When order the D640 laptop battery, you should open your D640 laptop, Carefully compare it with your original D640 battery, checking details such as the battery model, output voltage, connector type, and screw hole positions.
| Battery Code: | NACAS57417800B9 |
| Battery Name: | D640 battery |
| Battery Type: | Li-ion |
| Battery Volt: | 10.8V |
| Battery Capacity: | 7800mAh |
| Battery Color: | Black |
| Battery Weight: | 443g |
| Battery Size: | 270.90 x 51.00 x 38.80mm |
| Battery Cells: | Grade A, 9 Cells |
| Battery Condition: | original/genuine 1 Year Warranty |
| Compatible Battery Models: | [ AS10D31 ], [ AS10D41 ], [ AS10D61 ], [ AS10D31 ], [ AS10D71 ], [ 934T2078F ], [ AS10D75 ], [ AS10G3E ], [ AS10D81 ], [ AS10D51 ], [ BT.00603.111 ], [ BT.00606.008 ], [ BT.00607.125 ], [ BT.00607.127 ], [ AS10D73 ], |