MPPT vs PWM Solar Chargers - Test and Comparison

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After having used a cheap PWM solar charge controller for my small battery powered kayak, I am looking for something better.
I compare the PWM to MPPT solar charge controllers from Victron and epEver as well as a cheap "MPPT" charger from eBay which turns out to be just a PWM charge controller with a fake label.
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So mppt gets you about an extra 10%.

Love the view you have at your house, Lake Tahoe?

AJourneyOfYourSoul
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please test it on 40.4v 330w panel to maximize the difference between them and to see if it is worthy an mppt controller

SamSon