Help with MT50 and EPever 4210A

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Learjet

New member
Joined
Aug 30, 2017
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25
Just purchased an EPever Tracer 4210a and MT50 remote meter. I have a 3s80p battery bank to charge. I bought the MT50 because that was supposed to give me adjustable parameters in "user" setting for 9-17V that would work for lithium batteries. I wanted to limit the charge voltage to 12.3V and associated parameters. Problem is I get a "para error" when trying to set these parameters. I can only adjust a little bit eg float V to 13.3 but no lower.

Is there a way of doing it or did I buy the wrong thing....... again.
 
Never mind guys, got it sorted. My problem was trying to adjust voltages out of sequence.
 
Glad you figured it out :D I couldn't help as I don't know anything about those.
 
That's okay Korishan. Seems like a nice unit, but a bit of a pain to set up. What do most people use?
 
I actually have the same situation, but I don't think I try to set values out of range. What am I doing wrong?
Kind regards
 
Drivee said:
just use good bms,, no need to set up epever
Click to expand...
Not sure how this helps out. The BMS wouldn't really work in this situation for this particular case as it would slam the breaks on when voltage is reached. This isn't good on the equipment. The actual charging equipment needs to slow down on its own before the limits are reached.

Also, the BMS is not what needs to control the gateway. Its job is just to report what's going internally and send an alert if needed. It doesn't stop charging, it just tells the charger to slow down if there's an alert. So again, it falls back to the charger needing to have the proper settings to begin with.
The BMS should be used as the last line of defense, not the first. It's the backup of the backup system.
 
Learjet said:
That's okay Korishan. Seems like a nice unit, but a bit of a pain to set up. What do most people use?
Click to expand...
i using a diy data cable to connect my laptop. Then configure it. It s pain to setup using integrated display (some models dont have screen just leds)
Here s guides or u can buy a ready cable.

https://www.reddit.com/r/SolarDIY/comments/1cfzz5j
View: https://www.reddit.com/r/SolarDIY/comments/1cfzz5j/build_epever_usb_communication_cable_diy/

ross-warren.co.uk

Building a cable to connect my EPever charge controller

I recently purchased an EPever Tracer AN solar charge controller. I chose this charge controller because it is one of the only controllers on the market which have a built in Lithium battery cold t…
ross-warren.co.uk ross-warren.co.uk
 
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