Description Energizer’s Universal AA & AAA Battery Charger is one of the most recommended products on the market when it comes to charging rechargeable batteries. This product is compatible with both AA & AAA batteries, two of the most common batteries for any device. Purchasing rechargeable batteries can save you a ton of money and this charger is a great investment. Energizer’s Universal Charger can recharge up to 4 batteries at the same time. Charger Status Indicator on the device will let you know when your batteries are fully charged with visual and auditory alerts. It will also stop charging batteries once they are full to save power and preserve battery life. The charger will even detect defective batteries. Energizer is compatible with all AAA and AA NiMH rechargeable batteries.
