Dec 13th 13 6:18 pm
Posts: 15
Joined: Nov 6th 13 7:58 pm
Location: Israel, Tel-Aviv

Cup USB Electric Warmer. its real work?

by A1ex » Dec 13th 13 6:18 pm

I intersting buy this product
http://goo.gl/xt06yf.

I want to know if its real keep warm the tea?

thanks

Mar 28th 14 9:23 pm
Posts: 4
Joined: Mar 27th 14 2:49 am
Location: Baltimore, MD

Re: Cup USB Electric Warmer. its real work?

by qianli » Mar 28th 14 9:23 pm

Theoretically speaking it would not work. It is rated at 2.5 W, which means it can only increase the temperature of 250 mL water by 1 degree C in 7 minutes. And that is in ideal conditions with no heat loss.