SUNSAVER DUO™ CONTROLLER 25 amps / 12 volts

The SunSaver Duo is a two battery bank solar controller with optional remote meter for RV’s, caravans and boats.

  • Two Battery Charging – Solar charge current is shared between two batteries based on a user selectable priority. When one battery is fully charged, all of the charge current flows to the other battery.
  • Highly Reliable – Epoxy encapsulation protects the controller against dust and high humidity. Extensive electronic protections, including short circuit, over current and reverse polarity, ensure that the controller will not be damaged by wiring mistakes or overloads.
  • User Adjustable – Control parameters may be adjusted using the DIP switch on the controller. Further customizing is enabled by connecting to a personal computer and using Morningstar’s PC
SKU: SSD-25RM or SSD-25 Category:


Morningstar SunSaver Duo ™ is an advanced PWM two battery controller for RVs, caravans, boats and cottages. Designed for 25 amps at 12 volts DC, at the same time calculate this product of two separate batteries and isolated as a “house” and an engine battery, based on user selectable priorities. This controller also includes a backlit remote meter which may be mounted in or on a wall, and displays digital image and status information about the solar power system.

5 years

Key Features and Benefits

  • Two battery charging
  • Offers more system information
  • Lower cost
  • Easy installation
  • Longer battery life
  • Extensive Electronic Protections
  • Highly Reliable
  • Estimated 15-year life