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But it happens when mp is in charge only also.. so battery to mp shouldn't be a problem? Battery to mp is like 1.5metere and 70mm2

Busy days so slow to reply here.. I have ordered a Victron VE.Bus smart dongle to get some more info from the mp. All is 230vAC Its 12 280ah eve cells that I have built a 12V 840ah battery. And this happens even when mp is in charge only mode.. I have not tried to disconnect and run it only...

Will double check.. I've tried the printer on different outlets all around the boat also.. I also have a 2000W 220v oil radiator connected in the boat.. But have turned that off and even disconnected it to see if its due to a startup surge from the printer, but it still happens.

Yes its a brother laser printer.. What is strange is that it does not work with mp in charger only mode either.. only with a cabel directly from the marina and to the printer.. not through the mp at all..

Sorry, its a Multiplus Compact. Printer is brother 2375dw So I actually got both wrong :p Old one was a epson.. I don't have anything to read the codes from it. I want to buy a BT dongle, but haven't yet. If I unplug the printer everything works fine again.

I have a Victron Multiplus II compact and it goes into cycles of shutting off and coming back on when I plug in my Epson printer. I am in a sailboat and if I plug a cable directly from the marina and into my boat and plug the printer in then the printer works fine, but through the Victron it...

Set it according to my guesses and all the cells are at 3.450 now.. +- 0.001.. so thats some better balance. But the first ones are 99% and the last one still 97% capacity as in the screenshots. Is that just uneven readings? Or does it actually have reduced capacity? Have to hit the pillow, but...

Ah okay, thanks. New with all this.. 3.40 on the "Start Balance Volt" I am guessing? 0.015 on the "Balance Trig Volt"? Then "Calibrating volt" too 13.8?

I have 3 JK BMS's with 12 280ah cells.. 3 batteries with 4 cells in each connected. The 3 batteries are in parallel so I have 840ah. One of the packs was low when I connected the charger for some reason. I did manage to short one of the batteries when I was wiring so I am worried that have...

Thank you for responses here.. I got busy with other projects and forgot to check back. Back to this project finally now. I got 3 of the jk-B2A8S20P bms's... I tried to find the drawing you mentioned hwse, but couldn't find it.. I got a 95mm² cabel going from the batteries to my circuits.. but...

Yes :) Another question. How would I wire the 3x280ah batteries together? I think I read something a while ago about wiring them in a certain way to not draw more from one of them?

I decided to build 3 280ah batteries instead and ordered 3 jk-B2A8S20P. Its on a boat so thinking 3 separate batteries is better.

I have 12 280ah cells and building a 12volt 840ah battery. I bought a JK BMS Jk-B2A20S20PHC and didn't realized it was for 20volt and up battery. What JK BMS should I get?