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Ok long time no write. Actually I noticed it has a seperate battery sense terminals. You were right but I did not notice it. Got everything rewired with 50mm2 cable. Seriously oversquared :). No diference. Then i connected this voltage sense wires and there it is. All voltages match, the...

Hi, the problem was actually the chineese voltmeter that was off for roughly 2v! And the other one was flickering, from the cold I guess. I have 3 voltmeters and not one shows the same value :( I did not even bother with measuring the cables. I have to re-cable the whole thing again anyway. I...

No

Ok I sm using jk bms with balancer. It has calibrate option and I calibrated it with my voltmeter and the two(bms and scc) are really of.

Hey guys I finaly got my cells. Iam using a 4s configuration for now. I have a few questions. First I checked the info and it says "boosting" but it should be in bulk charge. I set boost charge to 13.8v. And it was at 13.22 My second question would be why can I lower firs t two parameters...

Does anyone know where I can find some info obout EU lifepo4 suppliers(if there are any) or when can I find some qualiti lifepo4 cells in EU

For now

Ok, finaly got cables after 2 months. The software is rubbish I could not get it to work. I will stick to display settings.

They still havent sent me computer cable and temperature sensor, this might take a while.

Don't know yet, this week I will set up 12v system and will test a few things, will report as soon as I get to it ;).

What smart BMS brands do you recomend? Wich ones do you use? I calculated I need roughly 40A BMS with 16s 4p 1,8Ah 18650 lifepo4 cells. Now I have A 90Ah Agm battery.

Ok I bought the charge controller actually it is not a BN series but "IT 6415, it has a built in display and you can set it up witouth software/display.

Ok if anibody is interested I will keep you posted on progress.

In other words is the an interface the same as https://zhcsolar.com/product/40a-mppt-solar-charge-controller/

Is the an series the same as bn? bn seems really bulky and robust

Thank you very much for the info! I will start it slow and expand it along the way.

Hi, I was wondering is it smart to buy a 60A tracer for lifepo charging? It is one of the rare charge controllers that is powerfull suports 48v, is not expensive and is available. Can you program it enough to make it work wit this batteries? Does it stop charging when current goes under the...