Hello everyone,
I'm new in this. My friend has an off-grid system consisting in:
50 REC310PE 310 watt solar panels.
One Growatt SC48120 solar controller
One Growatt SPF 12000T DVM Inverter
Four Gyll FullLife Power4 lithium 48v 100AH batteries
Two FullLife Power4 lithium 48v 100AH batteries
The...