This Dell PP35L battery is compatible with the Studio XPS 16 1640 1640n 1645 1645n laptop models.

Li-ion batteries are not subject to the memory effect common with older battery technology. This means you can recharge your laptop any time without diminishing your battery capacity. This laptop battery replacement is typically superior to the original battery and is 100% compatible with your Dell Studio XPS notebook computer. The Dell PP35L battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 2 Year warranty.

You can expect about 2 - 3 hours of run time with this Dell PP35L battery when new, depending on your energy use.

This PP35L battery replaces the Dell Studio XPS 16, 1640, 1640n, 1645, 1645n, 1647, 1647n series laptops.