Here's a rugged coffee maker that runs off power tool batteries - The Verge
Makita - Coffee Makers; Coffee Maker Type: Hot Water Kettle; For Use With: Makita LXT Platform; Material: Stainless Steel; Plastic; Color: Teal; Single Serve: No; Overall Length: ; Overall Width: ; Overall
Makita Cordless Coffee Maker | World of Power Blog
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