FLYTEN NEW 4GVGH Laptop Battery For Dell XPS 15 9550 Series,Precision 5510 5520 M5510 M5520 Series,Fit P/N 1P6KD 5XJ28 6GTPY 12 Months Warranty

Battery was received quickly, but would not work in my son's Dell laptop. It recognized the battery, but would not charge. Dell has something built into their laptops so that it will only work with a Dell battery.