{"title":"3 x AA Battery Holder with 2.1mm Plug","handle":"3-x-aa-battery-holder-with-2-1mm-plug","url":"/products/3-x-aa-battery-holder-with-2-1mm-plug","description":"A compact battery holder for three AA cells with an integrated power cable and DC barrel jack. The series configuration delivers approximately 3.6–4.5V depending on battery chemistry, making it a convenient power source for 3.3V microcontroller projects and portable electronics.\n\nThe 200mm power cable terminates in a 2.1mm DC jack (centre-positive polarity), ready to plug directly into Arduino boards and other devices with a standard DC barrel input.\n\nKey Features\n\n\n3× AA Series Configuration – Outputs ~4.5V (alkaline) or ~3.6V (NiMH)\n\nDC 2.1mm Barrel Jack – Centre-positive polarity, compatible with Arduino and similar boards\n\n200mm Power Cable – Provides flexible placement away from your project\n\n\nSpecifications\n\n\nBattery Type – 3× AA (not included)\n\nOutput Voltage – ~3.6V (NiMH) to ~4.5V (alkaline)\n\nConnector – DC barrel jack, 2.1mm ID, centre-positive\n\nCable Length – 200mm\n\n\nIdeal For\n\nPowering Arduino and 3.3V microcontroller projects\nPortable electronics and sensor nodes\nReplacing LiPo batteries where recharging isn't needed\n\n\nPackage Contents\n\n1× 3-Cell AA Battery Holder with DC 2.1mm Plug\n\n\n\nWarning: Do not connect this holder to LiPo/Li-Ion charger boards — AA batteries are not rechargeable via these chargers and may leak or overheat.\n","vendor":"Adafruit","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":5975,"title":"Default Title","sku":"AF-3842","price":6.27,"on_sale":false,"in_stock":true,"available_quantity":54,"option1":"Default Title"}]}