Adafruit Waterproof 3xAA Battery Holder with On/Off Switch

Keep your power source secure and dry with these waterproof 3xAA battery holders. They're engineered for resilience, featuring a protective rubber gasket and assembly with four machine screws.This design includes captive hexnuts for repeated assembly and disassembly without wear. A potted power switch and press-to-toggle rubber boot ensure easy operation.Compatible with both alkaline and rechargeable batteries, it delivers a reliable 4.5V output. Pair with waterproof DC power plugs and enhance protection using heatshrink on solder connections.Note: Power cables are not polarity marked. Use a multimeter for polarity verification during setup. A 2xAA version is also available for a more compact solution.