PowerSmart 9 cell Replacement Battery For Sony Vaio PCG-81113L,PCG-81114L,PCG-81214L,PCG-81311L laptop Compatible Part Numbers: VGP-BPL13, VGP-BPL21, VGP-BPS13, VGP-BPS13/B, VGP-BPS13/Q, VGP-BPS13A, VGP-BPS13A/B, VGP-BPS13A/Q, VGP-BPS13A/R, VGP-BPS13AB, VGP-BPS13B, VGP-BPS13B/B, VGP-BPS13B/Q, VGP-BPS21, VGP-BPS21A, VGP-BPS21B Battery Type: Li-ion Voltage: 10.80V Capacity: 6600mAh Color: Black ||Dimension: 204.00 x 47.10 x 37.00 mm||Weight506.4 g Weight (net)454 g Product Type: Replacement Battery (Brand New) ||Condition: New, 1 year warranty! Remark: 1. NO BIOS CD Needed; 2. Work with Windows 7 or Windows Vista 32 bit / 64 bit. Please ensure the product(s) that you are going to buy fits the brand, model, part number and dimension (mentioned above) of your device.