Daly BMS Won't Allow Charge OR Discharge?? [How we resolved this]
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- Опубликовано: 12 июл 2022
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Welcome to our channel! We’re excited to get into this with you guys, share some of our journey and knowledge of custom van conversions & Offgrid Power.
In this video, we're going to be talking through one of the issues that we faced recently whereby we had a Daly BMS that would not allow charge or discharge to the battery cells. We were able to troubleshoot the issue and isolate the problem. If you use a Daly BMS for your LiFePO4 and ever face the issue of having the Charge and Discharge Switch turn off and not want to turn back on, hopefully this video is helpful.
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![JK BMS B2A8S20P Detailed Settings [UPDATED]](http://i.ytimg.com/vi/pTveDIsosjQ/mqdefault.jpg)
![JK BMS B2A8S20P Detailed Settings [UPDATED]](/img/tr.png)
7:40 Bad inverter caused BMS to go out. 10-Min saved!
thanks, it was a pain to keep listening to this talk until the 8th minute
great video thanks very much . I have a 48v 300ah lithium battery and ive been trying to work out why my inveter ( I have tried growatt & epever inverters and chargers, ). won't charge it over 50v , I am thinking the BMS won't allow it . have you seen this before? I am wanting to try a new BMS to see if that will get it up to 54v
Thanks Nigel for the video. I also have a Daly BMS. Useful knowledge
Best Regards
Larry
Glad it helped
Have you thought of adding a bms bypass circuit breaker so when it is closed it links the B- and P- together....not helpful in this instance but in the event of a bms failure could get you out of a jam? cheers
Now that's what i call after sales service !
Fixing issues on items you didn't even supply 👍
I knew I'd made the right call trusting you guys with my battery 😎 TBH i was sure i was right after meeting you both now I'm doubly sure 😏
Thanks man! Hope you're doing well! :)
Hey there! Great video. I am facing an issue with my Daly BMS which I am using for a 4kWh modular battery pack. It shows the right cell voltage when the battery is not charging or discharging. But as soon as I charge the battery, one cell goes out of balance and while discharging, many cells go out of balance. However, when I check the same with my multimeter, the cell voltages are perfectly fine. Only the app is showing me an erroneous reading. Please help.
what would be the ideal diff voltage and diff voltage that i should be alarmed?
Nigel, so glad you sorted that out for your customer. Unfortunately I still have the problem with my new Daly BMS it still will not connect with my phone any thoughts on this matter, Many thanks. Ps. I did leave you a update.
Thanks John. Just sent you a message. 🙂
John have you given the Daly app all permissions in App settings on your phone.
Hi mate, with our dally, we sometimes hav to uninstall the app and reinstall app for it to connect & it works again 👍
@@mayterrace1971 Thanks for your reply will give that a go.
@@nathoilboy2053 Nathan thanks,I will reinstall the app as has been suggested and l will check for that. Many thanks.
I get a locked Daly BMS app, cause the app is saying it needs a Software Update, and all options are locked out. It says it needs a secure firmware upgrade code? Any idea?
All good vids can you tell me how many ac wats can you pull through a 200a bms roughly Thanks
Depends on the voltage of your battery. If you're building a 12v 4s battery, you can pull around 2400w through the 200A BMS (basically multiply the voltage by the amperage). If it's a 24v 8s battery, then it's 4800w, etc..
Hello man , In my case the bms app shows like charging mosfet is in off condition i tried to wake up the charging mosfet by connecting the battery to the charger.But the battery doesnot accepting charger.
E normal a bms esquentar quando carregando as bateria lafepo4?
Anyone have resources for daly software? I trued for hours to install pcpower driver on windows 11, i dont think it works with win11... any help is greatly appreciated. I need to communicate with canbus and cant access bluetooth device until next week, must use usb can device
hey, i have a standard 280a 12v 4 cell pack, i noticed my daly app now has an active balance section with a load of settings, it shows as having 2 battery strings, is this correct as cannot find any answer online, ty
Hi Paul. Send us an email with some screenshots and we'll take a look!
if your bms go into lol voltage protein mode an you do all thing an it do not change or discharge disconnect the balance cable an it will start charge
Thank you very much. Today I ran my daly BMS and he doesnt charging battery (discharging works ok). Reset, changing setting - still nothing. After watching this video I deceide to switch off all - inverter, and battery. After restart all works great, BMS is charging and discharging.
I was set max sum voltage to 56.7V on BMS but my new battery has on start 58V. Next they was discharged to 52V. Charging was blocked (in application is viewed as turn on [green]).This may cause of this issue.
Glad it helped
Muito importante essa informação pois muitos casos desse pode se repetir 🤠☕
Hi, may i use your video and add Filipino translation on it for education purposes? I will add links to your original video if its ok
I use different types of BMS for my projects. But only with Daly BMS i have a lot of problems. They are dying like a fly. The only reason why i use them sometimes is, that they (should) can handle a lot of current. but actually i have a new 500 A BMS that is not loading anymore (at the 3rd cycle). So the costs of a new one are 350€. 😫
I have a 100 ahr lifepo4 with a 60A s4 12v. The battery drained and now the BMS won't allow a charge at all "SOC LOW LEVEL 2"
HELP
Try disconnecting your balance leads and reconnecting them to reset the BMS?
@@offgrid_power I tried that I even charged the battery cells back to full charge and it still won't let me charge through the BMS. I wanted to reset the BMS back to factory settings but it keeps telling me that feature is not available. I don't know what else to try any other suggestions. The BMS allows me to drain the batteries but not charge them. When the batteries are fully charged and I set the SOC to 100% it still won't let me charge I'm wondering if the BMS switch that allows charging or not is destroyed.
@@highlander723Hi, i have the sâme problem, did you fix it?
@@thibaultbadrianizon3215 I hate to be the bearer of bad news but I ended up buying another one. I ended up cracking open the old one and it was very clear there was something that went wrong in there there were burn marks inside. sorry man.
@@highlander723 ok thank you, good thing that I've already claim a for free return, mine was doing good.
It was for a E-scooter, when I was finish with the wiring, everything was fine and working great but when I started to wrap the battery in it's old cover, it wouldn't charge anymore.
It was showing 61V on B+/p- instead of 72v like B+/b-, I "redid" the wiring and it came back alright but after a couple hours it was back at 61v.
It's a pain in the ass to work with these things
I have an ant bms does anyone know if i need to turn off discharge to allow the battery to charge or do i leave it on?
You shouldn't need to turn the discharge off to charge it.
@3:17 i didnt dislike daly because it fails or electronic failure! i dislike it has really limited imporant features that some smart BMS has. You chose smart bms for many REASONS and one reason is balancing. You dont just balance during charge but you do it idle plus clunky and buggy app sometimes it charges sometimes it doesnt. new DALY bms i expect more but failed me.
Good points! :)
Also, don't download the latest v.2.4.3 BMS software if you have a Bluetooth version. Quite buggy! Stay with v.2.0.
Yep, there are lots of issues with the new software!
You made me laugh when you said Daly customer service was ok, you try and get something replaced by Daly ,I ended up just throwing mine away
Yeah, there is a lot to be desired when it comes to support from Daly! :)
That is nonsense, because you have mainswitch after bms and before your devic3s and also fuses for each device. And if you cut off power you can see on the daly app whats going on. The problem of this daly bms are different they disabled without a reason and go never ever back to work. Also not without any devices connected. Also no communication wirh bluetooth and app. Dead a new one only after one day without big currents...
Bro get to the point of fixing it
Done! 🙂
10 minute video for 30 seconds of information. Maybe consider making some shorts for people that don't care about all the context.
useless video for actually troubleshooting a daly
Thanks for the comment!
@@offgrid_power your title is very clickbait, makes it look like you can resolve a problem with a BMS that wont turn on, which is the same reason I am here. Total waste of time trying to find technical information, where you could have just stated at the beginning it wasn't a BMS fault. Please at the very least fix the title as this is the first response you find when looking for help.
I agree useless af
Bro talks 10 Minuten just to get that ad revenue. Get to the point