Runtime by power station size: Coffee maker (drip)
| Power station size | Typical runtime | Realistic range |
|---|---|---|
| 300 Wh | 17 min | 0.2–0.4 h |
| 500 Wh | 28 min | 0.4–0.7 h |
| 1,000 Wh | 57 min | 0.7–1.4 h |
| 1,500 Wh | 1 h 25 min | 1.1–2.1 h |
| 2,000 Wh | 1 h 53 min | 1.4–2.8 h |
| 3,000 Wh | 2 h 50 min | 2.1–4.3 h |
Coffee makers are heaters
Almost all the power a coffee maker uses goes into heating water. That makes the draw high but short. Like a microwave, the station's output rating decides whether it works; the battery size decides how many pots you get.
| Method | Draw while heating | Energy per brew |
|---|---|---|
| Drip coffee maker, full pot | 600–1,200 W | about 100–200 Wh |
| Single-serve pod machine | 1,200–1,500 W | about 30–60 Wh per cup |
| Electric kettle, 1 liter (for pour-over or French press) | 1,200–1,500 W | about 100–120 Wh |
Heating a liter of water from tap temperature to boiling takes about 0.1 kWh, whatever appliance does it. Methods that heat only the water you drink use the least.
The warming plate is the hidden battery drain
After brewing, a drip machine's hot plate keeps cycling on to hold the pot warm, and it can quietly use as much again as the brew itself over an hour or two. Pour the coffee into an insulated flask and switch the machine off. Pod machines that keep their tank hot between cups do the same, so turn them off between uses.
Which power station do you need?
- Drip machine: 1,000 W or more of continuous output, more for 1,200 W models. Check the label on the base.
- Pod machine or kettle: 1,500–1,800 W or more. These are among the hardest small appliances for a power station.
- Small station? A low-wattage travel kettle or a 12 V kettle is slower but works on much smaller stations.
See which models qualify on the power stations page, or check everything you plan to run at once with the inverter size calculator. Don't brew coffee while the microwave or another heater is running: their watts add up.