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| Model | SL-20L-24V |
| Charge Rating | 20 amps |
| Load Rating | 20 amps |
| System Voltage | 24V |
| Load Disconnect | 23.4V |
| LVD Reconnect | 25.6V |
| Lighting Control Options | 10 programmable settings |
| Timer Accuracy | Within 2 seconds |
| Self-Consumption | 9 mA |
| Temperature Compensation | -54 mV/°C |
| Operating Temperature | -40°C to +60°C |
| Wire Size | #10 AWG (5.2 mm²) |
| Weight | 9 oz (0.26 kg) |
| Warranty Period | 5 Years |
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Morningstar SunLight Charge Controller 24 volts 20 Amp
SKU SL-20L-24
SunLight SL-20L-24V Lighting Controller
The SunLight SL-20L-24V delivers maximum 20-amp power capacity for 24V systems with microcontroller-managed automatic lighting control functions for the most demanding solar lighting installations.
- Maximum Power & Efficiency: 20-amp capacity in 24V configuration provides the highest power capability while reducing current loads and wiring costs for large installations.
- 10 Programmable Lighting Options: User adjustable for 2 to 10 hours ON or all night with unique ON/OFF/ON settings that conserve energy and provide pre-sunrise lighting.
- Microcontroller Precision: Timer accuracy within 2 seconds with automatic day/night detection using the PV array for reliable lighting control.
- 24V Load Management: Automatic load disconnect at 23.4V and reconnect at 25.6V prevents battery damage while managing high-capacity lighting loads in 24V systems.
- Easy Setup & Testing: Test button confirms correct installation by turning lights on during daylight with LED indicator showing selected lighting option.
- Rugged Design: Anodized aluminum enclosure with epoxy encapsulation and marine-rated terminals for harsh environmental conditions.
SunLight Lighting Control Options
SunLight SL-20L-24 Certifications
The SL-20L-24 meets international quality and safety standards for global deployment in solar lighting applications requiring reliable automated control.
- CE Marking - European Conformity for EU market access
- RoHS Compliant - Restriction of hazardous substances
- REACH Compliant - European chemical safety regulation
- ISO 9001 - Manufactured in certified quality facility
Contact Us toll-free: (877) 297-0014
Read more about Morningstar SunLight charge controllers.
Morningstar SunLight Solar Lighting Controller Review
The SunLight SL-20L-24V combines maximum 20-amp power capacity with 24V system efficiency and intelligent microcontroller-managed lighting functions for the most demanding commercial and industrial installations. Building on the industry-standard SunSaver platform that has deployed over 1.5 million units worldwide, the SL-20L-24V delivers sophisticated lighting control with 10 programmable options and 2-second timer accuracy for large-scale municipal projects, airport lighting, industrial facilities, and major commercial installations. The maximum power capability combined with 24V efficiency reduces current loads and enables the largest solar lighting systems while the unique ON/OFF/ON energy conservation settings and automatic day/night detection make it ideal for applications where ultimate performance and system efficiency are critical.
Morningstar SunLight Solar Lighting Controller Applications
Lighting
Residential
Surveillance & Security
Traffic & Signaling
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