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Because of the lower price point of PWM controllers they are often less configurable than MPPT controllers. Still, PWM controllers with configurable setpoints do exist.
The https://amzn.to/2DP98Wm}Duo (two battery) line is configurable with MSView.
It is rebranded as the MISOL B series at parity or slight markup.
The Viewstar BN series is configurable from the controller or from MT-50. It is available in 10A, 20A, 30A, 45A, and 60A models.
It is rebranded as the Renogy Viewstar in 20A and 30A models at 2x the price.