Dave Mc@exador23 in my (European) van, I don't have an inverter. I've got a 280Ah lithium battery. But I cook and heat with gas. I've got a few USB C PD outlets wired into the 12v battery means I can charge a 15" laptop at 30 watts, which is just enough to slowly gain battery while I'm playing light games. I don't have anything on mains.
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