When order the X421FA laptop battery, you should open your X421FA laptop, Carefully compare it with your original X421FA battery, checking details such as the battery model, output voltage, connector type, and screw hole positions.
| Battery Code: | NASB31N191142WHB3 |
| Battery Name: | X421FA battery |
| Battery Type: | Li-Polymer |
| Battery Volt: | 11.55V |
| Battery Capacity: | 3640mAh, 42.00Wh |
| Battery Color: | Black |
| Battery Cells: | Grade A, 3 Cells |
| Battery Condition: | original/genuine 1 Year Warranty |
| Compatible Battery Models: | [ 3ICP5/57/80 ], [ B31N1911 ], [ C31N1911 ], |