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I got the values to change. Using the Overkill App. No warning come up. Their was no power coming in and only a few amps going out when I got the app to work to make the changes. Had to press the write button a few times, but it worked. Thanks to all for the help.

Thanks featherlite. My app looks different. Is your app one you pay for? The one I have was free.

How do you access the calibration screen on the Xiaoxiang app ?

I am using the overkill app and when I go to calibrate no warning comes up . I can input figures, but when I push "Write" it does not change the existing figure. Any thoughts?

I haven't noticed the difference in the total voltage total as I was only checking cells.

I think I have got a significant variation. 0.080 v Or is that nothing to worry about?

Thank you. I have downloaded the manual. I shall see what it says and have a go.

I attempted to do this. I got on the calibrate screen, entered the correct voltage, pushed "write" and nothing happens. Do the cells have to be at rest when this is done? Mine were discharging at the time I attempted to rewrite the voltages. I tried several cells.

I am about to replace lead acid with lithium for my standby system and am interested it settings as well. Any more comments? Or suggestions? It is an independent system. I am on stand alone power. No mains at all.

If you look at the invoice you got from the suppler, it should list the items of equipment you paid for.

I think they are A grade cells I am pretty sure my Rept's were A grade. Sorry, I just checked his web site and they do say B grade.

It was disconnecting the two BMS, connecting the one not working on its own, it started working, and then hooking up the other one with it.

Some how I missed your response. Sorry. It would seem that you nailed it with your advice. Thanks again.

Thanks for the response Mister Sandals. I got it working. I disconnected the positive cable from the working battery and as soon as the battery with the BMS that was not working was the only battery hooked up it started charging and discharging. I hooked the other battery positive cable...

Thanks for the response Mister Sandals. I got it working. I disconnected the positive cable from the working battery and as soon as the battery with the BMS that was not working was the only battery hooked up it started charging and discharging. I hooked the other battery positive cable...

Still wondering if this is the problem. Would the resistance in the different wires cause my problem? One BMS has the two wires and the one not working has the one wire

Just checked voltage at the BMS. Probe from multi meter + on + battery post. -Probe on BMS B 53.25v -probe on C 51.88 Do these voltages look right? I am thinking the BMS might be another dud even though odds are against that.

The non working one is hooked up in series with the working one. All the charge goes into the working one. All the discharge comes out of the working one

The first screen shot is the battery that is working . The second is the problem one. I turned both yellow slides off and on. Nothing.

I

I

The word lock scares me

This comes up when I slide the yellow button

I downloaded the Overkill app and it connects. I can see FET Software locked Could that be my problem. I am not all that good with computers, still on my learning curve. So your patience is appreciated The FET software is not locked on my battery that is working. So if that is the...

Screen shot

Thanks for the suggestion. I will try and get another phone to see if it will play nice with the BMS

I ended up gettint the BMS to connect to my phone but It still would not charge or discharge. Then the Bluetooth went off. I did change the Two C cables for a single one. Could that be my problem

I unplugged t Tried all this. Flashing blue light came on for a while, but nothing else. I am wondering if the BMS might be a dud. The one on my first battery was and I had to replace it. Two dud's?

Got it . Thanks

Thanks for the answer. I am not sure what you mean by power cycled. I think it means charged and discharged. If that is the case, how do I go about that as no current is going in or out at the moment.

I have just recently bought new 280ah Rept cells from Mark at https://lifepo4.com.au/product-category/cells-lifepo4/eve/automotive-grade/304ah/ I paid A$225. per cell. I think he may have a warehouse in Melbourne. He might be worth a call to check his prices and what he has. The...

I did have the two BMS's show on my phone app at one stage but could not connect to the new one. Now I only show the one BMS. I was thinking it might be because the blue light ( for blue tooth? ) is not on. It was on when it connected. How do I turn the blue tooth on , on the second BMS...

I recently built a battery with a JBD BMS. It is up and running. I added another newly built battery ( 16 cells ). The same JBD BMS AP21S 002. I found it on my phone app and then I lost it. When I open the app only one battery shows up. Sometimes the blue light flashes but I don't get...

The unit is a Plasmatronics PL 60. The shunt was an accessory. Thank you for the responses. Much appreciated

I am replacing a PL60 with a Victron 150/ 45. Can I use the pl60 shunt with the victron or do I need get a Victron shunt?