If you travel without reliable access to a kettle, choose a self-heating electric model.

Dual-compatible machines are more flexible, while capsule-only models can be faster and cleaner.

Cold-water heating uses far more battery than brewing with preheated water. Check how many cold starts a charge can realistically support.

Marketing pressure numbers do not tell the whole story. Basket design, dose, grind quality and temperature matter to the final shot.

A car-camping brewer can be larger and heavier than a backpacking brewer. Match the machine to how you actually travel.

Look at how many wet parts need rinsing after each shot, especially if you plan to use it in a car, office or hotel room.