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So you think an AC synchronisation fault fried them? Interesting. Yeah I meant a 250A DC breaker. Both BMSs go into short circuit protection at the same time every time after the breaker already tripped but only if either (or both) inverters are connected. I believe the BMSs behave correctly...

Hi. I'm having the following problem. I connect light load on AC out (lights), AC generator (3kW), 16s JBD BMS with 240ah Lifepo4 batteries. The inverter will keep starting and stopping to charge every few seconds or couple of minutes at most. Relevant settings: I tried disconnecting...

Hi I just installed a second identical (consulted with seller) EASUN Axpert 8KW in parallel yesterday. The first one was working like a charm for 6 months. I have 2 JBD BMSs behind a 250A resettable fuse. Today during the day and modest solar production (9kw across 4 strings) the 250A fuse...