【2000W Portable Electric Stove-Plug in】This portable electric cooktop has 2 burning zones with 2000W. Each burner can reach a maximum of 1600W. The power sharing function will automatically ...

So, why not use two butane canisters to double the output to 22,200 BTUs! After a few modifications to the portable stove and it was able to accommodate a second burner neatly within the original.