... Battery for SONY VAIO VGN-CS28/Q, VGN-FW100, VGN-FW148J/H, 1. Voltage: 11.10V 2. Capacity: 4400mAh Replacement Laptop Battery for SONY VAIO VGN-CS28/Q, VGN ... , VGN-FW200, VGN-FW21M, VGN-FW27GU, VGN-FW29/B, VGN-FW300, VGN-FW31M, VGN-FW35F/W, VGN-FW37J/B, VGN-FW48J/B, VGN-FW58F/B, SONY VAIO VGN-CS, VAIO VGN-FW Features:Battery ...