7 replies to this topic

[cowboydan4545]

Hi all, I have a 2021 fleet shell and recently upgraded the electric to 6 awg from starter battery back, REDARC BCDC1250, Victron BMV-712, Battleborn 100amp lithium, and 200w renogy solar panel. It is not hooked up to the truck yet but it seems as though everything works and the battery is getting charged from the solar panel but there is no solar input showing up on the bmv app. I feel like i hooked up the shunt properly, battery neg to shunt and load side to ground bar. All common grounds go to ground bar. Any thoughts would be appreciated thanks!!

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Edited by cowboydan4545, 15 July 2022 - 02:21 PM.

[lmwilco1]

It looks like it is connected properly. Did you drain down the battery so that the solar would charge it? If the battery is fully charged you won't see any charge current on the monitor

[cowboydan4545]

I have drained it down to about 13.3v and then came back the next day to see it at like 14.2v. The solar light will be on on the bcdc charger and it will be in soft-start mode but i won’t see any incoming voltage. But if i run something I’ll see a neg voltage

[Wallowa]

FYI 13.3v is about 95%+ and 14.2v is 100% charge on BB ....like stated at 14.2 you should not have any in coming amps....

[Vic Harder]

I have drained it down to about 13.3v and then came back the next day to see it at like 14.2v. The solar light will be on on the bcdc charger and it will be in soft-start mode but i won’t see any incoming voltage. But if i run something I’ll see a neg voltage

You probably are seeing a negative current (not voltage) when you are running something, right?  

[cowboydan4545]

So I’ve had the lights on and the fan running for a few hours and this is what’s going on with the Victron. I guess I’ll see if there’s a positive from the solar tomorrow.

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[Vic Harder]

looks about right for that low a draw.  

[cowboydan4545]

Ok i assume it’s working now. I was able to drain down the battery a little yesterday. I think i was just buggin that i did something wrong. Thanks everyone!

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