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Lifan ES5700 Spec Review

The Lifan ES5700 is a portable open frame generator with a rated wattage of 5000 W and a starting wattage of 5700 W.

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Description

LIFAN Power USA’s Energy Storm ES5700 is part of our Energy Storm Portable Generator Line. The unit is EPA Approved. This quality generator is a perfect fit for the emergencies, homeowners, job sites, special events, parties, or weddings! (source: Lifan (opens in a new tab))

Zoom on the Lifan ES5700

In a nutshell, the Lifan ES5700 is a portable generator mostly geared towards:

  • RV travellers looking for even more independence
  • Occasional participants of outdoor events, competitions, concerts and festivals
  • Food van owners who know that just a short power outage could lose them hundreds of dollars
  • Homeowners in need of an emergency backup power for their essentials

In the sections ahead, the power characteristics, availability of various outlets, the portability, and any additional features of the device shall be discussed, including its emission compliance information.

Power & Run Time

The Lifan ES5700's core is the 389 cc (13 hp) Lifan OHV 4-stroke engine, which runs on gasoline. With an output of 120V, it provides a running wattage of 5000W and a peak wattage of 5700W.

With a noise rating of 75 dBA (just slightly more noisy than a shower), the generator features a simple traditional pull-start mechanism.

With a fuel capacity of 6.5 gallons, the ES5700 may run for around 10 hours at 50% load with a full tank (fuel consumption around 0.65 GPH).

Outlets

The control panel features the upcoming 9 AC outlets:

Four Duplexes 120V 20A (5-20R)
120V 30A (L5-30R) receptacle

While this Lifan generator is not RV Ready, its L5-30R receptacle can be used for a simple RV connection with an L5-30P to TT-30R adaptor.

Portability

The dimensions of the Lifan ES5700, which are L27 x W20 x H22 in, and its typical, open frame design provides stability and enables the generator to be raised above ground level. The generator is designed for ideal use outdoors and in rough environments.

Since the generator weighs 179 lbs, it will be incredibly difficult to manually lift it and transport it, even though it is technically considered to 'be portable' (in the sense that it is movable). Nevertheless, it can still be moved quite conveniently with the help of its wheel kit and its folding handle, once it is placed on the ground.

Features

Panel of the Lifan ES5700

The ES5700's control panel

A built-in fuel gauge allows for a quick, easy and convenient check of the fuel level of the generator.

As for its security measures, the device features an overload protection (circuit breaker) and an automatic low oil shut-off, letting you use it with a peace of mind.

Besides the usual set of documentation and owner's manual (opens in a new tab) to get you promptly started, Lifan also included a tool kit in the ES5700's packaging.

Emissions

The Lifan ES5700 is EPA approved, but NOT CARB-compliant. Thus, it cannot be purchased or sold in California.

The Lifan ES5700 versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Lifan ES5700 compare to generators of similar power (between 4500 and 5500 W).

  • Having a dry weight of 179 lbs, the Lifan ES5700 belongs in the expected weight range for generators which produce 4500 to 5500 rated watts. If weight is your top priority, one of the champions in this power category is the WEN 56500, weighing just 119 pounds.
  • If compared to generators capable of producing a similar running wattage, this generator with a lowest emitted noise of 75 dBA can be considered somewhat noisy. For those who are looking for a less noisy device, we suggest the Honda EU7000iS. With just 52 dBA, it is one of the most quiet devices in this power range.
  • As far as autonomy is concerned, providing around 10 hours of runtime with a full tank at a 50% load, the ES5700 falls into the low end in comparison with other devices of a comparable power output. If you consider autonomy on a single full tank as one of the deciding factors, one of the generators in the same power range that offers the highest run time is the Cat RP5500, with around 15 hours.
  • The run time is important, but also hugely depends on the capacity of the fuel tank and doesn't mean much if we don't talk about fuel consumption as well. This generator is somewhat less fuel efficient than devices of comparable output: its estimated fuel consumption reaches 0.65 GPH at a 50% load. If you are concerned with gasoline efficiency, having a fuel consumption of just 0.35 GPH, the Westinghouse WGen5300v is a device you should look out for.

Price comparison

As you can see from this interactive chart, when compared to other 4500-5500W generators, the Lifan ES5700 is on the cheap side of the price range.

It can therefore be a really good buy if you're looking to acquire a budget generator.

The bottom line

STRENGTHS:
  • Inexpensive
AVERAGE SPECS:
  • Decent weight (179 lbs)
WEAKNESSES:
  • No data center
  • No electric start
  • Not CARB-compliant
  • No spark arrestor
  • On the noisy side (75 dBA)
  • Relatively low run time
  • Low fuel efficiency

Do you own the Lifan ES5700 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
InverterNo
PortableYes
Parallel capableNo
RV readyNo
FuelGasoline
Engine389 cc Lifan OHV 4-stroke
Starting systemRecoil
Power
VoltageAC: 120V 60 Hz
Running watts5000 W
Starting watts5700 W
Running amps41.7 amps
Peaks amps47.5 amps
Run time @50% load10 h
Run time @25% loadUnknown
Features
GFCI outletsNo
Covered outletsNo
Automatic Voltage RegulationYes
AC outlets
  • 4x Duplex 120V 20A (5-20R)
  • 1x 120V 30A (L5-30R)
DC outletsNo
Data centerNo
IndicatorsNo
Fuel tankSteel, 6.5 gal
Fuel gaugeYes
Misc
Weight179 lbs
Approx. dimensions (L x W x H)27 x 20 x 22 in
Noise (lower limit)75 dBA
THDUnknown
EmissionsEPA
SecurityLow oil and overload protection
Spark arrestorNo
NeutralBonded to frame
Accessories includedTool kit and wheel kit
Warranty3 years

Unlike many websites, we did our best to research each of the specs above. That being said, we are not immune to making the occasional mistake or omission. Should you notice any missing or incorrect values, don't hesitate to suggest improvements so we can address the issue.

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About Lifan

LIFAN, or rather LIFAN Power USA, is a rather small and new company, based in Arizona. LIFAN’s range is comprised of engines and related products, such as pressure washers, water pumps and of course, generators – of which there is a surprising variety, including inverters, portable generators, but also high output, standby home generators. The company admirably admits that their primary (and most likely only) manufacturing facilities are located in China and their goal is to provide affordable products above all.

Warranty Information

The Lifan ES5700 is covered under a warranty for up to 3 years. This warranty may be limited and may not cover all parts of the generator.
For more information about the warranty of Lifan generators, please consult Lifan's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-866-471-7464.

Questions & Answers

What can it power?
Examples of items that can be simultaneously powered.
The examples below are based on a maximum load of 80% and estimated wattages. For a more accurate estimation, use our generator sizing calculator.
ItemRunning WattsStarting Watts
At homeElectric fry pan15001500
Microwave (1000 watts)15001500
Refrigerator (energy star)1921192
Toaster oven800800
Total3992 W4992 W
For campingRV AC (11,000 BTU)10101600
RV refrigerator180600
Hair dryer18001900
Toaster oven800800
Mixer200200
Total3990 W4580 W
For workTable saw18004500
Belt sander11502400
Total2950 W5650 W

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