When order the ECS X20AI laptop battery, you should open your ECS X20AI laptop, Carefully compare it with your original ECS X20AI battery, checking details such as the battery model, output voltage, connector type, and screw hole positions.
| Battery Code: | NSPX3S404000B6 |
| Battery Name: | ECS X20AI battery |
| Battery Type: | Li-ion |
| Battery Volt: | 10.8V |
| Battery Capacity: | 4000mAh |
| Battery Color: | Black |
| Battery Cells: | Grade A, 6 Cells |
| Battery Condition: | Brand New, Replacement Battery, 1 Year Warranty |
| Compatible Battery Models: | [ X20-3S4400-C1S5 ], [ X20-3S4000-S1P3 ], [ X20-3S4400-G1L2 ], [ X20-3S4400-S1S1 ], [ X20-3S4400-S1S5 ], [ X20-3S4400-C1S5 ], |