Solar Controller MPPT MakeSkyBlue VS Epever. Which one is the best?

This video will explain about the physical comparison, internal part of the controller or the hardware itself complete with the result of MPPT MakeSkyBlue S3-30A and EPEVER TRACER 3210A. The experiment was done on the same input and battery for 12V (voltage system). In the end, you can decide which one is better or preferrable for you based on the experiment in this video. In this video, we won't talk about the price comparison. So you can compare it for yourself. You must remember, they have their own pros and cons.
MakeSkyBlue:
www.scribd.com...
EPEVER:
www.epsolarpv....
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ROLETECH ELECTRO