- Will it heat a cold cup of coffee?
- Only slowly. It is a warmer, not a brewer: expect 10 to 15 minutes to bring a drink to about 125°F to 131°F, and it will not make cold coffee hot.
- What kind of mug works best?
- A thin-walled mug with a flat bottom makes the best contact with the glass plate. Thick ceramic mugs and tall stainless tumblers block heat and stay cool.
- Does it turn off by itself?
- The gravity switch cuts power when you lift the mug off the plate. There is no timer or adjustable thermostat, so it stays on while a mug sits on it.
- How does it compare with a 20-watt warmer?
- Stronger warmers reach higher temperatures and often add temperature dials or auto shut-off. This one runs cooler and simpler, which suits slow sippers but not anyone who wants hot coffee.
- Can I use it for tea or cocoa?
- Yes. It holds any drink at the same low warmth, though milk-based drinks should not sit on it for hours.
- Does it need a special outlet?
- No. At 16 watts it draws very little power and plugs into a standard outlet.
- Where is the Temu Self-Heating Coffee Hot Beverage Warmer cheapest?
- At Temu, for $61.99, as of our latest check.