Please carefully check your original battery to ensure that the model number is C31-X402, and battery voltage, battery shape, battery connector position, and screw hole locations match our battery shown below.
| Battery Code: | NAUC31X40244WHB6 |
| Battery Name: | C31-X402 battery |
| Battery Type: | Li-Polymer |
| Battery Volt: | 11.1V |
| Battery Capacity: | 4000mAh, 44.00Wh |
| Battery Color: | Black |
| Battery Weight: | 234g |
| Battery Size: | 288.40 x 66.80 x 7.40mm |
| Battery Cells: | Grade A, 6 Cells |
| Battery Condition: | original/genuine 1 Year Warranty |
| Compatible Battery Models: | [ C31-X402 ], [ C31X402 ], [ 0B200-00300200M ], [ X40PW91 ], |