003251 – Charge Controller, 24VDC, 10A, PWM, LVD, SL-10L-24V


Morningstar SunLight SL-10L-24V

Product Documents

SKU: 003251 Category: Tag:


MorningStar SunLight SL-10L-24V Charge Controllers

Morningstar’s SunLight™ solar lighting controller combines the SunSaver design with an advanced microcontroller for automatic lighting control functions.

Four Versions Available:

• 12 Volt: 10 and 20 amp ratings
• 24 Volt: 10 and 20 amp ratings


5 Year

Model Numbers

SL-10L-24V, SL-10L-12V, SL-20L-24V, SL-20L-12V

SL-10L-24V Key Features and Benefits

• Microcontroller digital accuracy
• Fully automatic operation
• Ten field adjustable lighting control options
• Special on/off/on lighting functions
• Manual test capability
• LVD override protection
• Detects day and night using the PV array
• Suitable for all 12/24 Vdc lamps
• Sealed/Flooded battery select
• Temperature compensation
• Parallel with a SunSaver for 40 amps solar
• Includes SunSaver battery charging circuit

Electrical Specifications

12 Volt 24 Volt
Rated Solar Input 10/20 A 10/20 A
Rated Load 10/20 A 10/20 A
25% Current Overload 5 min. 5 min.
Regulation Voltage:
  Sealed Battery 14.1 V 28.2 V
  Flooded Battery 14.4 V 28.8 V
Load Disconnect 11.7 V 23.4 V
LVD Reconnect 12.8 V 25.6 V
Temp. Comp. (mV/˚C) –27 –54
Self-consumption 8 mA 9 mA
Operating Temp. –40 to +85ºC


Wire size #10 AWG (5.2 mm2)
Anodized aluminum case
Marine rated terminals
Epoxy encapsulated
Weight is 9 oz (0.26 kg)


• Ambient temperature –40°C to +60°C
• Storage temperature –55°C to +80°C
• Humidity 100% non-condensing
• Tropicalization Epoxy encapsulation
Marine rated terminals
Anodized aluminum case


The charge controller’s high voltage capability and flexible design enable several application scenarios including:

  • Oil & Gas
  • Remote Monitoring
  • Telecom
  • Security
  • Water & Wastewater
  • Traffic
  • Much More!

Morningstar Corporation is a world-leading manufacturer and supplier of solar charge controllers & inverters. Since our inception in 1993, over three million Morningstar units have been installed in over 112 countries around the world. Our controllers & inverters have set new standards in performance, quality, reliability and innovative features, and global solar markets have consistently recognized Morningstar’s products as the industry’s best overall customer value.

Our manufacturing is conducted in a fully automated world-class ISO 9001 facility, and our quality control includes 100% functional testing on every product, using the latest computerized test equipment and processes. For over 20 years, Morningstar has not changed its ownership, management or strategy, helping to build trusted, long term relationships among its employees, customers and suppliers.

Looking for more technical information on solar charge controllers? View our Tech-Note on different types of charge controllers!