I have a fully off grid system with 110 kWh of batteries and 3x multiplus 2 15000 kva , the usage requires about double that . Unfortunately the battery manufacturers have stated unequivocally that they do not allow additional batteries in paralle and we have maxed out their battery system ( the batteries had enough problems and the company sent technicians from China to fix it ,so I don’t wish to risk the warranty doing something unapproved ).
The property absolutely needs more batteries .
A local victron dealer also is a deye dealer , he said we can ac couple a deye with it’s own battery bank onto the ac output of the victron system .
Any thoughts ?