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Cannot get New battery to Balance

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Posts: 14
Topic starter
(@cptmorgemaker)
Eminent Member
Joined: 3 months ago

Morning, recently added my sixth battery to my system. It currently has two 314 indoor as one and two and four 280 indoor batteries. A grid boss a flexboss 18. And a flexboss 21. FlexBoss, 21 is The master and it is hooked to battery 6. Wear FlexBoss 18 is hooked to battery three. They share batteries. The newest battery which is id4 will not charge to the same voltage as my others. I've even changed my FlexBoss 18 to a master unwired the communication between the other batteries and the inverters and told it it only had the one battery and had it trying to charge up and it just still wouldn't. I've tried the SOC recal break and that seems to have not worked either. Any help would be great. 

 

Master flexboss21 I'd is - 44700E0278

Slave flexboss18 id is - 52601N0070

 

How their ID is is deceiving because of how I had to string the communication being you must have three 14s as the primary one and two battery. I added them to an existing three battery system. As you know they just came out and not wanting to unwire and move my FlexBoss 21 to move that battery to become a primary was the reasoning of their positions. Also, if you go on to my network onto the system you will see for the batteries to of communicate correctly. I actually had to go down an ID it seems the 314s like to start it. Battery number zero. So my batteries are 0,1,2,3,4,5. That seems to be the only way that they wanted to communicate correctly. And all the wiring's correct with the custom-made network cables.

Screenshot 20260330 072147
Screenshot 20260330 072157
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Screenshot 20260330 072140
Screenshot 20260330 071126~3
Screenshot 20260330 072135

 


2 Replies
EG4 Eric
Posts: 1078
Admin
(@eg4eric)
EG4 Online Support
Joined: 1 year ago

@cptmorgemaker

The image below represents the best configuration for wiring the batteries to both inverters. The Master battery (#1) needs to be connected directly to the Master inverter and have the battery #2 connected directly to the slave inverter for the best communication.  

image

EG4-Systems-Battery-Wiring-Diagrams-2.0.pdf


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Posts: 14
Topic starter
(@cptmorgemaker)
Eminent Member
Joined: 3 months ago

I should have never bought 314s they have just made this a pain. And adding stuff instead of 1 build at once has not been the best. Bust here is a edited image you recommend this?

I also when I got the newesdt battery i ran the fb18 and it solo to get it to 100% and then synced it with the others.

Screenshot 20260402 180552 Photos

 

 

 


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