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Professional Mariner TruePower 400W Continuous Power Inverter

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Professional Mariner, LLC TruePower 400W Continuous Power Inverter

Power electronics, tools, appliances and more from your boat, truck, or RV. Advanced electronic modified sine wave technology. Battery saver auto mode, 3 position battery switch. Continuous power rating. High surge rated. LED power and fault indicators.


  • Power inverter
  • 400 W

Product Details:

  • Case Included: No
  • Adapter Included: Yes
  • Peak Power: 800 Watts (W)
  • Continuous Power: 400 Watts (W)
  • Power Input: Hard wired
  • Power Output: AC outlet
  • Input Voltage: 15 Volts (V)
  • Output Voltage: 110 Volts (V)
  • Outdoor Use: Yes


  • Overall: 3" H x 6" W x 9.25" D
  • Overall Product Weight: 7lbs

Special Offer:

24 Issues of Better Homes and Gardens

Included with purchase ($10 value). 

Professional Mariner, LLC TruePower 400W Continuous Power Inverter

Additional Documents

Owner Manual

Weights & Dimensions

  • Overall: 3" H x 6" W x 9.25" D
  • Overall Product Weight: 7lbs


Product Type: Recreational inverterFinish: Silver; Blue
Hardware Finish: Stainless Steel ScrewsMaterial: Aluminum; Plastic
Hardware Material: Stainless steelNumber of Items Included: 1
Rust Resistant: YesRemote Included: No
Case Included: NoDC Outlet Cables Included: Yes
Adapter Included: YesBuilt-in Cooling Fan: Yes
Number of Battery Switch Positions: 3LED Display: Yes
Peak Power: 800 Watts (W)Continuous Power: 400 Watts (W)
Power Input: Hard wiredPower Output: AC outlet
Outlet Prong Count: 3Silent: Yes
Maximum Efficiency: 85%No-load Draw: 0.65 Watts (W)
Input Voltage: 15 Volts (V)Output Voltage: 110 Volts (V)
Low Voltage Alarm: YesLow Voltage Shutdown: Yes
High Voltage Alarm: YesHigh Voltage Shutdown: Yes
Overload Shutdown: YesThermal Shutdown: Yes
  • Thermal Shutdown Temperature: 120 Fahrenheit
Short Circuit Protection: YesReverse Polarity Protection: Yes
Replaceable Fuse: YesOutdoor Use: Yes
Country of Manufacture: Taiwan 


Assembly Required: NoInstallation Required: Yes
  • Tools Needed for Installation: Drill, drill bits, screwdriver, pliers
Additional Parts Required: Yes
  • Parts Needed: Mounting screws, in-line fuse, gauge wire


Product Warranty: 1 Year limited warranty 


UL Listed: Yes 

About the Manufacturer

Designed for long-lasting performance, ProMariner has an expanding line of marine product. Professional Mariner aims to make boating more enjoyable!

Professional Mariner, LLC TruePower 400W Continuous Power Inverter

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    When you buy a Professional Mariner TruePower 400W Continuous Power Inverter online from Wayfair, we make it as easy as possible for you to find out when your product will be delivered. You can check on a delivery estimate for the Professional Mariner Part #: 05040 here. If you have any questions about your purchase or any other Inverters product for sale our customer service representatives are available to help.Whether you just want to buy a Professional Mariner TruePower 400W Continuous Power Inverter or shop for your entire home, Wayfair has a zillion things home.
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    OUR SKU # PRMR1002

    TruePower 400W Continuous Power Inverter is also sometimes listed under the following manufacturer numbers: 05040