PC764 Laptop Battery Replacement for DELL D620 D630 D631 D640

Replace Part Numbers:
JD775 JY366 KD489 KD491 KD492 KD494 KD495 NT379 PC764  PC765
JD606 TC030 TD175
Compatible Laptop Models:
Replacement For DELL D620 D630 D631 D640 Series

Installation and usage instructions:

1. Before replacing the battery, be sure to turn off the power first and then remove the charger plug. Replacing the battery during the startup process may pose a safety hazard.
2.After removing the original battery, press the power button continuously for 10 seconds without releasing it. Release the remaining power and static electricity on the motherboard before replacing the new battery.
3. Before installing a new batter
y, confirm the positive and negative poles of the battery, especially the built-in battery, and be careful not to plug it in incorrectly.

Regarding Capacity:

Lithium batteries are consumables, and it is normal for their capacity to fluctuate by around+5% due to factors such as inventory time and usage environment.