This Wild Badger Power 40V 2.1A Cordless Fast Charger can be used to power compatible string trimmers, leaf blowers, pole saws, lawn mowers, chainsaws and snow blowers. Reliable customer service 3-YEAR Warranty: If you encounter any quality problems over the life cycle of our product, please contact us in time. Badger warrants this product against defects in material and workmanship for a period of three (3) years for home use and commercial use commencing on the date of original purchase and will, at its option, repair or replace, free of charge, any part found to be defective in material or workmanship.