You don't necessarily have to have a battery on your trailer if you are using a dual fuel generator like the etrailer # 333-0005.
You just need to be sure that the draw of all of your electrical products does not exceed the output of your generator and that you have enough fuel to last your camping trip.
For example, the generator mentioned above has a surge power output of 4,500 watts when using gas and 4,100 watts when using propane. The running power output is 3,600 watts gas and 3,300... view full answer...
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