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Lifan ESI 2500iER-EFI Spec Review

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The Lifan ESI 2500iER-EFI is a quiet and compact portable inverter generator with a rated wattage of 2400 W and a starting wattage of 2500 W.

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Description

Zoom on the Lifan ESI 2500iER-EFI

In a nutshell, the Lifan ESI 2500iER-EFI is a quiet and compact portable inverter generator mostly geared towards:

  • Camping and tailgating hobbyists looking for a portable power source
  • Amateur DIY lovers

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 ESI 2500iER-EFI is powered by a 125 cc (4 hp) Lifan OHV 4-stroke engine. It delivers 120V, runs on gasoline and offers a running wattage of 2400W as well as a peak wattage of 2500W. In addition, as it is parallel capable (Duo Power parallel kit not included), this power can be doubled when linked to another similar or compatible unit.

The inverter generator is rated for a noise of 58 dBA (less noisy than a conversation at home). Its starting mechanisms include a conventional pull-start mechanism and a simple and elegant electric starter (battery included). For additional convenience, the ESI 2500iER-EFI may also be remotely started (key fob included).

The ESI 2500iER-EFI can operate for around 12 hours at 50% load with a full tank (fuel consumption around 0.13 GPH), due to its fuel capacity of 1.5 gallon.

The ESI 2500iER-EFI generates a clean sine wave: providing <2% Total Harmonic Disruption (THD), delicate electronics can be plugged in its AC outlets safely.

Here are a few examples of what this generator could allow you to simultaneously power:Note: All of these devices might not start simultaneously. Provided examples are based on a maximum load of 75 % and estimated wattages. With the help of our wattage calculator you can find out if this product suits your requirements.

Outlets

The control panel features the following 2 AC outlets:

Duplex 120V 20A (5-20R)

It also sports 1 DC outlet: there's a 12V 8A receptacle with which you may charge your batteries with ease.

Portability

Since the Lifan ESI 2500iER-EFI is an inverter generator, its closed design (L20.5 x W11 x H19 in) has an esthetical advantage over conventional, open frame devices. The generator has a contemporary design, convenient for recreationally generating power.

As the ESI 2500iER-EFI's weight is only 77 lbs, it can follow you and your power needs anywhere. Additionally, it can be easily moved with the help of a wheel kit and a handle (molded in the case), once it is on the ground.

Features

Panel of the Lifan ESI 2500iER-EFI

The ESI 2500iER-EFI's control panel

Monitoring of the ESI 2500iER-EFI's status and activity is made possible by an illuminated data center, which provides information on the fuel level, voltage, power output and lifetime run hours and is one of the features of its control panel.

In addition to this info, when the oil level is too low, you will be informed by the featured light indicator.

From a security standpoint, the product offers an overload protection (circuit breaker) and an automatic low oil shut-off, allowing you to use it with a peace of mind.

Along the basic documentation and a user manual, useful for starting the generator right away, the Lifan ESI 2500iER-EFI's package also includes these accessories: battery charging cables, tool kit, battery charging cables, key fob, RV adapter, key fob, battery charger, tool kit and battery charger.

Emissions

The Lifan ESI 2500iER-EFI is EPA-approved and CARB-compliant. Thus, selling and purchasing this generator is allowed in each of the 50 states, including California.

Moreover, it features a spark arrestor, making it usable in forested areas.

The Lifan ESI 2500iER-EFI versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Lifan ESI 2500iER-EFI compare to generators of similar power (between 1500 and 2500 W).

  • As its dry weight is 77 pounds, the Lifan ESI 2500iER-EFI is one of the heavier of the products which can generate 1500 to 2500 running watts. If you are concerned by weight, one of the champions in the above mentioned power range is the WEN 56202i, with a dry weight of just 38.6 pounds.
  • The inverter generator can be considered average in its noise for its power category, as it is rated at 58 dBA. If you’d prefer a less noisy device, one of the most quiet devices, which share the same power range with this one, is the Honda EU2200i, whose lowest noise levels reach just 48 dBA.
  • The ESI 2500iER-EFI provides a higher run time than similarly powerful devices, reaching 12 hours at 50% load. If autonomy is your priority, one of the devices of a similar power output with the highest run time is the Westinghouse WGen2000, reaching 20 hours.
  • Run times are important, yet thanks to their dependence on the fuel capacity, they should be judged along with the fuel consumption of the device. This inverter generator is one of the more fuel efficient models of the aforementioned output range, as its estimated fuel consumption reaches just 0.13 GPH (gallon per hour) at 50% load. If you wish to acquire one of the most gasoline efficient products of this power range, the Westinghouse iGen2200, with a fuel consumption of 0.12 GPH could be in your good books.

Price comparison

As you can see from this dynamic chart, when compared to other 1500-2500W generators, the Lifan ESI 2500iER-EFI 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
  • Several accessories included
  • Remote start
  • Parallel capable
  • Inverter
  • High run time
  • Fuel efficient
AVERAGE SPECS:
  • Acceptable noise (58 dBA)
WEAKNESSES:
  • On the heavy side (77 lbs)

Do you own the Lifan ESI 2500iER-EFI and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Where to buy the Lifan ESI 2500iER-EFI?

You can easily buy your Lifan generator online. You will benefit from a convenient delivery and avoid carrying the heavy package yourself. Here are a few reliable online sellers:
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Price History
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Price history for the Lifan ESI 2500iER-EFI
Latest updates:
  • $699.37 - September 10, 2019
  • $679.00 - August 2, 2019
  • $699.37 - July 16, 2019
  • $679.00 - June 20, 2019
  • $699.37 - June 8, 2019
  • $799.84 - June 4, 2019
Since: June 4, 2019
  • Highest Price: $799.84 - June 4, 2019
  • Lowest Price: $679.00 - June 20, 2019

Features and Specifications

General

InverterYes
PortableYes
Parallel capableYes, cable not included
RV readyNo
FuelGasoline
Engine125 cc Lifan OHV 4-stroke
Starting systemRecoil, Electric, Remote

Power

VoltageAC: 120V 60 Hz, DC: 12V
Running watts2400 W
Starting watts2500 W
Running amps20 amps
Peaks amps20.8 amps
Run time @50% load12 h
Run time @25% loadN/A

Features

GFCI outletsNo
Covered outletsNo
Automatic Voltage RegulationNo
AC outlets1x Duplex 120V 20A (5-20R)
DC outlets1x 12V 8A receptacle
Data centerVoltage, power output, lifetime run hours and fuel level
IndicatorsLow oil
Fuel tank1.5 gal
Fuel gaugeNo

Misc

Weight77 lbs
Dimensions (L x W x H)20.5 x 11 x 19 in
Noise (lower limit)58 dBA
THD< 2%
EmissionsCARB, EPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralN/A
Accessories includedTool kit, key fob, RV adapter, battery charging cables, battery charger, tool kit, battery charging cables, key fob and battery charger
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.

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 ESI 2500iER-EFI 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. Alternatively, you can also contact their Customer Support: 1-866-471-7464.

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