Here’s another addition to our growing family of AA battery holders. Behold! A holder for four (4) AA batteries! It’s got a 5″ long power cable with a 5.5/2.1mm DC jack at the end, an On/Off switch, and, oh yes, it’s in classy Adafruit black.
4 x AA battery packs are best used with development boards with 2.1mm DC jacks and are happy with ~4.8V (4 x NiMH) to 6V (4 x Alkaline).
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