SunKeeper™ solar controller provides a low cost regulated output directly from the solar module to maximize battery life in small solar power applications. The SunKeeper is epoxy encapsulated and rated for outdoor use. By mounting directly to the module junction box and wiring through the junction box knockout, the connection is weather-proof. This eliminates the need for an additional housing for the controller.

“This is a great little unit…an outstanding charge controller”

Models: SK-6, SK-12,

Specifications and Certifications by Model

Model SunKeeper SK-6 SunKeeper SK-12
Charge Rating 6 amps 12 amps
Max. PV Open Circuit Voltage (Voc) 30 volts 30 volts
Nominal Battery Voltage 12V 12V
Self-Consumption 2-7 mA 2-7 mA
Minimum Battery Voltage 0V 0V
Voltage Accuracy +/- 150mV +/- 150mV
Operating Temperature Range -40 C to +70C -40 C to +70C
Warranty 5 Years 5 Years
CE and RoHS compliant Yes Yes
Approved for use in Hazardous Locations: Class 1, Division
2, Groups A-D
Yes Yes
Manufactured in a Certified ISO 9001 Facility Yes Yes
Key Features and Benefits
  • High Temperature Rated
    Rated to 70°C to operate in high temperatures at the solar module. More reliable than controllers mounted inside the junction box. Uses very low on-resistance power MOSFET’s. No need to re-rate.
  • Outdoor Rated Rugged Design
    ETL approved for outdoor use without an additional enclosure. Rugged IP65, UV resistant case. Epoxy encapsulated printed circuit board and watertight connection to the module junction box.
  • Ideal for Oil/Gas Applications
    Specifically designed for solar power systems in the oil/gas industry. Approved for use in Class 1, Division 2, Groups A,B,C,D.
  • Extensive Electronic Protections
    Fully protected against reverse polarity, short circuit, overcurrent, lightning and transient surges, high temperature and reverse current at night.
  • Longer Battery Life
    Series PWM with 3 stage charging: bulk, PWM regulation and float. Includes temperature compensation at the controller or alternatively at the battery when using optional remote temperature sensor. Able to charge a zero voltage battery.
  • More Information
    Bi-color LED is easy to read from the ground when the solar module is pole-mounted. Indicates solar charging, regulation, normal nighttime operation and any controller or system faults.
  • Easy to Install
    Fits standard half inch conduit knockout (PG 13.5, M20) in module junction box. Quickly fastens with included locknut. Wires have fork connectors for easy connection to solar module terminals.