Morningstar SunSaver Duo SSD-25


Morningstar SunSaver Duo SSD-25, a 12V, 25A, PWM charge controller without remote meter, will charge two separate and isolated batteries

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SKU: MOR-164-120 Categories: , Tags: ,

Morningstar SunSaver Duo ™ is an advanced PWM two battery controller for RVs, caravans, boats and cottages. The unit is designed for 25 Amps at 12VDC, charging two separate and isolated batteries at the same time, such as a “house” and an engine battery, based on user selectable priorities.

The SunSaver Duo ™ employs Morningstar’s legendary SunSaver controller technology, whose long-term track
record for high reliability and improved battery charging is well-recognized in the solar industry. The SunSaver Duo is epoxy encapsulated for environmental protection, is user adjustable via DIP switch or connection to a personal computer, and has an optional remote temperature sensor.


  • Two battery charging
  • Easy installation
  • Longer battery life
  • Extensive electronic protections
  • Highly reliable
  • Estimated 15-year life
  • Warranty – five years
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Mnfr. model

Controller type

Max. Voltage

Battery Voltage

Max. current

Arc-fault (AFCI)

Ground-fault (GFCI)

Temperature range




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