12 / 24V 20A Solar Charge Controller

Model #: SCM-N 20 SKU: MV-131802000


Product Details


  • 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 20 A
Switchable output (max. current) 20 A
Energy consumption (night) 5 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 0.2 kg
0.4 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 20 A
PV start voltage (12/24 V) 12.8 V/25.6 V
Max. PV voltage (Tmin) 50 V
Max. PV power (12 V) 360 Wp
Max. PV power (24 V) 720 Wp
12 / 24V 20A Solar Charge Controller - SCM-N 20 - Mastervolt - Lithium Ion Solar Charge Controllers