Duracell Ion Speed 4000 Battery Charger for AA and AAA batteries recharges your batteries in 4 to 8 hours with 4000 mW of charging power, based on charging AA batteries to approximately 90% of full charge, when using Duracell 1300 mAh or up to 2500mAh (included) 2xAA NiMH Batteries. You can recharge 2 or 4 AA and AAA NiMH batteries from any brand at a time. Ideal for video game controllers, wireless electronics, baby monitors, and other heavy-use devices, Duracell Rechargeable Pre-Charged NiMH batteries let you charge hundreds of times, helping you save money. Plus, they are already charged and ready to use. Duracell Rechargeable batteries are guaranteed to last for 10 years or 400 recharges, whichever comes first, and will hold a charge for up to 1 year when not in use. These powerful NiMH batteries work in any NiMH charger, and you can recharge them up to 400 times. From storm season to medical needs to the holidays, Duracell is the #1 trusted battery brand.
