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Generic Solar Charge Controller identification

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drummerdimitri:
I have a cheap solar charge controller that I bought to have some fun with solar power however I am not sure if it is a PWM or MPPT model.

Is there an easy way to tell them appart? Is the charging PWM'ed? If so I could not see anything other than DC on my scope.

digsys:
Not really, there is a huge variation in design techniques for both. Can you take a pic and maybe write down some of the "important" looking components.
ie MPU / controller / FETs? / Inductors / caps

radiolistener:
if it's cheap, most of all is that this is usual PWM controller.

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