This is a brand new Panasonic CF-VZSU29U battery for ToughBook CF-29.
This CF-VZSU29U battery is compatible with the CF-29, CF-51, CF-52 and part numbers with the "CF-VZSU29" prefix.
The superior battery cells inside provide longer run times and longer service life than cheaper batteries. You can tell cheap, lower quality batteries by their low mAH ratings and super low prices.
This CF-VZSU29U battery is typically rated higher than 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 2 Year warranty.