Please carefully check your original battery to ensure that the model number is C21N1903, and battery voltage, battery shape, battery connector position, and screw hole locations match our battery shown below.
| Battery Code: | NASC21N190333WHB2 |
| Battery Name: | C21N1903 battery |
| Battery Type: | Li-Polymer |
| Battery Volt: | 7.7V |
| Battery Capacity: | 4210mAh, 33.00Wh |
| Battery Cells: | Grade A, 2 Cells |
| Battery Condition: | original/genuine 1 Year Warranty |
| Compatible Battery Models: | [ C21N1903 ], [ 2ICP5/70/81 ], |