Morningstar SunLight SL-20L-24V 20A 24Vdc PWM Charge Controller

SKU: 520-0143

Morningstar, SunLight Charge/Lighting Controller, 20A, 24VDC, SL-20L-24V

Morningstar’s advanced SunLight SL-20L-24V solar lighting controller combines the SunSaver design with a microcontroller for automatic lighting control functions. The SunLight series technology provides: proven reliability, precise lighting control and PWM battery charging. Four versions are available: 12 Volt 10 Amp ratings, 12 Volt 20 Amp ratings, 24 Volt 10 Amp ratings, and 24 Volt 20 Amp ratings.

Morningstar's SunLight charge controllers have a variety of individual lighting control features, which; determine day and night with ten different preset lighting control options, measuring the length of the night (which is calculated by taking a moving four night average, and adjusts for seasonal changes). The SunLight's controller series carries an expected 15-year life span, they are easy to use, and have high efficiency with a low self-consumption. The SunLight-10 parallels with the SunSaver for 40 Amps solar, and includes a SunSaver battery charging circuit.


  • Smart & Accurate - Detects day and night using the PV array. Temperature compensation. Microcontroller digital accuracy. Fully automatic operation.
  • Adjustable & Adaptable - Ten field adjustable lighting control options. Special on/off/on functions. Manual test capability. Sealed/Flooded battery select. Suitable for all 12/24VDC lamps.
  • Safe & Certified - Epoxy encapsulated. Marine rated terminals. Anodized aluminum case. CE certified. LVD override protection.

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