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Lifan ES4100 - 3500/4100W Portable Generator

The Lifan ES4100 is a compact open frame generator with a rated wattage of 3500 W and a starting wattage of 4100 W.

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Description

LIFAN Power USA’s Energy Storm ES4100 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 ES4100

In a nutshell, the Lifan ES4100 is a compact 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 who want to be able to use the most necessary devices in their household, even during a blackout

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 ES4100 is powered by a 212 cc (7 hp) Lifan OHV 4-stroke engine. It delivers 120V, runs on gasoline and offers a running wattage of 3500W as well as a peak wattage of 4100W.

The generator features a simple traditional pull-start mechanism. It is rated for a noise of 65 dBA (just slightly more noisy than a normal conversation).

Thanks to a fuel capacity of 4 gallons, the ES4100 can operate for around 12 hours at 50% load with a full tank (fuel consumption around 0.33 GPH).

Outlets

The control panel features the upcoming 7 AC outlets:

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

Even though this Lifan generator isn't quite RV Ready, its L5-30R receptacle allows an easy RV connection via an L5-30P to TT-30R adaptor.

Portability

The Lifan ES4100 has a conventional, open frame design, of the following dimensions: L23 x W13 x H15 in, which offers support and allows it to be raised above ground level. The generator is designed for ideal use outdoors and in rough environments.

As the generator's weight is 104 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 ES4100

The ES4100's control panel

The generator includes a built-in fuel gauge, a quick, easy and convenient method of checking the device’s gas level.

As far as security is concerned, the generator can be used with a peace of mind, as it features an automatic low oil shut-off and an overload protection (circuit breaker).

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 ES4100's packaging.

Emissions

The Lifan ES4100 is EPA approved, but NOT CARB-compliant. Thus, it cannot be purchased or sold in California.

The Lifan ES4100 versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Lifan ES4100 compare to generators of similar power (between 3000 and 4000 W).

  • As its weight is 104 pounds, the Lifan ES4100 falls in the expected weight range of the devices in the 3000-4000 rated wattage category. If weight matters to you, one of the champions in this power range is the Genmax GM3300i with only 47.4 pounds.
  • Because this generator emits noise as low as 65 dBA, it can be considered to have a pretty average expected noise rating for a device of its power. If noise emissions are one of your priorities, you may be interested in the Cummins Onan P4500i, one of the least noisy generators similarly powerful as this one, rated for 52 dBA.
  • Offering around 12 hours of running time on a full tank at 50% load, the ES4100 is within the average autonomy range of similarly powerful generators. Furthermore, considering the run times, one of the generators which have a roughly same power output, with the highest autonomy, is the Predator 4375, as it provides 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 has an estimated fuel consumption of roughly 0.33 GPH (gallon per hour) at a 50% load, rendering it somewhat average compared to devices of a similar output. If you wish to further improve in the area of fuel efficiency, the Genmax GM3300i, which boasts with a gas consumption of only 0.22 GPH, may be the right generator for you.

Price comparison

As you can see from this interactive chart, when compared to other 3000-4000W generators, the Lifan ES4100 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 (104 lbs)
  • Acceptable noise (65 dBA)
  • Decent run time
  • Decent fuel efficiency
WEAKNESSES:
  • No data center
  • No electric start
  • Not CARB-compliant
  • No spark arrestor

Do you own the Lifan ES4100 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
Power
VoltageAC: 120V 60 Hz
Running watts3500 W
Starting watts4100 W
Running amps29.2 amps
Peak amps34.2 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
Weight104 lbs
Approx. dimensions (L x W x H)23 x 13 x 15 in
Noise (lower limit)65 dBA
THDUnknown
ComplianceEPA
SecurityLow oil and overload protection
Spark arrestorNo
NeutralBonded to frame
Accessories includedTool kit
Warranty3 years
SeriesEnergy Storm
UPC098764300566

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 ES4100 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 homeDish washer15003000
Refrigerator (energy star)1921192
Washing machine9001650
Total2592 W4092 W
For campingRV AC (11,000 BTU)10101600
RV refrigerator180600
Microwave (1000 watts)15001500
Radio100100
Total2790 W3380 W
For workGrinder14002500
Demolition hammer12601260
Bug zapper8080
Total2740 W3840 W
What type of oil does it take (Asked February 13, 2021)

SAE 10W-30 is recommended for general, all temperature use.

Can it operate a 50 inch flat screen tv and 4 box fans (Asked August 29, 2021)

The unit is not suitable for powering equipment that contains sensitive electronics. It should have no issue handling the 4 box fans.

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