"Jim Wilkins" wrote in message
news

Here is a good analysis of PWM vs MPPT:
https://www.victronenergy.com/upload...WM-or-MPPT.pdf
On Amazon PWM controllers go for $20 or less, MPPTs for $100 and up.


At 11AM the two 100W panels were sending 175W into the batteries
through a $20 PWM controller. I can't justify a $100 MPPT controller
to gain 25W.
-jsw