Keep your running system , just add some plexi glass cover at least one of you AC busbars. Prevents fatal accidents with Broomstick Wifes.
Only then I would probably choose an extra charge- inverter unit with some supported batteries and add it parallel on your main AC.
Each AC inverter just...
I have no experience with such a BMS, but probably there are two effects at the same time. First, the connection of bat 4 has an Issue, and second you the BMS balancing in action and that's why the bat1/2 showing high voltage.
Where did you measure with the voltmeter? Directly on the battery or...
Probably just making a shield and connect it on the busbarmounts or the busbars itself with some distant screws, kind of the style a motherboard is mounted. You could access from the sides then
Hi, based on my experience with a smaller but similar setup, would be to scale down your PV in relation to the battery. Or install 2 inverters (ie. 2x SMA SB 6.0 ) for that and find a smart way to burn of any excess energy on-the-fly.
Don't expect full cycles on your battery when you rly want...
From my experience one big limiting factor of gardening in the cold season is the lack of sunlight. I m not sure what's the purpose of your greenhousebut productivity might lack.
that depends on your location heavily of course as well. Probably one approach would be to reduce the covered areas...