How to Update Firmware on JK Inverter BMS (Step by Step)

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Step-by-Step guide on how to update the firmware on a JK Inverter BMS. Hopefully this helps.
What you'll need:
- Computer running Windows
- JK Monitoring software
- Firmware file (Very Important - specific to your model and hardware version)
- USB to RS485 dongle and cable 👉 Buy here amzn.to/3WK4ajG (amazon link)
SOFTWARE & FIRMWARE DOWNLOAD RESOURCES
🪛 JK Website www.jkbms.net/home
🪛 Off Grid Garage Jk Resource drive.google.com/drive/folder...
If there is an error during the update process or if you need to downgrade to an earlier version of firmware (if there are bugs in the update), this is possible using the 'Force update' option, just follow the how-to video below.
🧰 How to Downgrade firmware on JK BMS 👉 • How to Update Firmware...
⭐️⭐️⭐️ OTHER VIDEOS ⭐️⭐️⭐️
🧰 Testing Limits of JK BMS • Testing limits of JK I...
🧰 Hot to connect JK BMS to SunSynk Inverter • Connect JK BMS to SunS...
🧰 Review of the JK Inverter BMS • New JK Inverter BMS Re...
🧰 Review of the original JK BMS • New JK BMS and SCREEN ...
🧰 JK Screens compared • JK BMS Screen Comparis...
If you want to read other reviews or buy one of the other style JK BMS's, here is an option 👉 amzn.to/3yy7lAH (make sure to select the correct model that you need)
‪@OffGridGarageAustralia‬ Andy's channel on RU-vid
www.off-grid-garage.com is Andy's website where the software and firmware can be downloaded.
If you want to read other reviews or buy one of the other style JK BMS's, here is an option 👉 amzn.to/3yy7lAH (make sure to select the correct model that you need)
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Опубликовано:

25 апр 2024

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Комментарии : 23

@christophec252 2 месяца назад

Small tip. In case you have them parallels. You need to unplugged them but set them to address 1. The master is normally 0 when used.

@GrantBurton 2 месяца назад

Hi, thanks for the comment. Yeah... A video explaining BMS setup and connection to a SunSynk inverter is in progress... hoping to have it out in a few days.

@SuperClotted 21 час назад

Hi, any idea where to get firmware for my device? Vendor ID: JK_B2A8S30P Hardware Ver: V14.XA Software Ver: V14.06

@kennyrodg 2 месяца назад

Thanks Grant

@GrantBurton 2 месяца назад

It’s a pleasure. For now, I’ve rolled back the firmware to 15.11. Seems the BMS was sending a ‘force charge’ request to the inverter even though the battery was at 100% SOC, and not allowing the battery to discharge. Didn’t have much time to play around.

@yu.diachenko7889 2 месяца назад

Is it possible to update the BMS if it is not yet connected to the battery(out of the box)?

@GrantBurton 2 месяца назад

The BMS needs to be powered up in order for it to update... I haven't tried it yet (because I installed it into the battery) but from what I've seen others do... the B- needs to be connected to pack negative and the red lead (that comes out of the BMS) needs to be connected to pack positive (the balance leads don't need to be connected).

@yu.diachenko7889 2 месяца назад

@@GrantBurton thank you for your quick response

@yu.diachenko7889 2 месяца назад

@@GrantBurton connected to a 12V battery - it did not start(( how much does it need to start? 48v? Or maybe I have a broken bms?

@GrantBurton 2 месяца назад

@@yu.diachenko7889 HI, according to the Jk website, it should be able to operate from 20 to 70 volts. Normally taking 8 - 16 cells, it should be able to run on 24 volts.

@NarfNoxy 2 месяца назад

Hy! A lot of people have a great problem with the firmware update. I have 2 2A150A HWV15 with the 15.10 firmware. Everytime i start the update my bms shuts off and nothing happen.... Have anyone suggestions for me? I`ve tryed different computers....different cables.....3 versions of the PC Software... always the same I hope there is a solution for that

@GrantBurton 2 месяца назад

Hi, have you tried using the Force Update option when trying to update the BMS? Also, when trying to update your BMS, is anything else plugged into any of the ports? What USB to RS485 adapter are you using?

@NarfNoxy 2 месяца назад

@@GrantBurton with the force Update Option there is the same behavior. Nothing Else plugged in. I have used 3 types of usb to rs485 adapters. 2 from Amazon and a seplos one

@GrantBurton 2 месяца назад

Not sure if you have seen these videos by Andy from @OffGridGarageAustralia but maybe they will help? Recovering a bricked Jk Inverter BMS ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-KznZtqpoles.html Force updating using Miro's code generator ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-b-Hl1G8_qOA.html

@NarfNoxy 2 месяца назад

@@GrantBurton yes i have seen all that Videos and asked there also for help but anybody helped… so i think i‘m Stuck with this 15.10 Version forever…

@GrantBurton 2 месяца назад

If I come across anything that might help, I'll let you know. At least your BMS is still working, but it would be nice to upgrade to later firmware.