Can't get the right firmware for the Smart BMS assembled with my 18650 Lithium battery pack

[qiubosu]

I purchased some 18650 Lithium battery pack Smart BMS from Aliexpress,

https://www.aliexpress.com/item/3284076

... 4c4dCwfpYI. I assembled the Lithium battery pack and this Smart BMS together, and its Bluetooth feature works well.

A couple of days ago, I tried the UART module with my laptop operated with Windows 10 OS. The COM setting is OK in the running PC software, when click Start, can pull the battery information from the Smart BMS assembled to the battery pack into the "Pack Info" of the running PC software system.

However when click the Read under the Parameters settings, can't input the battery information from the Smart BMS, and get error prompt. When click Write, get error prompt also. I tried different version of the PC software for this Smart BMS, and the results are all the same, i.e. can't Read and Write and get error prompt.

I updated the firmware with LH_SP10S006 20180612-1.hex, then can successfully Read and Write without error (this shows me that the firmware already installed in this Smart BMS before has problem). However when connecting the Bluetooth module to the Smart BMS, the Bluetooth feature doesn't work anymore. I identified that the firmware LH_SP10S006 20180612-1.hex only support UART module, not Bluetooth module. I tried to find a copy of the firmware which can support both the UART and Bluetooth modules, but I can't. Now I can only use UART module to communicate with this Smart BMS from PC, not with Bluetooth module from my mobile phone anymore. Bluetooth module is a lot more convenient than the UART module.

It is much appreciated if anyone can advice on how can get a copy of the right firmware for this Smart BMS.

I contacted with the seller James by email and through Aliexpress platform, but there is no response from him (as the manufacturer or representatives of this electronic hardware product, customers should be able to get the firmware of the product from them freely, and customers should be able to upgrade the firmware by themselves if there is any new release available)

 

[itsmoked]

qiubosu; Sorry to hear you're having problems with that BMS. The link is broken so I wonder if they've taken the product down.

I can't help really but appreciate your problem and wish you some sort of solution. What about returning it as not working as promised?



Keith Cress
kcress -

http://www.flaminsystems.com

 

[qiubosu]

Keith: thanks for your response to my post. do you have the information of having a copy of the right firmware for this model of BMS? thanks

 

[ChrisBFRPKY]

qiubosu, Since you are using Windows 10 software it could be a simple security issue with the file. Try a right click on the BMS software/file, select properties, then near the bottom of the menu that pops up check to see if the file is blocked. If you see an "unblock" option, check the box next to it and you should be good to go. Sometimes a file from another computer will trigger the security file block feature in Windows 10, this will not let you read or write to that file because it knows it's from another computer and may not be safe. So it gives you the choice to unblock it or not in the "properties" menu. (Which kinda sounds like what you're experiencing)Good luck, Chris B.

 

[qiubosu]

ChrisBFRPKY: thanks for your post, however this isn't the security issue of the Windows OS, not the BMS software/file properties setup issue either. i think my post make it clear that the BMS software used well in Windows 10 OS, just the original firmware installed in the BMS hardware (not installed in the Windows OS) can't communicate well with the BMS software in the Windows OS.

to understand this issue, people need to have profound understand of the software and hardware system, networking communication system. a lot of people (including some people in ICT industry for a while) don't understand the difference between application software, firmware, protocol etc stuff. the issue you're talking about is just at the Windows software application level, the most simple and basic level in software, computer and networking architecture. knowing how to configure the properties for the software/file installed in the Windows OS system is the basic for people who use Windows OS everyday (I hardly use Windows OS, while use Linux OS always).

thank you very much for your enthusiasm to help. hope the knowledge, experience shared in my reply here can help you to have deeper, profound understanding of the ICT system.

 

[IRstuff]

Seems to me you need to contact the manufacturer, particularly since you didn't even bother to fix your broken link

TTFN (ta ta for now)
I can do absolutely anything. I'm an expert!

https://www.youtube.com/watch?v=BKorP55Aqvg

faq731-376 forum1529 Entire Forum list

http://www.eng-tips.com/forumlist.cfm