M18 Battery Adapter for the Milwaukee Packout™

Keep your Milwaukee M18 batteries locked in and ready to go with this Twist-Lock Battery Holder. Designed to twist and lock straight onto the top of your Packout box, it keeps your batteries secure and frees up space inside your kit.

Built to Handle the Heat

Made from carbon fiber nylon, this holder can withstand extreme conditions, including temperatures up to 186°C (366°F). It won’t melt, warp, or crack, even in direct sunlight or hot jobsite environments.

Features: 

• Quick & Easy Twist-Lock – Just like the Packout tumbler, twist to lock in place.
• Fits Any M18 Battery – Holds any size AH battery securely.
• Max Storage – Mount up to 8 batteries on a full-size Packout or 4 on a compact Packout.
• Tough as Nails – Made from carbon fiber nylon, it's strong, heat-resistant, and built to last.
• UV & Weather Resistant – Won’t crack, warp, or fade, even in the sun.

Built for tradies who need gear they can trust, this holder keeps your batteries secure, accessible, and out of the way.