When order the PortegeM821 laptop battery, you should open your PortegeM821 laptop, Carefully compare it with your original PortegeM821 battery, checking details such as the battery model, output voltage, connector type, and screw hole positions.
| Battery Code: | NTBPA3634U10400B12O |
| Battery Name: | PortegeM821 battery |
| Battery Type: | Li-ion |
| Battery Volt: | 10.8V |
| Battery Capacity: | 10400mAh |
| Battery Color: | Black |
| Battery Weight: | 610g |
| Battery Size: | 219x88.2x28.3mm |
| Battery Cells: | Grade A, 12 Cells |
| Battery Condition: | Brand New, Replacement Battery, 1 Year Warranty |
| Compatible Battery Models: | [ PA3634U-1BAS ], [ PA3636U-1BAL ], [ PA3636U-1BRL ], [ PABAS118 ], [ PA3634U-1BRS ], |