Morningstar SL-20L-12V PWM Solar Charge Controller


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Out of stock


  • Includes all the advantages of the SunSaver charge controller – please refer to the SunSaver product information for more details
  • Using solar array voltage to determine day and night, the SunLight provides 10 different lighting control options
  • By measuring the length of the night, the SunLight’s ON/OFF/ON options provide the capability to turn on the light at sunset, turn off the light after 3 to 6 hours, and then turn on the light again for 1 or 2 hours before sunrise
  • The length of the night is calculated by taking a moving 4 night average, and thus automatically adjusts for seasonal changes in the length of the night
  • The test button helps the installer by blinking the red LED to confirm correct selection of lighting control option, and also turns on the light for 5 minutes to verify that the light is operating correctly
  • Timer accuracy is within 2 seconds
  • The SunLight is available in 10A or 20A, and at 12VDC or 24VDC
  • For solar arrays greater than 20A, the SunLight may be used in parallel with the SunSaver controller (lighting control limited to 20A)


Morningstar’s SunLight is the world’s leading solar lighting controller. We have combined all the advantages of our SunSaver charge controller with some unique lighting control features.


Weight 1 lbs
Dimensions 7 × 2.5 × 1.5 in

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