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Lifan ES4100E - Spec Review

The Lifan ES4100E is a portable open frame generator with a rated wattage of 3500 W and a starting wattage of 4000 W.

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Lifan ES4100ELifan ES4100ELifan ES4100ELifan ES4100E
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Description

Zoom on the Lifan ES4100E

In a nutshell, the Lifan ES4100E is a portable generator mostly geared towards:

  • RV travellers who wish to upgrade their experience to another level
  • People occasionally participating in sporting competitions, open-air performances and outdoor festivals
  • Amateur DIY lovers
  • 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 ES4100E's design includes a gasoline-fueled 212 cc (7 hp) Lifan OHV 4-stroke engine. With a 120V output, it gives a running wattage of 3500W and also a peak wattage of 4000W.

The generator is rated for a noise of 65 dBA (just slightly more noisy than an office). Its starting mechanisms include a conventional pull-start mechanism and a convenient and easy-to-use electric starter (battery not included).

With a full tank, the ES4100E can operate for around 12 hours at 50% load (fuel consumption around 0.33 GPH), thanks to its fuel capacity of 4 gallons.

Outlets

The control panel features the upcoming 7 AC outlets:

Three 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 ES4100E has the following dimensions: L25 x W20 x H24 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.

Even though this device may be technically portable (as in movable), manipulation and transportation without special equipment can be a challenge, as it weighs 118 pounds. 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 ES4100E

The ES4100E'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 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 ES4100E's packaging.

Emissions

The Lifan ES4100E is EPA approved, but NOT CARB-compliant. Thus, it cannot be purchased or sold in California.

The Lifan ES4100E versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Lifan ES4100E compare to generators of similar power (between 3000 and 4000 W).

  • With a dry weight of 118 pounds, the Lifan ES4100E finds itself in the expected weight range for generators able to produce between 3000 and 4000 rated watts. If weight matters to you, one of the champions in this power range is the WEN GN400i with only 66.1 pounds.
  • As this generator can emit noise as low as 65 dBA, it finds itself in the average expected noise for this kind of power. If noise emissions are one of your priorities, you may be interested in the Cat INV4000E, one of the least noisy generators similarly powerful as this one, rated for 51 dBA.
  • Given that the ES4100E reaches an autonomy of around 12 hours with a full tank and at 50% load, it is placed within the average autonomy range of similarly powerful generators. If concerned with autonomy, one of the products of a comparable power output, which offers the highest run time, is the Predator 4375, boasting with around 16 hours.
  • While the run time is an important parameter, it is dependent on the fuel tank’s capacity and thus, doesn’t say much on its own unless we consider fuel consumption as well. This generator reaches an estimated fuel consumption of 0.33 GPH (gallon per hour) at a 50% load, making it average, for the previously mentioned wattage range. If not satisfied with the afore-mentioned fuel consumption, you may wish to check out the Westinghouse iGen4200. With a fuel consumption of as little as 0.17 GPH, it is one of the most efficient generators currently on the market.

Price comparison

As you can see from this interactive chart, when compared to other 3000-4000W generators, the Lifan ES4100E 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
AVERAGE SPECS:
  • Decent weight (118 lbs)
  • Acceptable noise (65 dBA)
  • Decent run time
  • Decent fuel efficiency
WEAKNESSES:
  • No data center
  • Battery not included
  • No remote start
  • Not CARB-compliant
  • No spark arrestor

Do you own the Lifan ES4100E 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
Engine212 cc Lifan OHV 4-stroke
Starting systemRecoil, Electric
Power
VoltageAC: 120V 60 Hz
Running watts3500 W
Starting watts4000 W
Running amps29.2 amps
Peak amps33.3 amps
Run time @50% load12 h
Run time @25% loadUnknown
Features
GFCI outletsNo
Covered outletsNo
Automatic Voltage RegulationYes
AC outlets
  • 3x Duplex 120V 20A (5-20R)
  • 1x 120V 30A (L5-30R)
DC outletsNo
Data centerNo
IndicatorsNo
Fuel tankSteel, 4 gal
Fuel gaugeYes
Misc
Weight118 lbs
Approx. dimensions (L x W x H)25 x 20 x 24 in
Noise (lower limit)65 dBA
THDUnknown
EmissionsEPA
SecurityLow oil and overload protection
Spark arrestorNo
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 ES4100E 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 size calculator.
ItemRunning WattsStarting Watts
At homeRefrigerator (energy star)1921192
Hair dryer18001900
Toaster oven800800
Total2792 W3792 W
For campingRadiant heater13001300
RV refrigerator180600
RV AC (11,000 BTU)10101600
Slow cooker270270
Total2760 W3350 W
For workGrinder14002500
Demolition hammer12601260
Bug zapper8080
Total2740 W3840 W

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