Big job Never run low on power keep an extra Bass Pro Shops XPS Lithium-Ion Fillet Knife Replacement Battery on hand. Charge one battery while the other is in use to allow for continuous slicing and filleting. With its triple-battery technology, which provides more than 2 hours of continuous run time, this advanced battery pack will allow you to slice up a huge quantity of fish or wild game without the hassle of a cord. Typical charge time is usually 2 to 3 hours. Compatible with Bass Pro Shops XPS Lithium-Ion Battery-Powered Fillet Knife. Manufacturers 1-year limited warranty. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Fillet Knife Battery.