dmartarch
New Member
I am installing 8-235W panels=1.8kw on a tiny home. 3000w Growatt inverter with 5000w auto-transformer wired "step-up" for 240v leg with 3-100amp batteries made up of 16-3.2vx100 calb batteries. Plan is for batteries to be parallel for 300amps of supply. I have one bank built with a active balancer on it now. Will install a 100a BMS this next week and a 125a circuit breaker after the BMS with 6g wire from BMS to CB and 4g wire to inverter 10' away. Will add the other two banks in near future once i get everything running.
Loads 23amp electric dryer
Refrig 6 amp
Mini split 7 amp
window unit 6 amp
Questions
what sort of fuses, wiring/busbar arrangement should i use to protect this system and is wire size ok? Do i need diodes for backfeed?
It seems the Growatt only talks to 1 bank so how can i set it up to charge my batteries. It has option with no BMS. I guess that might work to just supply all the batteies at once and let each BMS do its thing.
Loads 23amp electric dryer
Refrig 6 amp
Mini split 7 amp
window unit 6 amp
Questions
what sort of fuses, wiring/busbar arrangement should i use to protect this system and is wire size ok? Do i need diodes for backfeed?
It seems the Growatt only talks to 1 bank so how can i set it up to charge my batteries. It has option with no BMS. I guess that might work to just supply all the batteies at once and let each BMS do its thing.
