adjustable Cheap Chinese Active Balancers

Stefanseiner

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Apr 16, 2020
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104
100kwh-hunter said:
And please go for a bms and not a balance only.

Hello Igor,
as you could read into the text we are talking about the jkbms series - which combines BMS and active balancer in one device.

No need to disassemble something and balancing / calculating manually

btw: I took a screencapture totday so you can see the balancer working
 

bwolten

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Sep 13, 2020
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Hi Stefan,

I used your instructions to get my BMS up and running with the Bluetooth app...

Have you had any success communicating with the RS485 module??

I emailed Jk-BMS a couple times to try to obtain the RS485 module protocol but have not heard back from them..

Cheers Brad
 

Stefanseiner

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Apr 16, 2020
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at this time I did not try the RS485, but I will, in future when I have more time for this (have to set up a linux server too)
But I have some protocol documents and lots of other information about the JKBMS I collected here: https://mona-stefan.de/li-ion-akkus-18650/akkus/15-ladegerate-&amp-kapazitatstester

you may need GTranslate because it's in German, but the protocol files you'll find when you scroll down to the end of this page.

Please let us know if you have some success with the RS485 :)
 
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bwolten

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Sep 13, 2020
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Had to do a little searching but I think i found the Docs "Polar Air Active Balance Protection Board" is what I'm looking for????
It shows how the frame data structure is sent and received....
sorry about your tractor in the water hole!!!!

Thank for the information I will give it a try... Not that good with code yet but will learn as I go...

Thanks again
 

Stefanseiner

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