Spot on about avoiding the central hub problem. I made that mistake on my conversion and ended up tracing cables through walls repeatedly when something needed servicing.
What worked better for me...
I'd add that the voltage mismatch is where MPPT earns its keep. Running 48V lifepo with undersized panel strings? MPPT tracks the optimal point across your entire array voltage range.
The real value play depends on your use case, honestly. For motorhome duties I've been running two Fogstar 5.12kWh units stacked in parallel for about eighteen months now—solid performance, though...
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