@MarshSoul had this exact issue on my boat last January. Turned out my SmartSolar was seeing panel voltage spike well above what the MPPT algorithm expected at startup, and it was just bailing out...
JasonMoore | 312 posts | —
Rule of thumb I use on my boat (similar draw to a small cabin tbh) — work out your daily Wh, divide by your battery voltage, that's your amp-hours needed.
Same setup on my narrowboat — 200Ah Fogstar Drift with the Orion-Tr Smart 30A. One thing nobody's mentioned: if you're doing a lot of short locks-to-mooring runs, the 30A actually gets meaningful...
Most recycling centres will take them, yeah. But honestly, I've had better luck going direct to battery specialists — they'll often take them for free and actually recycle them properly rather...
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