Replace Part Number: WJ5R2 4F5YV
Fit for: Dell Precision 3510 Series
For the new battery, we suggest that all of our customer should full charge it by AC power adapter, because takes a long period, the capacity was strain out by inner PCB circuit, in order to protect your battery life, you can full charge to 100% and drain to 1% 2 times, then the capacity will recover.