Most compact thing to heat a cup of soup or coffee?

Skytower

Active Member
Joined
Jun 9, 2020
Messages
123
Location
Norfolk, VA
suppose that as the title of the post says, "just to heat a cup of soup / coffee", why not use a simple 12v heater ?? .. if we were to cook, or we did not have a source of energy, yes, such Maybe alcohol or compressed gas would be the best option, but having 12v at hand, a 12v heater seems like the smallest option.
View attachment 85774
Check the amp draw on that. The 12v outlet has a low fuse rating. A cig lighter adapter on a battery tender connection(SAE connector) will remedy that.
 
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