PowerSmart 9 Cell 10.8V 6600mAh Laptop Battery for Sony VGP-BPS21, VGP-BPS21A, VGP-BPS21B, VGP-BPL21 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||Weight:454 g Product Type: Replacement Battery (Brand New) ||Condition: New, 1 year warranty! Please ensure the product(s) that you are going to buy fits the brand, model, part number and dimension (mentioned above) of your device. The brand "PowerSmart" is our exclusive registered trademark, products trademarked "PowerSmart " are marketed and sold exclusively by power198