Toshiba PA3820U-1BRS PA3821U-1BRS PABAS231 PABAS232 Mini NB500 Battery - Compatible Part Numbers: PA3820U-1BRS, PA3821U-1BRS, PABAS231, PABAS232 - Battery Type: Li-ion, Battery Volt: 10.8V, Capacity: 4400mAh 48Wh, Battery Color: Black, Condition: 100% New