Review on Wireless Smart Coffee Warmer with Qi Charging - Desk Cup Warmer for Home Office, Beverage, Coffee, Tea, Milk - Heat Drinks with Wireless Charger and Coffee Mug Warmer by Deb Wilkes

Like other chargers and hand warmers, I assumed this mug warmer/phone charger would store the charge so you could use it where there isn't an outlet, but I got there to learn more about it requires constant power to work. My mission is to find a wireless mug warmer that I can use when I'm not near an outlet, but searching the internet has so far been a futile exercise. I can't believe something like this hasn't been invented yet - what a great idea for a start-up company.