The MasterVolt Solar Charger SCM40 PWM is based on PWM technology and suitable for charging all types of lead-acid batteries.

The ChargeMaster features a large display and switchable output with evening/night lighting function, making it user-friendly and flexible. Optional temperature sensor available.


  • Suitable for both 12V and 24V systems
  • Protection against water spray and high ambient temperatures
  • Large display and switchable output with evening/night lighting function
  • Compatible with all types of lead-acid batteries
  • Optional temperature sensor available


System voltage (battery) Nominal charge current Battery types Max. PV current (Impp) Recommended PV power (12V system) Recommended PV power (24V system) Cooling Display/read-out Grounding Protection degree Dimensions (hxwxd) Weight Technology Temperature range (ambient temp.) Cable size Protections Relative humidity
12/24V auto select 40A AGM, Gel, flooded 40A 720 Wp 1440 Wp Passive Backlit LCD with PV power, load power, battery voltage, charge current, warnings, battery state of charge, battery setting Common negative grounding IP23 98 x 189 x 53 mm (3.9 x 7.4 x 2.1 inches) 0.5 kg (1.1 lb) PWM (Pulse Width Modulation) -20 °C to 50 °C, derating power > 40 max. 16 mm² Over temperature, over load, high/low battery voltage, high/low PV voltage, short circuit, reverse polarity & HV transients 95% non-condensing
SKU MV131824000
Barcode # 131824000
Brand Mastervolt
Shipping Weight 0.5000kg

Manufacturer's warranty included

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