Re:Concession trailer build advise needed for equipment
you should check with local laws, in NYC you need to have a hood even for a steam table, if that steam table is run by LP, this is due to the fact that it still has an open flame. The crock pots would most likely not have a huge impact but as long as you have an open flam you might need a vent. As far as your original question, by using a triple bank of deep cycle marine batteries connected to an additional inverter assembly, and a 10-20 amp charger connected to the generator, you might be able to reduce your power demands on the generators themselves and accomplish your goals. for example, the lighting in the truck should be able to be run by this, as well as other small electrical devices.