Makita DCM501Z - 10.8V, 14.4 or 18V battery powered coffee machine (without battery or charger)
Here's a rugged coffee maker that runs off power tool batteries - The Verge
Amazon.com: Makita DCM501Z 18V LXT® / 12V max CXT® Lithium-Ion Cordless Coffee Maker, Tool Only : Home & Kitchen
Total Tools Penrith - Coffee & Makita 💙 • How sweet is the new Makita coffee machine ☕ • Compatable with all Makita slide battery platforms so you never have to go