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Mastervolt, 131822000, Solar ChargeMaster SCM20 PWM

  • Model: 131822000
  • GTIN: 00816882022180
  • Manufactured by: Mastervolt
  • Condition: New
  • Estimated Delivery: 2 to 3 Weeks
  • Lead Time To Ship May Vary

$110.80 $85.23

Manufacturer Info


This solar charge regulator based on PWM technology is a great solution to charge your batteries with solar energy. Suitable for both 36 cells panels (in 12 V systems) and 72 cells panels (in 24 V systems). Its protection against water spray, suitability for high ambient temperature and compatibility with negative grounding, make it the perfect solar regulator for marine and mobile environments. Optionally, a temperature sensor is available.

Safe, user friendly, and flexible

The SCM20 PWM is suitable for all types of lead-acid batteries in both 12 V and 24 V. The device features a large display and switchable output with evening / night lighting function.
Specifications battery charger
System voltage (battery)12/24 V auto select
Nominal charge current20 A
Battery typesAGM, Gel, flooded
Battery temperature sensoroptional, product code 41500500
Switchable output (max. current) 20 A
Energy consumption (night)< 7 mA
Specifications solar input (DC)
Panel type (12 V system)36 cells
Panel type (24 V system)72 cells
Max. PV current (Impp)20 A
Recommended PV power (12 V system)360 Wp
Recommended PV power (24 V system)720 Wp
General specifications
Display/read-outbacklit LCD with PV power, load power, battery voltage, charge current, warnings, battery state of charge, battery setting
Groundingcommon negative grounding
Protection degreeIP23
Dimensions, hxwxd 98 x 189 x 53 mm 3.9 x 7.4 x 2.1 inch
Weight 0.5 kg 1.1 lb
Technical specifications
TechnologyPWM (Pulse Width Modulation)
Temperature range (ambient temp.) -20 C to 50 C, derating power > 40 C -4 F to 122 F
Cable sizemax. 16 mm
Protectionsover temperature, over load, high/low battery voltage, high/low PV voltage, short circuit, reverse polarity & HV transients
Relative humidity95 % non-condensing

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