CERTIFICATIONS
Not all units are certified. Refer to logos on product (back) for certifications.
Specifications
2
PARAMETERS UNITS MARK/15-12
MARK/20-12
Nominal Voltage Volts 12
Array Voltage, Max (Voc) Volts 26
Charging Current, Continuous (Isc) (MARK/15) Amps 15
Charging Current, Max (60 seconds) (MARK/15) Amps 20
Charging Current, Continuous (Isc) (MARK/20) Amps 20
Charging Current, Max (60 seconds) (MARK/20) Amps 25
Operating Voltage at Battery, Min
Charge Control Volts 0
LCD Metering Volts 7.8
LED Bar-graph Volts 10.5
Current Consumption
Quiescent (Tare) Milliamps 8.8
Charging (with LED Bar-graph off) Milliamps 12.8
LED Bar-graph Milliamps per LED 5
Charge Termination, Factory Set (1) Volts 14.4 + .2
Charge Termination, Adjustable Range (2) Volts 13.6 – 15.3
Charge Resumption, Factory Set (2) Volts 13.0 + .2
Voltage Drop, Array to Battery
Controller Volts per Amp 0.05
Controller and 2 fuses Volts per Amp 0.08
LCD Meter Accuracy
DC Voltage 0.5 %
DC Current 1 %
Operating Temperature Range °C (°F) -30 to 50 (-22 to 122)
Storage Temperature Range °C (°F) -40 to 70 (-40 to 158)
Notes:
(1) This is not a constant voltage controller.
The batteries will drop below this
voltage when completely charged.
(2) The Charge Termination / Resumption
span is fixed. The Resumption set-point
changes as the Termination set-point is
adjusted.
4x7 BOX (ACCESSORY)
In Inches (cm)
.275 (.7)
(9.5)
7.0 (17.8)
(4.4)
5.0 (12.7)
Recognized by Underwriters Laboratories (UL)
Meets all requirements for UL 1741.
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