EG4 Community Forum

Anonymous
Joined: September 16, 2025 2:18 pm
Topics: 2 / Replies: 14
Reply
RE: EG4 | WP Waterproof Lithium Battery 36v

UPDATE: Checked battery voltage this AM, 37.6 volts. This battery is in my living room at 72 degrees F and has lost 0.8 volts in two days. Can't ge...

8 months ago
Forum
Reply
RE: Measured numbers don't add up - 100% of PV Gen going to Consumption Power

Right now, my batteries are putting out 435W while my Load is consuming 572W.

8 months ago
Forum
Reply
RE: GridBOSS and Generac whole-house generator

@wicksmith1 I was able to get the generator working after all. You can see this thread for details

8 months ago
Reply
RE: changed a BMS setting, EG4 18KPV dropped to low amp charging. How to revert back

@jlankford I agree that is a good idea. Thanks for the feedback!

8 months ago
Forum
Reply
RE: changed a BMS setting, EG4 18KPV dropped to low amp charging. How to revert back

@dougl FWIW, when looking at the BMS data or changing settings on an EG4 battery, you have to take the battery offline communications-wise. The bat...

8 months ago
Forum
Reply
RE: changed a BMS setting, EG4 18KPV dropped to low amp charging. How to revert back

@jlankford @jlankford great idea looking at the inverter data details. I can see when it happened, at 11:35a and that's what I see when I look at h...

8 months ago
Forum
Reply
RE: changed a BMS setting, EG4 18KPV dropped to low amp charging. How to revert back

@dougl The BMS Limit Charge value changes dynamically (at least it does with the EG4 BMS). You could look at the data history and see what the valu...

8 months ago
Forum
Reply
RE: SOC % setting 11

Thanks! We have kept the setting at 50% as the EG4 won’t accept setting of 60%we’ll hope that the addition of the panels gets us longer run times for ...

8 months ago
Forum
Reply
RE: changed a BMS setting, EG4 18KPV dropped to low amp charging. How to revert back

I had changed the setting on the BMS Config page which said 15S for the battery configuration to 16S and that bounced the battery(rebooted) but also s...

8 months ago
Forum
Reply
RE: changed a BMS setting, EG4 18KPV dropped to low amp charging. How to revert back

@dougl Which BMS setting did you change? And what is the "BMS Limit Charge" value reported by the 18K?

8 months ago
Forum
Reply
RE: changed a BMS setting, EG4 18KPV dropped to low amp charging. How to revert back

It's now exporting 2kw to the grid even though the batteries are at 77%/52.5V. Anyone know which setting will stop it from feeding the grid with batte...

8 months ago
Forum
Reply
RE: SOC % setting 11

DOD shouldn't be any lower than 50% and I'd recommend 60% for longevity of the battery. The reason it lasted longer prior to setting it to 50% is befo...

8 months ago
Forum
Reply
RE: BMS not correct in detecting capacity

@jlankford it's only out of context when it considered to be talking about the cells/batteries instead of the system(BMS+batteries) since it is the BM...

8 months ago
Forum
Page 174 / 270