The charger works great and handles AA and AAA batteries with ease, even at the same time. I have not tried 9V, C or D cells yet, but it looks like they would be just as easy to put into and take out of the unit. The main thing I like is it will charge any brand of NiMH battery I've thrown at it. The fist NiMH charger I purchased (and returned) would only charge one brand of battery.
I purchased this flat Impecca USB charger because it fits "Flat" in my camera bag accessory pocket. It does not create a hump in the accessory pocket like the ***** factory USB Charger. Since it is a dual charger, the wife does not have to take along that grubby ***** factory USB Charger, which makes her flat iPad case look like it is pregnant. It charges my iPod Touch 5th Gen and her iPad 2 easily.
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