We're sorry to hear you are having issues with the battery/edger. We would recommend bringing the edger, charger, and battery in to an independent authorized service location near you to be inspected. Rest assured, we stand behind our products 100%, and know the service location will be able to determine the issue, and make any necessary repairs/replacements. To find your nearest authorized dealer, please use our locator: (Toro.com/Locator). Thank you.