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What did you end up doing? I would like to communicate with 5) JBD BMS 100 via RS485 ?

Batteries: When the batteries arrived from ReBel they would not work. The BMS Settings were all wrong and needed to be adjusted. The EG4's are as is. The ReBel batteries have the JBD-48V-100A-BMS-SP25S003 BMS OverV - 3.7 OVR - 3.35 OVRD - 2.0s UnderV - 2.5 UVR - 2.875 URD - 2s PackOV - 58.4...

Lead Acid was chosen on the Sol-Ark as none of the BMS's go to it. I would LOVE to come up with some way that all the batteries could talk to the SA and be properly managed. The Sol-Ark Settings are; Battery Capacity(0-9999Ah) - 900 Max A Charge(0~275A) - 112 Max A Discharge(0~275A) - 275 Batt...

There is 15' of 2/0 wire between the Inverters and the Buss Bar. Before I added the 4th EG4, All batteries were connected to the buss bar with 36" 4 ga wire and i had observed this same issue. I have since bought the 4th and installed the 4 and Rebel #1 into the Signature Solar EG4 Rack. This...

All wire lengths were the same. I have even tried doubling the length on those batteries that were reacting faster and made no change. I have manually adjusted all of the voltage setting in the Sol-Ark and that part has been fine

I am on the Gulf Coast in south Texas right off the beach we have lots of wind. looking to find something to augment solar

Greetings All, I would like to augment my solar system with some wind generation. I am in a residential area that has a POA so discretion is a must.. Thoughts? Ideas? Thanks Drew

I support your experiment... PPE ... :-) What else can one do with old expired Lead Acid Batteries besides send to recycle? I have a LiOn bank, but also have a pallet of dead Lead acid ?

Battery Bank Charging I have 9 Battery 48v – 100a Lion Bank. This is a mixed breed and I am wondering the best way to manage charging? 5 of these batteries are from ReBel Battery in Lake Jackson TX who is out of business. 4 of these batteries are EG4 Life Power4 The dates in service is also...

I removed the (B-) and Balancing connections from the BMS to reset. Appears to be back up and good! Thanks! :-)

Failing JBD SP25S003C 48V 100AH BMS Communicating via BT with one of my BMS’s has gone wonky. It continues to ask for password but does not seem to recognize it, but then will show some info but something in the communication side is braking down. I have tried the Xiao app and the Overkill. It...

Thanks for the help all! This was a miscommunication about BMS compatabilities. Whew! Mischief Managed!

thanks! :)

I am NOT using BMS communications. I am using the Voltage & % of charge.

I wanted to just drop 2) EG4's into the system but was told they are not compatible? https://signaturesolar.com/eg4-lifepower4-lithium-battery-48v-100ah/

5x 48v / 100a to bussbar (Paralleling the bank) out to both Sol-Ark inverters as per their diagrams. Please explain? The Rebel batteries have only BT connection, no communication to inverter

They say they are LiFePO4 are there different versions of LiFePO4 chemistry? I do appreciate the info....

I am not sure of the battery chemistry. yes, all bussbar connected. w/ 100a protection for each battery I think today project will be to dissect the one already opened up for cell identification

It has taken Aric 2 weeks to respond and he has said they have no more in stock and no more on order. I know this is the BMS because of a failed Switch.

Greetings all, I have a 20kW Panel system into a Paralleled pair of Sol-Ark 15kW with 5) 48v x 100a ReBel batteries. (2mos old) I need another 200a of battery and ReBel are not available. I am kinda BMS ignorant and have been reading up. I wanted to add 2) of another brand but have been told...