UBatteries Laptop Battery Sony VAIO VGP-BPS21 VGP-BPS21/B VGP-BPS21A VGP-BPS21A/B VGP-BPS21A/Q VGP-BPS21A/R VGP-BPS21AB VGP-BPS21B VGP-BPS21B/B VGP-BPS21B/Q VGP-BPL21 - 11.1V, 5200mAh, Samsung 2.6A Cells - UBMax Series (Black) Size 6 Cell, 5200mAh UBatteries Li-Ion Replacement Laptop Battery; Samsung Grade A Cell 2.6A Type: 6 Cell Lithium-Ion, Samsung 2.6A Cells - UBMax Series | Voltage: 11.1V | Capacity: 5200mAh | Rating: 56Whr CE ROHS Certified 18 months Warranty, 30 Days Return