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Just to connect the BT, usually default passwords are 0000 or 1234.

HF has been very slow to adapt to changing technology. Their toy 100W kit employs obsolete amorphous panels and a lead-acid battery charge controller. I have wondered for YEARS why they don't sell "real" solar equipment. I just wouldn't go there! Watch all the Will Prowse and Jehu Garcia...

These mosfets do the incredible things they do because they are full on, like switches and don't dissipate energy. Running partially on can fail them due to heat because they are a resistor then, not a switch. The controller likely ramps up drive with PWM. Could see that with a scope. I DO know...

Several ongoing issues, but not connecting. No problem with range either. Sorry.

That would be leakage currents through the MOSFETS. With the BMS OFF, there is no active LOW drive on the Gates, so they are perhaps floating a bit. Regardless, since the input impedance of the meter is so high, it's probably not a lot of current. In fact, it is an equivalent impedance of ~5X...

That could be possible. The Drains of all pass transistors are commoned, as are the Sources of each bank, respectively, but the Gates are all driven individually.

It IS balancing. The highest cell dropped 61mV, and ALL cells dropped 12mV or more in a 24hr period. But with only 200mA of balancing ability, I wonder if it is adequate for duty in a vehicle with old cells. Good news is that control states and parameters persist even after the app is shut...

Which model Ant and which Bluetooth app are you using? I have found MaYi-BMS can't set anything with my Ant 24AHA-TB, but MyBMS ("bms" onscreen) will set parameters but is buggy. Both will set a precharge A but not time. Vorteks BMS will not connect at all.

The MyBMS app in this link, provided by FilterGuy, fixed the problem. http://mysharegadget.com/265290407 Which, of course, opened the door to new problems: ?️though an ammeter confirms cycling charge/disch MOS, the State displays are very ambiguous. ?️though the cell Type can be set LiPo...

What is the version number of the "new software"? If I can install it and it works, I may be able to help you out with this.

I may be wrong about this, but I think ANT (MaYi) introduced a new model which is activated by a switch rather than placing a voltage across two leads. Some of us can find NO Bluetooth app that will successfully interact with it.

My experience very much as yours. MaYi, from repository on this forum: pairs, reads data, won't set values. 2 "WireDisconnected" errors. Xiaoxiang, from Playstore: pair, connect, fail to communicate. Vortecks from Playstore: won't find or pair to anything. And yes, 2 names are found by MaYi...

I think the newer ones come with a pushbutton sw to attach to 2 black wires. Short press turns on, long press turns off again. I'm clueless whether they are the same wires. I saw a video indicating you have to apply a voltage for 5 seconds to unlock a password. I am very leery of applying a...

The short answer is yes. I had no trouble getting the MaYi BMS app (referenced in a reply to my "ANT BMS questions" thread) to install, pair and report cell values. But I'm stuck there, it won't let me set anything. I also installed the Vortecks app. It won't even pair!

Thank you for the link. It installs, pairs, connects and reports cell voltages and temperatures on my android 7.0 Samsung phone, but any setting values I input are reset to zero. I think it is also supposed to load default settings from the BMS, but it doesn't do that either. At the parameter...

I hate having to start a new thread, but as the Forum won't permit me to edit the old one to update it, I have no choice. At least I can name it the same. 210814: To continue, I have given up trying to use the MaYi admin BMS app, which pairs with my Samsung android 7.0 phone and reports cell...

Yes, I know that. It's rated 120A continuous. My van cruise consumption is about 50A.

Are you sure it's called that? I have installed MaYi BMS app, currently working to set it up. It requires NO permissions.

1) android app ANT BMS? Answer: MaYi BMS app https://diysolarforum.com/attachments/ant-app_english-apk.6561/ Password may be 0000 or 1234. The blinking light indicates ON, changes to solid when connected to BT. 210809: Unit is displaying valid cell voltage and temp values, but any entry in...

Questions:: ~3hz blinking LED in corner of board means what? Do temp sensor leads need to be attached to report data? Where can I find "My BMS" app? It isn't in Google play store. The vendor shows the app in the image. I can't find it anywhere. Same problem. Can't find an android app that...