Magnum Dimensions 1000W Pure Sine Inverter with 50 amp Charger (MMS1012)


The MMS Series Inverter / Charger is a pure sine wave inverter providing a cost effective solution for those with smaller power needs in mobile applications. Versatile, easy-to-use, and lightweight, the MMS Series provides a reliable base for your energy system. The integrated charger automatically switches to battery charging mode when connected to an external 120v power source, providing 50 amps to the vehicle batteries while passing 12v power through the inverter allowing normal operation of 120v plugs fed from the unit.

Power Factor Corrected (PFC) Charger: Our PFC charger is built into all of our inverter/chargers. It uses less energy from a generator than a standard charger – using 25-30% less AC current than standard chargers.

The MMS1012 allows external 120v plugs to wired remotely, giving you remote mounting flexibility.

Option: Add Circuit Breaker

You will need one 100 amp-rated breaker or fuse (with holder) when installing this component. Circuit breaker is the preferred method of installation.

SKU: MAG-MMS1012 Category:



  • Standard 20A transfer relay
  • Low/High Battery Protection
  • Versatile Mounting
  • Fan Cooled
  • Current Overload Protection
  • Circuit breaker protection
  • Battery Temperature Sensor


  • Output Power: 1,000W
  • Peak Watts: 1,750W
  • Output Voltage: 120 VAC
  • Output Peak: 38amps
  • Output Waveform: Pure Sine
  • Output Frequency: 60 Hz
  • Input Voltage: 12
  • Charger Output Current: 50amps
  • Operating Temp: -20° C to +60° C (-4° F to 140° F)
  • Efficiency: 87%
  • Weight: 23
  • Dimensions: 16.6” x 8.4” x 4.7” (42 cm x 21 cm x 12 cm)
  • UL Certified: Yes
  • Phase: Single
  • Topology: Low Frequency
  • Input Battery Voltage Range: 9-17
  • Warranty: 2 Years

Additional information

Shipping Weight23 lbs
Shipping Dimensions17 × 9 × 6 in



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