when i replaced my two 12v batteries up front with four 6V golf carts, I can attest that it is quite a feat. And, I am a little embarrased to say i didn't even think of going the grill route...hmmm.
2004 Ultra Supreme Class A 30'
- Added hard-wired Pro-Sine 1000 Inverter
- Converted batteries to 4x6V from 2x12V
- Added Bully air-horn
- Added Safe-T-Steer