RAYOVAC RECHARGEABLE BATTERIES LAST UP TO TWICE AS LONG AS ALKALINE, AND HELP KEEP DISPOSABLE BATTERIES OUT OF LANDFILLS. THEY COME PRE-CHARGED* AND READY TO USE, PLUS YOU CAN RECHARGE THEM UP TO 1,500 TIMES?THAT'S GETTING YOUR MONEY'S WORTH. RECOMMENDED FOR HIGH USE DEVICES.