Running a Victron SmartSolar 100/20 on my narrowboat and the mast shadow sweeps across my two 100W panels (wired in parallel) pretty much every afternoon.
On my boat I run a Renogy 40A DC-DC alongside a Victron MPPT and honestly the key thing nobody's flagged yet — watch for both sources hammering the battery simultaneously when it's deeply...
Been on my narrowboat full-time for about 18 months now and the winter months are genuinely tricky. Running 400W of panels (two Renogy 200W) into a Victron MPPT 100/30, feeding a 200Ah Fogstar...
@SueThompson yeah had exactly this on the boat last winter. Cold slows the lithium chemistry down so internal resistance spikes, BMS sees a voltage sag under load and trips on low voltage...
@HazelSoul same boat (literally) — had the same thing last winter with mine. What made a noticeable difference was insulating the battery compartment with some cheap closed-cell foam.
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