'Recharge batteries like a pro with the Energizer Recharge Pro Charger. This smart battery charger quickly and effortlessly charges 2 or 4 AA or AAA rechargeable batteries in 4 hours*. This handy device updates you on your batteries status, thanks to its state-of-the-art LED red, yellow, or green lights and audio beep indicators. Equipped with advanced safety features like overcharge protection and auto shut-off to maximize battery performance, this Energizer Battery Charger delivers a worry-free charge. Stay fully charged with the impressive and reliable power of Energizer, the long-lasting rechargeable battery brand you trust. Specs at a Glance: 4 charging channels charge 2 or 4 AA or AAA NiMH batteries Comes with four (4) 2000 mAh NiMH 1.