So, here it is! The brand new JK-BMS firmware tested on Andy's workbench, made in JIKONG's laboratory. Finally, the long-anticipated firmware update for the V14 of the inverter BMS brings these first gen BMS up to the same level as the V15 BMS. From a functionality perspective, there is now no difference between these two versions anymore. Great!
Bugfixes, new features and most importantly, a brand-new charging algorithm which takes now into account, what state the battery is in before setting the BMS to 100%SOC and entering float mode. I think, this is a pretty good solution and outcome now. Of course, as with any new version, it will not fit every single inverter out there nor will it work with all system designs. But this will now cover a lot, I mean a f* lot of systems and inverters and should work flawlessly. I have tested mine for 2 weeks now and the new algorithm works very well.
I also discovered a bug about the two programmable relays on the BMS DRY1 and DRY2. At this point of time, I'm not sure where this bug is coming from as some BMS work, others don't. I show you this in this video in all details and please, if you can, leave your feedback below if this feature works for you and what version of BMS and hardware you have.
Without further to do, here is the new firmware. Make sure to download and install the correct version for your BMS!
You can find the new firmware versions for the V14 and V15 JK-BMS here:
https://off-grid-garage.com/battery-management-systems-bms/
JK-BMS, best BMS out there:
https://off-grid-garage.com/battery-management-systems-bms/
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