This CTA 1-hour Premium Charger Kit is the most powerful battery charger in the market, charging four AA or two AAA batteries in less than one hour. Specifically designed for use with today's high-tech devices such as digital cameras, MP3 players, CD players, handheld games, portable radios, and all other electronic equipments using AA or AAA batteries, it will save you a lot of money in the long run. The kit includes a switching mode adapter that accepts worldwide usage suitable for global travel, a cigarette lighter adapter to charge wile driving, and four AA 2200 mAh ultra high capacity batteries. Charge up on sweet deals from Overstock.com. Features include: Fully charges batteries in less than one hour Charges two or four AA or two AAA Ni-MH batteries at a time Dual LED Power/Charging indicators Two or four battery selection switch Batteries can be charged up to 1000 times Batteries have no memory effect Universal worldwide usage 100/240V Reverse-polarity protection Safety timer cut-off function