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diy solar

Renogy MPPT-no load- LOSES volts?

solarstuff

New Member
Joined
Jul 18, 2020
Messages
218
Location
Ontario, Canada
Has anyone come across this before?

My renogy rover li 40a charged my renogy smart lithium 170ah batts to 13.3.

I've been waiting to see this because I've been stuck at 13.2 for a couple days and sonput no load on it to see how long it would take.

At the end of a couple days waiting, still under full sun, the multimeter tlread 13.31.

When I looked over not ten minutes later it had dropped to 13.26.

Is this a regular voltage 'dip'? I don't want to see problems all the time so just thought I'd ask.
 
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