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That's likely what I need ... (improved charging logic in parallel) .... thanks a bunch! I (finally) found the V3.37 download doco & binc file and will upgrade all batteries to V3.37 tomorrow. God willing ....

Not using Comm Hub. I haven't seen (or understood) any substantive reason to do so ..... All 12 of my batteries are on firmware V3.32 --- updated on 9/23/23. Call me a dummy, but I seem to have trouble finding current info on the GA firmware releases (Inverter, batteries, LCD)...

Forgive this delayed reply! Just too much going on, and I'm behind on reading the Forum. Quick Answer: YES ... problem resolved ... SS replaced my 18Kpv with a new one .... and it works (nearly) perfectly. Kudo's to SS for being forthcoming and honoring the Warranty so quickly. I've...

None ... not in EVERY state.

Well ... I sure think so, several times. Now -- my understanding is that a complete Inverter shutdown (batteries, PV, load disconnected ... Inverter down) --- will effect Reboot on the Restart. If I'm wrong about that ....

Thank you .... the 18Kpv is at release A1.0 (Build version fAAB-1312). I've asked Sig Solar if this is the latest GA (Generally Available) release, and they say "You bet". I'm doing more checking now ....

I'm posting as a Newbie even though I've run my off-grid system for a couple months already. I'm an old EE with tons of industry experience, but have found out that this means I'm still a dummy on Solar stuff. I'm running with about 10KW of PV input, 60 KWH of batteries (EG4 LiFePo4) ...