11.10V,4400mAh,Li-ion,Replacement Laptop Battery for Sony VAIO VGN-CS50B/W, VAIO VGN-CS51B/W, VAIO VGN-CS52JB/W, VAIO VGN-CS71B/W, VAIO VGN-CS72JB/W, VAIO VPCCW1EFX/W, SONY VAIO VGN-CS, VAIO VGN-CS19, VAIO VGN-CS2, VAIO VGN-CS23, VAIO VGN-CS260, VAIO VGN-CS290, VAIO VGN-CS3, VAIO VGN-CS36, VAIO VGN-CS39, VAIO VGN-CS60, VAIO VGN-FW, VAIO VGN-FW20, VAIO VGN-FW30, VAIO VGN-FW40, VAIO VGN-FW80, VAIO VGN-FW90 Series,Compatible Part Numbers of sony:VGP-BPS13/S, VGP-BPS13A/S, VGP-BPS13AS, VGP-BPS13B/S, VGP-BPS13S Remark: 1. You will be required to install a non-hazardous program to ensure the battery be 100% compatible with your laptop. This program will update the underlying device driver of intelligent lithium battery, including the BIOS. Please read the instruction manual carefully before you start to install the program. 2. The package includes 1pc battery and 1pc CD. The program in the CD might not be latest version. Please send email to our customer service, tell us the Order No., so as to get the latest version's program. Battery Type: Li-ion/// Voltage: 11.10V/// Capacity: 4400mAh/// Color: Silver Dimension: 204.20 x 47.10 x 20.60 mm///Weight: 575.20 g Product Type: Replacement Battery (Brand New)/// Condition: New, 1 year warranty! Ship from California, Approximate transport time is 2 to 6 business days depending on location.!