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Question How Much to Charge my EG4 LL 48v Batteries from Generator

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Posts: 8
Topic starter
(@eagleridge)
Active Member
Joined: 4 weeks ago

I've recently added a Generac 15kw backup generator to my off-grid setup consisting of two EG4 18kPv inverters running in parallel and 60kw's of EG4 LL batteries.  I have my inverters set to auto start the generator when the SOC drops to 30% but am curious what I should use for the generator shutoff value?  I currently have it set to 90% but am wondering if I could reasonably set it to 100%.  


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EG4 Eric
Posts: 800
Admin
(@eg4eric)
EG4 Online Support
Joined: 1 year ago

Most people only charge their batteries to 50%-60% because they use the generator as a backup to charge batteries when grid isn't available, but there is definitely nothing wrong with charging them to 100%.


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Posts: 8
Topic starter
(@eagleridge)
Active Member
Joined: 4 weeks ago

Thanks.  No grid for us so the generator kicks in when we also have little to no sun for solar.  100% it is then.  Thanks again Eric.


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