The towee could carry an additional battery. Probably not hard to link it with a cable to the tower.
RV trailers like that are coming to market, seems like a good solution. e.g.
https://pebblelife.com/
https://www.evotrex.com/
https://www.aboardrv.com/
An additional perk for these is you now have a large battery to power appliances in the trailer.
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RV trailers like that are coming to market, seems like a good solution. e.g.
https://pebblelife.com/
https://www.evotrex.com/
https://www.aboardrv.com/
An additional perk for these is you now have a large battery to power appliances in the trailer.