Practical? Yeah, but depends on your setup and driving habits. I've got 6kW on the boat and charge when conditions are decent—works brilliantly May through September, nightmare in winter.
With 8kW...
Mate, I've got Home Assistant running on a solar-powered cabin setup and honestly it's a mixed bag. The trick is being ruthless about what you actually automate.
Got LiFePO4 in my boat setup now, absolute no-brainer for me. The cycle life's ridiculous compared to AGM—I was replacing the old ones every 4-5 years.
Got a Fogstar unit on my boat setup and it's a game-changer. Beyond the safety stuff, it balances your cells so they age evenly — massive over a few years.
@CornishBoater good question. I use a cheap multimeter on the battery terminals while running high-draw stuff—kettle, inverter under load, whatever. Just watch the voltage drop in real time.
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