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Whistler 2000 Watt Inverter Review XP2000i

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Although pure sine wave inverters are a more preferred choice due to their ability to produce clean power and run your electrical conveniences smoothly, the modified sine wave inverter can also be an excellent cost-effective choice for you, especially if you do not have too much load to run. This inverter type is perfect for running equipment that runs on non-sinusoidal currents such as your electric heaters and bulbs. The major advantage of purchasing this inverter type is that it is less expensive than the pure sine wave inverters, and they run simple systems efficiently. If your inverter runs well on a modified sine wave current, you may as well save money and purchase this inverter type.


  • Model: Whistler XP2000i
  • Color: Black
  • Weight: 7.3 lbs.
  • Product Dimensions: 12 x 8.9 x 3.54 inches
  • Continuous output power: 2000 Watts
  • Surge power capability [peak power]: 4000 Watts
  • Output Wave Form: Modified Sine Wave
  • DC Input Voltage: 12V
  • No Load Current Draw: < 1.0A
  • Operating Input Voltage Range: 11-15.5 V
  • AC Output voltage: 115V
  • AC Output Voltage Range: 110-120 V
  • Cooling: Thermostatically Controlled Fan
  • Remote Port Option: Yes
  • AC Receptacle: North American 3 Prong

What is in the box?

The Box contains the Whistler XP2000i Power Inverter and the User manual. The features of this inverter are listed below.

Power Rating 

With 2,000 watts of continuous power, this inverter is guaranteed to run any of your appliances and equipment within its wattage range as long as the load is not greater than 2000 Watts. It also has a surge capability of 4000W, which helps kick-start appliances such as your microwave that require a large amount of power on startup. You need to check the maximum continuous and surge rating of your device before purchasing this inverter. Do not buy this inverter if your device’s power rating exceeds the power rating of this inverter.

Three 3-prong 110V Standard North American AC Outlets 

They supply 110VAC to your appliances. If your appliances do not match these sockets’ shape, you will need a travel plug adapter to plug in. However, they are not GCFI protected like the pure sine wave inverters. 

Dual USB port output for powering your home appliances and charging USB compatible devices, respectively.

The USB Port is for powering your home appliances and charging USB compatible devices, respectively.

Digital Power Meter for monitoring power usage, i.e., the input volts and output wattage.

This feature is for monitoring power usage, i.e., the input volts and output wattage.

Heavy duty terminals:

This feature allows you to connect your batteries easily, and it accommodates large electrical loads. It has large positive and negative terminal lugs to supply the high current needed for this power inverter. A separate ground lug is also provided for the safe delivery of power.

Thermostatically Controlled Cooling Fan

The two small internal fans keep the unit cool while operating under heavy loads, so proper ventilation is required for reliable operation. Like the similarly rated inverters, they are thermostatically controlled, which means that they only come when the temperature rises above the normal temperature range for this inverter.

Remote Control Outlet

The inverter is designed to be operated remotely via a WHISTLER Remote Control Switch, which plugs into this port. It allows connection directly to the remote panel accessory, which gives you access to control the inverter from about 25ft. You can turn it off and on without even having to move an inch. However, this port is not wireless, so you will need to connect the remote control using a communications cable.


Whistler Remote Control Switch: You can control and monitor the inverter with ease from inside your motorhome via this switch. However, the connection process is not wireless. You connect this panel to the inverter via the remote cable that comes prepackaged with this inverter.

ANL Fuse Kit: This kit helps protect the batteries from accidental direct current (DC) cable shorts that can cause the batteries to explode. You are required to install an ANL fuse close to the positive battery bank terminal for safe operation.


Low Voltage Shutdown: The LED illuminates RED and automatically shuts down the inverter when the battery voltage drops below 10±0.5VDC, thus protecting the battery from being completely discharged.

Low Voltage Alarm: This feature is an indication that your battery needs a recharge. The alarm goes off whenever the battery voltage level has become discharged to 10.5±0.5VDC. It allows you to disconnect your devices before the inverter shuts down completely.

Over Voltage Shutdown: The LED illuminates RED and automatically shuts down the inverter if the input voltage rises to more than 15.5±0.5VDC to prevent devices from getting damaged.

AC Overload Protection: The LED illuminates RED. The inverter will automatically shut itself down when the continuous draw of the equipment being operated or the equipment’s surge draw exceeds the rated capacity. It prevents possible damage to the inverter and equipment connected to it in the event of a power overload.

Thermal Protection: This feature turns the inverter off if its temperature rises above or falls below an acceptable level. The LED will illuminate RED, and the inverter will automatically shut down when the temperature exceeds the limit.

Short Circuit Protection: The inverter will automatically shut down until the short is removed. It helps to prevent malfunction or system failure when there is low resistance.

Smart Surge Control is another safety feature of this inverter where it will attempt to start loads above the continuous rating for up to 10 seconds. This inverter has a high surge capacity, i.e., it handles short-term overload perfectly to help start-up your hard-starting appliances like microwave, AC, large power tools, etc., and protect charging devices.


The cost of this inverter is a good price for a modified sine wave inverter. The warranty plan for this unit is limited to 2 years. The limited warranty is void if the unit is abused, modified, installed improperly, or tampered with.


  • Its dual USB ports are compatible with charging your tabs, iPads, and cell phones.
  • It has a higher number of AC outlets than most of the similarly rated inverters.
  • It is very cost-effective and the cheapest one on this list. You can purchase one of these products at $126.98.
  • It has a high surge capacity (handles short-term overload perfectly) to help start-up your hard-starting appliances like microwave, AC, large power tools, etc.
  • It does not produce clean power as the pure sine wave inverters do.
  • Although it is a piece of heavy-duty equipment, it is not best suited for your sensitive and power-demanding appliances over a long period of time. This is because the power produced by this inverter caused these appliances to wear and tear with time and can cause them to fail unexpectedly.
  • It does not have a trustworthy display unit. An LCD would have been a better option.

The reviews for this product have been one with mixed feelings. It has about 166 reviews on Amazon and 3.8 out of 5- star ratings, which is a good one. Some of the users applauded the ability to provide excellent backup power for home appliances. However, one of the customers suggested that you should get a bigger unit if you need to power larger motors. 


This inverter is a good choice and affordable, especially if you do not have too much load to power. Personally, I would go for this inverter due to its affordable cost, USB ports, and the number of AC outlets. To enjoy this unit, it is essential that you identify the type of loads your inverter will be powering and how much you will be using them between charges. Once you know how much power you will be using, you can determine how much battery capacity you need.

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