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I've added a SC48120-MPV stand alone solar charge controller to my existing SPF 12000T DVM MPV Growatt 12K Inverter so i can add even more panels. Charging works fine but I'm trying to figure out how to get the new SCC to speak/report with/to the main inverter. Seems like I require an RS485...

My 8000T begins beeping twice per second when the battery falls below the 49v setting. Once it rises above 49v, the beeping doesn't stop. How do I reset that so it stops beeping? I've power cycled the PV, inverter and cut all battery power once it rises above 49v, but the beeping persists.

Has anyone seen one of these? Very interested in first hand impressions https://www.epsolarpv.com/upload/file/2104/EPEVER-Datasheet-UPower-Hi.pdf

I have need for a small 48V BMS to balance a 25Ah, 48V 7P, 14S 18650 pack with a 110w solar charge and a 20w constant load. Max amperage is <3A so a 5A BMS would be plenty. Does anyone know of a 48V, 5A BMS or 14S, 4.2V active balancer that would keep my pack happy without overspending or...

I am interested in utilizing the relay trigger circuits but am finding it difficult to determine what relay to use. If anyone else is using these circuits, either secondary power input (AC or DC) or primary and secondary load disconnect, what relay are you using? I want to connect 2 110ac 24vdc...

In conservatively cycling lifepo4 batteries, would cycle life be higher, same or lower if you cycled between 100% and 50% SOC, as opposed to 75% and 25% SOC?

I've had this controller since 9/2019 and recently upgraded my battery bank from sealed lead acid to LiFePo4. The changeover was a bit nerve-wracking, but it all went fine after a couple of restarts. Now, i've chosen my operating voltages, but the controller is ignoring them. I wanted the...