There are 2 reviews with an average rating of
4.50
Works very quickly once water has been added to the outer pot. Checked temperature after around 10 min and found it to be 50c+ expect it to get to around 90c. Great device and system for heating water for hot drinks without having to light or carry a stove when hiking. Heat packs are difficult to get hold of as this tech is a number of years old and seems to have been ignored
The trekmates flameless flask is very good for heating water for drinks and making soup. I was surprised by how effective it has been