Compatible Laptop Model: For Toshiba Satellite A80 A100 M40 M45 M50 M55 M100 M110 M115 Series A105 A110 A135 A80 A85 M105 M115 M45 M50 M70 Description: Capacity:44WH Voltage:10.8V Color:Black Replace Part Number: PA3399U-2BRS PA3399U-1BAS PA3399U-1BRS PA3399U PA3465U-1BRS PA3451U-1BRS PA3465U-1BAS If the device can run, but the battery power supply time is short. After comparing the following options, you can order directly: 1. Computer model (or equipment model), 2. Battery model, 3. Battery shape (including screw hole position, plug shape, etc.), Cross-validate and compare at least two of the above three items to avoid buying mistakes.