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This is what I have set up.
It will drive 2 laptops, EQ6, camera cooler and clock for about 12 hours.
I have battery and inverter mounted in the van and I run a 10m cable loom to the rig.
Century N70T 100aHR Deep cycle battery. Very heavy, that's why it stays in the van.
2kW pure sine wave inverter.
Also have large 160W solar panel on the roof.
The 12v cable needs to be at least 6mm because of voltage drop (essential).
USB extensions must be powered.
I don't think this system is overkill. I had tried using a small car battery and it failed halfway though the night.
Better to make the system 100% reliable.
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