Moose, "Seems like a lot of power to me from one original ciggy lighter" ..
Actually that's sounds like a lot, but devices aren't really taking ampers that much. Rear socket gives about 6A for those devices, and front socket would give about 5A for devices connected to it.
Alanwalne, "Perhaps you will also need the battery and alternator off a diesel

"
...great idea

..
