Muggy is one heavy beast; I say 30C 5000mah and at least 5S: http://www.hobbycity.com/hobbycity/s...idproduct=8589

Better yet, 6S and gear a bit lower (no more than 50mph) to keep things cooler: http://www.hobbycity.com/hobbycity/s...idproduct=8590