Forum Discussion

Cdash's avatar
Cdash
Explorer
Jan 19, 2016

Solar - anyone regret getting PWM charge controller?

Looking to do a solar installation and have been studying up. Think I'm pretty good on most of it, however, still struggling with the charge controller. As I understand it, the PWM kind of "chops of...
mlts22's avatar
mlts22
Explorer
Jan 19, 2016
The biggest reason why I recommend MPPT is because I want every single watt from the limited space on the roof. If I were using a larger array or something portable, a PWM might be the ticket.

PWM controller prices are easy on the budget, though. I bought a controller for $8 from eBay, and if one isn't needing every single watt, the money saved by doing that is noticable.

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