1 month ago I installed three 215W, and one 305W systems. Only the 305 is stable, concluding that the 215Ws are not pulling enough for the devices, which are nearly identical across all four.
I'm relatively new in solar, I was advised to run devices directly off the battery. Is there any configurable way to adjust the absorption settings to cater for these 'under-performing' 215W systems? They're staying in bulk. I've navigated around the VRM but I cannot find a setting.
In fact 2 are only staying on for a few hrs now. Are the batteries being depleted to death here?
