The GoinMug Travel Mug Insulated heats water to 100°C (212°F) in approximately 25 minutes when connected to a 12V or 24V power source. Heating time may vary slightly based on initial water temperature and ambient conditions.

No, the GoinMug Travel Mug Insulated requires your vehicle's engine to be running to provide adequate power through the cigarette lighter outlet. Once heated, you can unplug it and use it as an insulated thermos to maintain temperature.

Yes, the mug features a sealed, spill-proof design with one-touch operation for safe use during travel. However, always ensure it's securely placed in a cup holder and avoid opening while driving. Let it cool slightly before drinking to prevent burns.

Error code E04 indicates dry-burn protection has activated. This means the mug detected insufficient water inside. Simply add water (leaving 3cm from the rim), ensure the cup is properly seated, and restart the heating process.

Yes, you can heat coffee, tea, milk, soup, or other beverages. However, avoid heating thick liquids or those with high sugar content that might stick to the bottom. Always clean thoroughly after heating beverages other than water.

Hand wash the interior with warm water and mild dish soap after each use. The smooth 304 stainless steel surface resists staining and odors. Ensure all components are completely dry before reassembling. Do not submerge the electrical base.

Absolutely! The GoinMug Travel Mug Insulated features automatic 12V/24V voltage conversion, making it compatible with cars, trucks, RVs, buses, and boats. The universal design works with any vehicle equipped with a standard cigarette lighter outlet.

The GoinMug Travel Mug Insulated has a 500ML (approximately 17 oz) capacity, perfect for individual servings. For optimal performance and safety, fill water to about 3cm below the rim to prevent overflow during heating and boiling.