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Lifan ESI 2500iER-EFI Spec Review

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

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Lifan ESI 2500iER-EFILifan ESI 2500iER-EFILifan ESI 2500iER-EFILifan ESI 2500iER-EFI
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Price History
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Price history for the Lifan ESI 2500iER-EFI
Latest updates:
  • $811.00 - September 11, 2021
  • $795.00 - May 25, 2021
Data source: globalindustrial.com
Since: May 25, 2021
  • Highest Price: $811.00 - September 11, 2021
  • Lowest Price: $795.00 - May 25, 2021

Description

Zoom on the Lifan ESI 2500iER-EFI

In summary, the Lifan ESI 2500iER-EFI is a quiet and compact portable inverter generator especially useful for:

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

In the following paragraphs, we shall explore the power characteristics, available outlets, portability, and any additional features of the device, along with its emission compliance information.

Power & Run Time

The Lifan ESI 2500iER-EFI's design includes a gasoline-fueled 125 cc (4 hp) Lifan OHV 4-stroke engine. With a 120V output, it gives a running wattage of 2400W and also a peak wattage of 2500W. Moreover, since it is parallel capable (Duo Power parallel kit (opens in a new tab) not included), its power may be doubled if linked to a second compatible unit.

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

The Electronic Fuel Injection (EFI) system enhances the engine's reliability, lowers fuel consumption, improves startup, reduces servicing, boosts stale fuel resistance, and offers better altitude adaptability.

With a fuel capacity of 1.5 gallon, the ESI 2500iER-EFI may run for around 12 hours at 50% load with a full tank (fuel consumption around 0.13 GPH).

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.

Outlets

The control panel provides the upcoming 2 AC outlets:

Duplex 120V 20A (5-20R)

Additionally, it features 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 design follows the contemporary trends and is perfect for recreationally generating power.

The 77 lbs of the ESI 2500iER-EFI's dry weight enables you to use it anywhere you will ever need. Moreover, once it’s on the ground, its wheel kit and its handle (molded in the case) will allow you to shift it without effort.

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 a digital data center, which provides information on the power output, voltage, lifetime run hours and fuel level and is one of the features of its control panel.

In addition to this info, a light indicator shows you if the oil level is too low.

From a security point of view, the generator is equipped with an overload protection (circuit breaker) and an automatic low oil shut-off, giving you a peace of mind during use.

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

Emissions

The Lifan ESI 2500iER-EFI is EPA-approved and CARB-compliant. Therefore, its sale and purchase are permitted in all of the 50 states, including California.

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

Product Video

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).

  • With its weight of 77 lbs, the Lifan ESI 2500iER-EFI is one of the heavier generators in the 1500-2500 rated wattage category. If weight matters to you, one of the champions in this power range is the Champion 200949 with only 38.6 pounds.
  • Since the inverter generator's noise is rated at 58 dBA, it has the roughly average expected noise for a device of similar power. If you are concerned with noise, check out the Honda EU2200i, which is one of the least noisy generators in its power range, with a noise rating of just 48 dBA.
  • Since the ESI 2500iER-EFI boasts with a run time of around 12 hours at 50% load, it can be safely judged as a device of a higher run time than most generators of a comparable output. If concerned with autonomy, one of the products of a comparable power output, which offers the highest run time, is the Westinghouse WGen2000, boasting with around 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, with an estimated fuel consumption of just 0.13 GPH (gallon per hour) at 50% load, is one of the more fuel efficient generators, for the previously mentioned wattage range. 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 interactive 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
  • Electronic Fuel Injection
  • 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.

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
Peak amps20.8 amps
Run time @50% load12 h
Run time @25% loadUnknown
Features
GFCI outletsNo
Covered outletsNo
Automatic Voltage RegulationInverter
AC outlets1x Duplex 120V 20A (5-20R)
DC outlets1x 12V 8A receptacle
Data centerPower output, fuel level, lifetime run hours and voltage
IndicatorsLow oil
Fuel tank1.5 gal
Fuel gaugeDigital
Misc
Weight77 lbs
Approx. 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
Accessories includedTool kit, key fob, battery charger, RV adapter, battery charging cables, and battery
Warranty3 years
SeriesEnergy Storm

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 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 (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 homeRefrigerator (energy star)1921192
Clothes iron12701270
Cell phone charger2020
Total1482 W2482 W
For campingRadiant heater13001300
RV refrigerator180600
Blender400850
Cell phone charger2020
Total1900 W2350 W
For workDemolition hammer12601260
Paint sprayer600600
Total1860 W1860 W

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