
Ember Temperature Control Smart Mug 2 Heated Coffee Mug With 80 Minute Battery Life
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Our take on the Ember Temperature Control Smart Mug 2 Heated Coffee Mug With 80 Minute Battery Life
The Ember Mug 2 is a battery-powered ceramic mug that holds your drink at a set temperature instead of letting it cool. You pick a temperature in the Ember app, and a heating element in the base keeps coffee or tea there for up to 80 minutes on battery, or all day on its charging coaster. It suits desk workers and slow sippers who hate reheating cups. Against a plain insulated mug, which only slows cooling, it actively reheats; the trade-offs are a higher cost, a heavier body and app dependence.
- Holds a chosen temperature rather than just slowing cooling
- Up to 80 minutes on battery, longer on the charging coaster
- App sets exact temperature and lets you save presets
- Ceramic body with a metal base looks like a normal mug
- Auto-sleeps when empty and wakes when you pour
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What reviewers say
Owners like that coffee stays at the temperature they set for a full cup, and many call it a favorite desk accessory. Complaints center on battery life falling short of the claim, the mug's weight, and hand-washing.
- Temperature controlPraisedOwners say the mug holds their chosen temperature steadily instead of letting coffee go cold.
- Battery lifeCriticisedMany say real-world runtime falls short of the 80-minute claim, especially at higher heat settings.
- WeightCriticisedReviewers find it noticeably heavier and thicker than a standard ceramic mug.
Questions and answers
- How long does the battery actually last?
- Ember rates it at up to 80 minutes on battery. Owners often report less in cold rooms or at high temperature settings, and it runs indefinitely on the charging coaster.
- Can I use it without the app?
- Yes. The mug has a touch control on its side for basic on and off, but choosing an exact temperature and saving presets requires the Ember app.
- Is it dishwasher safe?
- No. Ember says the mug is hand wash only, and the charging coaster should be kept dry.
- What temperature range does it hold?
- The app lets you set a temperature between roughly 120°F and 145°F, and the mug keeps your drink there.
- How is it different from an insulated mug?
- An insulated mug only slows heat loss. The Ember Mug 2 has a heating element and battery, so it can hold a set temperature and reheat as you drink.
- What comes in the box?
- The mug, a charging coaster and a power adapter. The coaster charges the mug and lets it run without using the battery.
















