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8 x AA battery holder with 5.5mm/2.1mm Plug and On/Off Switch : ID

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WMYCONGCONG 5 Pcs 2.1x5.5mm DC Male Connector 8x1.5V

WMYCONGCONG 5 Pcs 2.1x5.5mm DC Male Connector 8x1.5V

Power The Pi Hut

Adafruit Industries ADA449 8 x AA Battery Holder

WMYCONGCONG 5 Pcs 2.1x5.5mm DC Male Connector 8x1.5V

10Pcs/Lot DC Power Jack Female Connector 12V 5.5*2.1mm 3.5x1.3mm

10pcs 12V 8x1.5V 8xAA 8*AA Battery Holder Box Case DC 5.5 x 2.1mm

Make a portable power brick with plenty of juice! Use Alkaline AA's for a 9V 3000-4000mAh power supply, or rechargeable NiMH for 2000mAh 7.5V supply.

6 x AA battery holder with 5.5mm/2.1mm plug

Here's yet another addition to our family of AA battery holders. It's a holder for five (5) AA batteries, with 5 wire leads. It's black and has a 2.1mm barrel plug (tip positive). 5 x AA battery packs are best used with Arduino-compatibles and other dev boards with 2.1mm DC jacks and a 5V regulator, because 5V regulators tend to like 1-2V of overhead. 4 x AA battery holders would give you ~6VDC, which is just a tiny bit too low.

Adafruit Industries ADA3456 5 x AA Battery Holder with 2.1mm DC Jack