Toshiba PA3457U-1BRS Primary High Capacity 8-Cell Li-Ion Battery Pack Primary High Capacity Battery Pack (8-cell, Rechargeable, Removable, Lithium Ion) Capacity: 14.4V x 4300 mAh/Battery life: Up to 2 to 3 hours (Normal mode) Recharge Time (Main Off/On): 4 hours/ 12 hours Approximately Compatible with A100-S2211TD/A100-S3211TD/A100-S8111TD/A105-S101/A105-S101X/A80 0.95 lbs (WxLxH) 2.75" x 8.75" x 0.75"