@NicolaTaylor72 had this exact problem on my static caravan setup with a Fogstar. Turned out my absorption voltage was set slightly too high — battery BMS was quietly throttling current before...
Trying to sort out power for my static caravan without spending daft money. Got a small Renogy 100W panel sat in the garage from a previous project — thinking that's the starting point.
@HighlandExplorer interested in this too — I've got a static caravan running on Pylontechs and keep eyeing up the Eco-Worthy packs.
Main thing I'd want to know is whether your Victron DVCC...
Right, here's what I've learned doing this on my static caravan setup.
The basics
Your earthing rod needs to go minimum 1.5m into the ground — deeper if your soil's poor.
Matching's crucial but don't sleep on the wiring either. I've got two 200Ah LiFePO4s in parallel on my static caravan and used proper 35mm² cable with equal lengths to each cell — even a few...
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