MorningStar SunLight SL-20L-24V 20 Amp 24 Volt Solar Lighting Controller

MorningStarSKU: SL-20L-24V

Sale price$125 Regular price$172 Save $47
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MorningStar SunLight SL-20L-24V 20 Amp 24 Volt Solar Lighting Controller. Morningstar's advanced SunLight SL-20L-24V solar lighting controller combines the SunSaver design with a microcontroller for automatic lighting control functions. This technology provides proven reliability, precise lighting control, and PWM battery charging. MorningStar's products are built from the inside out to deliver more than twice the industry average operating life.

The SL-20L-24V delivers high reliability and excellent performance and features such as:

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


  • Marine rated terminals
  • Epoxy encapsulated

To view all product specifications: Click here to download the product data sheet.



25% current overload 5 minutes
dimensions 1.32" H x 2.18" W x 6.60" D (34 x 55 x 168 mm)
load disconnect 23.4 V
lvd reconnect 25.6 V
material Anodized aluminum case
operating temperature -40 to +85┬║C
rated load current 20 A
rated solar input 20 A
regulation voltage 28.2 V (Sealed Battery)
self consumption 9mA
temperature compensation (mV/˚C): -54
weight 9 oz (0.26 kg)
wire size #10 AWG (5.2 mm^2)

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