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Lifan ES5700E Spec Review

The Lifan ES5700E is an open frame portable generator with a rated wattage of 5000 W and a starting wattage of 5700 W.

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Picture 1 of the Lifan ES5700E
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Description

Zoom on the Lifan ES5700E

In summary, the Lifan ES5700E is a portable generator especially useful for:

  • RV travellers who wish to upgrade their experience to another level
  • People occasionally participating in sporting competitions, open-air performances and outdoor 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

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 ES5700E houses a 389 cc (13 hp) Lifan OHV 4-stroke engine, which provides 120V, consumes gasoline and delivers a running wattage of 5000W along with a peak wattage of 5700W.

The generator features a conventional pull-start mechanism and also a simple and elegant electric starter (battery not included). It is rated for a noise of 75 dBA (just slightly more noisy than a vacuum cleaner).

The fuel capacity of 6.5 gallons allows the ES5700E to operate for around 10 hours at 50% load with a full tank (fuel consumption around 0.65 GPH).

Outlets

The control panel provides 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 Lifan ES5700E has a conventional, open frame design, of the following dimensions: L30 x W23 x H22 in, which offers support and allows it to be raised above ground level. The design is ideal for rough environments and demanding outdoor use.

As the generator's weight is 190 pounds, manually moving it or transporting it may be challenging, despite the fact that it is technically considered 'portable' (movable).

Features

Panel of the Lifan ES5700E

The ES5700E's control panel

Thanks to a built-in fuel gauge, the generator allows you to quickly, conveniently and easily check the gas level at a glance.

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 to get you promptly started, Lifan also included a tool kit in the ES5700E's packaging.

Emissions

The Lifan ES5700E is EPA approved, but NOT CARB-compliant. Thus, it cannot be purchased or sold in California.

The Lifan ES5700E versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Lifan ES5700E compare to generators of similar power (between 4500 and 5500 W).

  • With its weight of 190 lbs, the Lifan ES5700E is one of the heavier generators in the 4500-5500 rated wattage category. If weight matters to you, one of the champions in this power range is the WEN 56500 with only 119 pounds.
  • This generator, with its lowest possible noise rated at 75 dBA falls into the more noisy category, compared to other devise of a similar 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.
  • Autonomy-wise, with around 10 hours on a full tank at a 50% load, the ES5700E is on the low end when compared to other generators of a similar 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.
  • Even though run times are undoubtedly important, they are dependent on the fuel capacity to a large extent. For a more wholesome picture, we must take into consideration the fuel consumption of the generator. 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 acquire one of the most gasoline efficient products of this power range, the Westinghouse WGen5300v, with a fuel consumption of 0.35 GPH could be in your good books.

Price comparison

As you can see from this interactive chart, when compared to other 4500-5500W generators, the Lifan ES5700E 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
  • Electric start
WEAKNESSES:
  • No data center
  • Battery not included
  • No remote start
  • Not CARB-compliant
  • No spark arrestor
  • On the heavy side (190 lbs)
  • On the noisy side (75 dBA)
  • Relatively low run time
  • Low fuel efficiency

Do you own the Lifan ES5700E 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, Electric
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
Weight190 lbs
Approx. dimensions (L x W x H)30 x 23 x 22 in
Noise (lower limit)75 dBA
THDUnknown
EmissionsEPA
SecurityLow oil and overload protection
Spark arrestorNo
Accessories includedTool 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 ES5700E 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 sizer.
ItemRunning WattsStarting Watts
At homeRefrigerator (energy star)1921192
Hair dryer18001900
Electric grill16501650
Slow cooker270270
Set of 5 LED light bulbs5555
Total3967 W4967 W
For campingRadiant heater13001300
RV refrigerator180600
Hair dryer18001900
Rice cooker650650
Set of 5 LED light bulbs5555
Total3985 W4405 W
For workTable saw18004500
Belt sander11502400
Total2950 W5650 W

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