS13A/S, VGP-BPS13AS, VGP-BPS13B/S, SONY VAIO VGN-CS28/Q, VGN-FW100, VGN ... -FW148J/H, SONY VAIO VGN-CS28/Q, VGN-FW100 ... payment.Fit Models: SONY Sony VAIO VGN-CS28/Q, Sony VAIO VGN-FW100, Sony VAIO VGN-FW148J ...