Get yours today!
In the last 7 days
Delivery timeframe shown above at checkout
Unlimited lifetime support, always available.
Trade pricing on 169 authorized brands. Full OEM warranties. 7-10 business days delivery.
Shop All ProductsPremium monocrystalline and bifacial panels with 25-year warranties from authorized manufacturers.
Shop Solar PanelsString, micro, and hybrid inverters from 8+ authorized brands. Full warranty and technical support.
Shop InvertersHome and commercial battery systems from leading manufacturers. Grid-tied and off-grid options.
Shop BatteriesRoof and ground mount systems from IronRidge, Unirac, and K2. All components in stock.
Shop RackingMPPT and PWM charge controllers for off-grid and hybrid solar systems from authorized brands.
Shop ControllersHome standby, portable, and commercial generators. Automatic transfer switches and installation accessories.
Shop GeneratorsHome and commercial EV chargers. Smart connectivity and universal compatibility.
Shop EV ChargersBreakers, panels, wire, conduit, and safety switches from Square D, Siemens, Eaton, and more. Not just solar.
Shop Electrical50,000+ SKUs, 169 authorized brands. Our team helps you find the right products for any project.
Get a Quote

The Morningstar Corporation SL-20L-24V 20A Charge Controller is designed for efficient solar power management, featuring a digital microcontroller for precision and ease of use. It offers optimized PWM battery charging, greatly extending the lifespan of your batteries, and supports both 12V and 24V systems. Ensure a seamless solar lighting operation with this advanced controller, engineered for durability and consistent performance.
The integration of a digital microcontroller in the Morningstar Sunlight ensures highly accurate and fully automated control, enhancing the reliability of your solar lighting system.
With optimized Pulse Width Modulation charging, the controller extends battery longevity while maintaining efficient energy management. This feature is especially beneficial in varied lighting conditions.
Offering ten different lighting control settings, including Dusk-to-Dawn and timed options, the SL-20L-24V 20A caters to diverse lighting needs, enhancing user flexibility.
Crafted from corrosion-resistant materials with a hard coat anodized casing and stainless steel screws, this controller is built to withstand harsh environments.
Safety is paramount with features like polarity and brownout protection, safeguarding the controller against installation and operational mishaps.
This controller harnesses solar energy to efficiently manage battery charging and lighting operations. Its robust components and intelligent design streamline solar power utilization, suitable for both technical and non-technical users.
The incorporated digital microcontroller guarantees precise control over operations, ensuring reliability and ease of use in solar lighting systems.
Employing Pulse Width Modulation, this product optimizes energy conversion, maintaining efficient battery charging and improving overall system performance.
Select from a range of lighting control options to tailor your solar lighting experience, with simple settings that can be adjusted as per your needs.
| System Voltage | 24 V |
| Maximum Voltage | 50 V |
| Rated Solar Input | 20 A |
| PV Short Circuit Rating | 25 A |
| Rated Load | 20 A |
| Temperature Compensation | -54 mV/C |
| Self-consumption | 9 mA |
| Ambient Temperature Range | -40 to 60 C |
| Regulation Voltage (Sealed PWM) | 28.2 V |
| Regulation Voltage (Flooded PWM) | 28.8 V |
| LVD | 23.4 V |
| LVD Reconnect | 25.6 V |
From hurricanes to blackouts, reliable solar power ensures you're able to keep your home & family safe no matter what comes your way.
Making one-click solar solutions simple since 2018. Whether you’re powering a cabin, charging devices, or backing up your home.
Say goodbye to reliance on the energy companies. Enjoy the same freedom that 50,000+ customers have with their own solar power system.
$150 Value - Free Offer (Limited Time Only!) No Strings Attached. Totally Free. Takes Less than 2 Minutes.