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I'll try to do it over the weekend.

I fixed this issue, it was the panel. Even though the panel shows the correct numbers with a multimeter, once its under load it was doing something whacky. New renogy 100w panel and the dcc30s is pumping out 5.5-6amps!

The shine part I understand, but will the mppt kill 1/2 of my solar output when the panel voltage is low? I have an adjustable bench power supply 30v 10a coming from amazon to test this theory. * especially considering the fact that the renogy dcc30s only accepts 25v maximum on the solar input...

I have upgraded from a 30amp pwm wander to a dcc30s. It is charging a renogy 100ah lithium battery using a 75w solar panel. The panel was putting out 4amps with the pwm, but if i switch over to the dcc30s it barely puts out 2amps. It is averaging about 1.5 amps or less of output, 30w or less...