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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 summary, the Lifan ES5700 is a portable generator especially useful for:

  • RV travellers looking for even more independence
  • People occasionally participating in outdoor fairs, festivals or events
  • Food truck owners who want to ensure that their business is fully self-contained and does not rely on potentially unreliable external power
  • Homeowners in need of an emergency backup power for their essentials

The following sections will present you in detail its power characteristics, the different outlets it offers, its overall portability, the extra features it benefits from, and any relevant emission compliance details.

Power & Run Time

The Lifan ES5700 is powered by a 389 cc (13 hp) Lifan OHV 4-stroke engine. It delivers 120V, runs on gasoline and offers a running wattage of 5000W as well as a peak wattage of 5700W.

At a noise rating of 75 dBA (just slightly more noisy than a vacuum cleaner), the generator is started via a conventional pull-start mechanism.

With a full tank, the ES5700 can operate for around 10 hours at 50% load (fuel consumption around 0.65 GPH), thanks to its fuel capacity of 6.5 gallons.

Outlets

The control panel features the upcoming 9 AC outlets:

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

This Lifan generator features an L5-30R receptacle, enabling an easy RV connection via an L5-30P to TT-30R adaptor. However, it is still not quite RV ready.

Portability

The Lifan ES5700 has the following dimensions: L27 x W20 x H22 in. In combination with its conventional, open frame design, they provide support and allow the generator to be raised above ground level. The design is ideal for rough environments and demanding outdoor use.

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). However, its challenging mobility is solved by its wheel kit and its folding handle, which will ease its displacement, once it is on the floor.

Features

Panel of the Lifan ES5700

The ES5700's control panel

The generator allows for a quick, easy and convenient assessment of its gas level, as it is equipped with a built-in fuel gauge.

As for its security measures, the device features an automatic low oil shut-off and an overload protection (circuit breaker), 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).

  • As its weight is 179 pounds, the Lifan ES5700 falls in the expected weight range of the devices in the 4500-5500 rated wattage category. If you are concerned by weight, one of the champions in the above-mentioned power range is the WEN GN6000, with a dry weight of just 119 pounds.
  • As this generator has its lowest possible noise of 75 dBA, it should be considered noisier compared to its peers of a comparable running wattage. If you are concerned with noise, check out the Honda EU7000iS, which is one of the least noisy generators in its power range, with a noise rating of just 52 dBA.
  • 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. Furthermore, considering the run times, one of the generators which have a roughly same power output, with the highest autonomy, is the Cat RP5500, as it provides 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 rather wasteful, compared to other devices within the aforementioned output range, when it comes to gasoline consumption, as it reaches roughly 0.65 GPH at a 50% load. If you wish to further improve in the area of fuel efficiency, the Westinghouse WGen5300DFv, which boasts with a gas consumption of only 0.35 GPH, may be the right generator for you.

Price comparison

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

Therefore, this generator nicely fits in the expected budget for this kind of product.

The bottom line

STRENGTHS:
  • In the expected price range
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
Peak 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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