Always have batteries charged and ready to use for your high-drain devices, including game controllers, digital cameras, power tools, and remotes. The ACDelco Battery Charger fwill charge up to four AA or AAA rechargeable Ni-MH batteries in just two hours. It has four channel slots and features an LED that will indicate the proper charge and when charging is complete.Charging Time Per Battery Capacity:AA 1400mAh - 1800mAh: 1.5 - 2 hoursAA 1800mAh - 2300mAh: 2-2.5 hoursAAA 600mAh - 750mAh: 1.5 - 2 hoursAAA 750mAh - 1000mAh: 2-2.5 hoursSave the EnvironmentRechargeable batteries last four times longer than traditional batteries and can be charged up to 500 times. Not only do rechargeable batteries last longer than alkaline batteries, but using one rechargeable battery also keeps thousands of alkaline batteries from being disposed of in landfills each year.A Brand You Can TrustEveryone wants a brand they can trust. Dependable and reliable, the ACDelco brand has represented quality batteries and products since 1916.