When order the M509BA laptop battery, you should open your M509BA laptop, Carefully compare it with your original M509BA battery, checking details such as the battery model, output voltage, connector type, and screw hole positions.
| Battery Code: | NASB21N181832WHB2-TYPE-B |
| Battery Name: | M509BA 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 ], |