Maybe I am putting too much trust in the monitors, but here is what I put together.
4 100 watt panels (can’t remember the manufacturer, but definitely not cheap)
4 100 ah lithium batteries in parallel (Will opened them up on YouTube to find made by chins).
Epever tracer mppt 40a with MT50...
Hello: I have an EPever Tracer MPPT solar charge controller in my travel trailer. I have set the lithium parameters according to the setup booklet, however the major charging only takes place when batteries are under load. As soon as the load is removed, the charging drops off. This is even as...