When order the M509BA-EJ021 laptop battery, you should open your M509BA-EJ021 laptop, Carefully compare it with your original M509BA-EJ021 battery, checking details such as the battery model, output voltage, connector type, and screw hole positions.
| Battery Code: | NASB21N181832WHB2-TYPE-B |
| Battery Name: | M509BA-EJ021 battery |
| Battery Type: | Li-ion |
| Battery Volt: | 7.6V |
| Battery Capacity: | 4212mAh, 32.00Wh |
| Battery Color: | Black |
| Battery Weight: | 160g |
| Battery Cells: | Grade A, 2 Cells |
| Battery Condition: | original/genuine 1 Year Warranty |
| Compatible Battery Models: | [ B21N1818 ], [ 2ICP6/61/80 ], |