We swapped out the Harris batteries for some deep cycle group 29 ones from Walmart ($99 each) and added a 1500 watt inverter I also run a 400 watt inverter from the same batteries. We can run all the TVs which each have a Roku attached. We run single items like a coffee pot, a small popcorn popper, the wife's hair dryer on low and a toaster. Works well beyond our expectations.
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