One of those tin covered heat shield blankets. Never used one, but they are made for survival. So you should survive lol
A good sleeping bag and some extra blankets. Maybe some of those glove warmers for the feet. I wouldn't run a heater inside the car.
A good sleeping bag and some extra blankets. Maybe some of those glove warmers for the feet. I wouldn't run a heater inside the car.
Hmmm.... I wonder, if you had a good, independent 12v or 24v marine battery and you took a few 12v seat heaters and put them in some sort of camping pad, how long would that battery last?
Probably not long enough. What's the amp draw on your seat heater and the amp-hours on your battery?