Please carefully check your original battery to ensure that the model number is W840BAT-4, and battery voltage, battery shape, battery connector position, and screw hole locations match our battery shown below.
| Battery Code: | NCLW840BAT2950B4 |
| Battery Name: | W840BAT-4 battery |
| Battery Type: | Li-ion |
| Battery Volt: | 15.12V |
| Battery Capacity: | 2950mAh, 44.60Wh |
| Battery Color: | Black |
| Battery Weight: | 230g |
| Battery Size: | 274.86 x 28.34 x 20.75mm |
| Battery Cells: | Grade A, 4 Cells |
| Battery Condition: | original/genuine 1 Year Warranty |
| Compatible Battery Models: | [ W840BAT-4 ], [ 6-87-W840S-4DL1 ], [ 6-87-W840S-4DL2 ], |