Morningstar SunLight SL-20L-12V 20A 12Vdc PWM Charge Controller

SKU: 520-0036


Morningstar, SunLight Charge/Lighting Controller, 20A, 12VDC, SL-20L-12V

The SunLight SL-20L-12V solar lighting controller from Morningstar combines the SunSaver architecture with a microcontroller for automatic lighting control. Established reliability, precise lighting control, and PWM battery charging are all features of the SunLight series technology. There are four different models available: 12 Volt 10 Amp, 12 Volt 20 Amp, 24 Volt 10 Amp, and 24 Volt 20 Amp.

Individual lighting control features on Morningstar's SunLight charge controllers include determining day and night with ten different preset lighting control options, calculating the duration of the night, and more (which is calculated by taking a moving four-night average, and adjusts for seasonal changes). SunLight's controller series has a fifteen-year projected life cycle, is simple to use, and has a high performance with low self-consumption. The SunLight-20 has a SunSaver battery charging circuit that works in parallel with the SunSaver for 40 Amps solar.


  • Smart & Accurate - The PV array detect day and night. Temperature reimbursement. The digital precision of a microcontroller. The operation is fully automated.
  • Adjustable & Adaptable - There are ten different lighting control choices that can be adjusted in the field. On/off/on features that are special. Capability for manual inspection. Choose between sealed and flooded batteries. Both 12/24 Vdc lamps are compatible.
  • Safe & Certified - Encapsulated in epoxy. Terminals with a marine rating. The case made of anodized aluminum. The product is CE certified. Override protection for LVD.