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As a design professional and a Board of Appeals member, I have seen people getting caught by Code Enforcement. Some get resolved easily, others not so much.

So, with all of this discussion, and with all of the warranty/BMS issues, if purchasing new batteries today, what brand would you purchase?

UPDATE: After e bit of discussion (I am being kind) SOK finally agreed to send me a new BMS. They claim that their new BMS design may also be suspect (I am being kind again) and the new BMS will not correct any issues. These responses just don't give me that warm and fuzzy feeling. Are there...

Alkaline Thanks for the suggestion. I may very well replace the BMS. Appreciate the help. Mike

After a few days or so. the BMS has once again become unstable and inaccurate. After four or five emails with SOK and a request to replace the BMS, the told me to go out and buy a shunt. I am done with SOK. Will never buy another product from them. A warranty issued by SOL us useless. Time to...

Sorry you took my suggestion the wrong way. You have some serious code considerations. As a mechanical computer engineer you know that utilizing qualified design professionals will go a long way in getting a project done correctly and to code. No FUD here. Best on your project. Thanks Mike

Have a great suggestion. Hire a good architect and engineer who have experience with battery storage and solar distribution facilities . You’ll save a lot if time, money and aggravation. Mike

Again, thank you to Dexter and everyone else. I reset the Idle Calibration and now both batteries (ABC-BMS) reflect the current draw for each battery with the total matching the shunt reading. The one battery still shows a capacity of 0.0 ah, but all other parameters are correct and all cells...

Hello Dexter....... Thanks for the info on resetting the BMS. Will do today. The wiring to the solar controller is #10 stranded THHN. I will change to #6, just need to get some ferrules. Will move the shunt to the left side of the Dist. box. Have a great day. Thanks

As promised, here are images of my two 12v 206 ah SOK batteries. The second image is of the problem battery, the BMS reports a current drain of -23.1 A. The SOC shows 100% and the clculated capacity now only shows 0%. Cell balancing looks ok The first image is the good battery. What is...

Will do. I’m out for a short trip but will post images. Yes ABC BMS.

First post here, but long Tim reader. own 3 SOK 206 AH batteries. One of the BMS stopped working and shows 0 charge and a continuous 22 Amp current drain. I asked SOK to repair the battery, replace the battery, replace the BMS or fix the BMS. Nothing unreasonable. I have received nothing...