12 / 24V 40A Solar Charge Controller

Model #: Solar ChargeMaster SCM-N 40


Product Details

  • SCM40


    • High efficiency: your batteries are charged quickly.
    • Capacity for solar panel configurations of up to 3600 Wp.
    • Suitable for AGM, gel, wet and Mastervolt Lithium Ion batteries.
    • Fast and flexible setting of battery type.
    • Battery temperature sensor for long lifespan.
    • Automatic 12 V/24 V/48 V detection.
    • Switchable output.
    • Noiseless operation.
    • LCD display.
    • Fully protected against overtemperature, overload, high/low battery voltage, high/low PV voltage, short circuit and reverse polarity.


    Specifications battery charger
    System voltage (battery) 12/24 V auto select
    Battery types AGM, gel, wet, Lithium Ion
    Battery temperature sensor yes
    Lithium Ion protection via DC relay & Multipurpose Contact Output, product code 77030500
    Max. charge current at 25 °C / 77 °F 40 A
    Switchable output (max. current) 40 A
    Energy consumption (night) 4 mA
    General specifications
    Display/read-out LCD display with battery state of charge, status output, battery setting
    Dimensions, hxwxd 98 x 140 x 41 mm
    3.9 x 5.5 x 1.6 inch
    Weight 0.23 kg
    0.5 lb
    Alarms buzzer
    Cooling passive
    Protection degree IP20
    Grounding (-) terminal
    Technical specifications
    Technology PWM (Pulse Width Modulation)
    Temperature range (ambient temp.) -25 °C to 50 °C
    -13 to 122 °F
    Cable size max. 16 mm² Litz wire
    Protections over temperature, over load, high/low battery voltage, high/low PV voltage, short circuit, reverse polarity & HV transients
    Relative humidity 95% non-condensing
    Solar input (DC) specifications
    Nominal PV current at 25 °C 40 A
    PV start voltage (12/24 V) 12.8 V/25.6 V
    Max. PV voltage (Tmin) 50 V
    Max. PV power (12 V) 720 Wp
    Max. PV power (24 V) 1440 Wp
12V or 24V 40A Lithium Ion Solar Charge Controller