Glad I found Sailnet
Join Date: Jul 2008
Thanked 51 Times in 50 Posts
Rep Power: 8
I wouldn't be too afraid of the battery drain. Unless you are cooking a turkey, you're probably like most people and use it for a few minutes at most.
I connect the microwave to an inverter (1500 watts inverter) and it works well. The inverter should come with very heavy wire. Use it. The current draw over those few minutes can be massive. I think you can get inverters at Walmart.