Choose the fast and reliable Energizer Recharge Pro battery charger to keep your essential devices running at maximum performance. Perfect for your most-used gadgets, like digital cameras, baby monitors, gaming controllers, wireless mice and more. This handy Energizer Pro charger charges two or four AA or AAA NiMH batteries in just four hours (times may vary by NiMH battery). Simply load up the rechargeable battery charger and plug it in for battery power when you need it. With its LED lights (red = 0-49%, yellow = 50-99%, green = 100%), and audio beep indicators, the battery charger updates you on your batteries’ charging status. It is designed with overcharge protection and a safety shut off to prevent your batteries from overcharging; maximising their performance.