This is a brand new Genuine Panasonic CF-VZSU71U battery for CF-31 MK1 MK2, the CF-52, and the CF-53 MK1 MK2 ToughBook computer. You can double check you have the correct battery by looking at the original battery and locating the Fujitsu battery part number. it should match with one below. Don't see yours? Go to our Panasonic ToughBook battery page.
The superior Panasonic cells inside the battery cartridge will provide longer run times between charges as well as a longer service life than cheaper batteries.
This Panasonic ToughBook CF-31 battery replacement is typically superior to the original battery and is 100% compatible with your Panasonic ToughBook. Each battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 6 month warranty.
You can expect about 10 hours of run time with this computer battery when new, depending on your energy use.
This battery works with the Panasonic ToughBook CF-31, CF-52, CF-53 series laptops.