This is a brand new HP Pavilion dm1-4000 dm1-4100 dm1-4200 premium grade replacement battery. This battery fits all the HP machine models from dm1-4000 through dm1-4299. The superior South Korean cells inside the battery cartridge will provide longer run times between charges as well as a longer service life than cheaper batteries.

This battery is typically superior to the original battery and is 100% compatible with your HP notebook. The battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 2 Year warranty.

You can expect about 4 - 5 hours of run time with this HP Pavilion DM1-4000 battery when new, depending on your energy use. The higher capacity battery cells inside this cartridge have an energy capacity of 66 Whr.

This battery replaces the HP Pavilion dm1-4000 dm1-4100 dm1-4200 series laptop batteries and additional machines which are listed at the extreme bottom of this web page.