Description: Rayovac rechargeable batteries and chargers allow you to reduce waste and save money. Keep disposable batteries out of the landfills and save hundreds of dollars when you use rechargeable batteries versus alkaline. The Rayovac USB charger can charge any 2 AA or 2 AAA NiMH or NiCD batteries from a computer or any standard USB hub. This charger includes two AA Rayovac NiMH low self discharge batteries that come pre-charged and ready-to-use. The Rayovac USB charger is small and portable so you can carry it with you and recharge when your batteries run low. Rayovac offers your best value in rechargeable power for high drain devices.