Here is a battery powered coffee maker that uses air to brew your coffee. It can make you hot coffee or fast cold brew coffee in a couple of minutes. The VacOne Air Brewer can make up to 14oz of coffee and up to 100 cups on a single charge. It has a handmade borosilicate glass carafe. It has a reusable metal mesh filter.
To get started, simply add 4 scoops of ground coffee, pour enough water, stir and wait for a minute or 4 depending on the type of coffee you want. For hot coffee, water temperature around 200F is recommended.