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Description
LIFAN Energy Storm 4,000/3,800-Watt Gasoline Powered EFI Electric/Remote Start Portable Generator w/Inverter and Fuel InjectedThe LIFAN ESI4000iER EFI is part of our 21st Century Energy Storm Electronic Fuel Injected (EFI) Digital Inverter Generator Series with digital display with self contained diagnostic system. Manufactured to high quality standards, this inverter comes equipped with a powerful 270cc 4 stroke OHV fuel injected engine, a convenient electric remote start (key fob included), a variety of outlets for every occasion, several safety and convenience features
The LIFAN ESI4000iER-EFI is part of our 21st Century Energy Storm Electronic Fuel Injected (EFI) Digital Inverter Generator Series with digital display with self-contained diagnostic system. Manufactured to high quality standards, this inverter comes equipped with a powerful 270cc 4-stroke OHV fuel injected engine, a convenient electric remote start (key fob included), a variety of outlets for every occasion, several safety and convenience features and special technology to reduce the sine wave distortion to less than 2%, to protect your valuable and sensitive equipment, such as laptops, computers, LCD and plasma televisions, surround sound systems, sensitive tools, video game consoles and cell phone chargers, all of which can be powered without the risk of damage. This unit is a perfect fit for camping, R-ving, tailgating, weddings, parties or events or general use around the house.
- 4,000-Watt peak and 3,800-Watt running power
- 3.5 Gal. fuel tank with EFI fuel efficiency runs the generator for 12 hours (at 50% load)
- 270cc 4-stroke OHV industrial duty engine
- Two 120-Volt, 20 Amp AC outlet - 1 30 Amp 3 prong twist lock - 1 30 Amp RV receptacle
- Super quiet 59 dB sound rating ensures low operational noise for peace and quiet
- Low oil engine shutoff protection
- Recoil and electric start with remote start/stop control - key-fob included
- Digitally cleaned sine wave (less than 2% total harmonic distortion) providing clean power for all your sensitive equipment like computers, plasma and LCD TVs and digital audio devices
- Includes mobility kit with fold out handle and EZ roll casters
- AC circuit overload system
- Auto idle feature (power on demand)
- ECU monitoring with digital LED readout gauge with self diagnosis sensors
- Exhaust sparks arrestor for safe and legal operation in national parks
- EPA approved
- CARB compliant
- Free battery charger/maintainer included
- Free battery charger/maintainer included
-
- California residents
Features
| Item Weight | 142 |
| Horsepower (hp) | 4 |
| Product Weight (lb.) | 132 lb |
| Running Wattage | 3800 |
| Engine Displacement (cc) | 270 |
| Engine Make | OEM Branded |
| Starting Wattage | 4000 |
| Power/Fuel Type | Gasoline |
| CA (CARB) Compliant | CARB Compliant |
| Returnable | 30-Day |
| Full load fuel consumption (gallons/hour) | 0.2917 |
| Number of Outlets | 5 |
| Voltage (volts) | 120 |
| Fuel Tank Capacity (gallons) | 3.5 |
| Color Family | Green |
| Fuel Technology | Single Fuel |
| Application | Home Standby,Job Site,Recreation |
| Half-Load Run Time | 12 |
| Suggested Uses | Battery Charger,Halogen Work Light,Lights,Mobile Devices,Power Tools,RV A/C Unit,Small Appliances,Small Electronics |
| Built-in inverter | Yes |
| Outlet Type | 120V 20A,120V 30A |
| Features | Built-in Fuel Gauge,Built-in Hour Meter,Built-in Remote Monitoring,Electric Start,Extended Handles,LCD Display,Muffler,Overload Protection,Short Circuit Protection,USB Port |
| Start Type | Electric Switch,Recoil Start,Remote |
| Operational Volume (dB) | 59 |
| Included | Wheel Kit |
| Product Width (in.) | 18 in |
| Product Height (in.) | 24 in |
| Product Length (in.) | 20 in |
| Certifications and Listings | CARB Compliant,CSA Certified,EPA Approved |
| Manufacturer Warranty | 3 Years |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 4
Works well, long use on single charge, high torque - be careful when starting
Color: Black, Size: Rechargeable
Not the most inexpensive powered whisker bur I've used other Typhor products and found them reliable for the task designed. I fell they don't cheap out on the rechargeable battery so I don't fell they will catch fire, as we are hearing about from other cheaper rechargeable items. I liked 2 things about this model the speed control is by a pressure single switch which I can control, not just pick speed 1,2,3. The swappable tips allow for different uses. I don't drink coffee but use the item to whisk eggs for an omelets and it has the torque to mix them without effort. In Fact need to only use half power else it will splatter out of my mixing vessel.
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Reviewed in the United States on June 7, 2026
★★★★★ 5
I love it!
Color: Black, Size: Rechargeable
This thing works great! It holds a charge for a long time. I love that it has different attachments. I use it mainly for mixing powder into my drinks. It is very powerful. The speed is adjustable too. It feels good to hold too. It lights up when you squeeze the trigger and when it starts losing charge, the light bar gets shorter. I highly recommend it.
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Reviewed in the United States on June 3, 2026
★★★★★ 5
Perfect all-around frother, stand keeps it nice and neat on the counter within easy reach.
Color: Black, Size: Rechargeable
Rechargeable, lightweight, variable speeds and optional whisks all make this the perfect item for your kitchen. You can quickly froth milk for your coffees, whip a small batch of whip cream, and even make mug cakes with the hook attachment. The price is very compatible with the competitors, but the ease of use makes this a top choice.
The variable speeds makes it much better to control than the push button ones. When you let go of the pressure switch it turns off, no need for a dedicated on-off switch. Having the pressure switch on the top makes it extremely easy to use! It fits very comfortably in the hand and with the metal stand, looks quite nice on the counter, ready to use at any time. I highly recommend this InstaWhisk!
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Great product from a great company
Color: Black, Size: Rechargeable
This product works very well. There are several other whips to use also. I absolutely love the cream it makes and that is important so I can enjoy my morning coffee. I used this whisk for quite a while then all of a sudden it stopped working. I wrote to the company to explain. A few days later they sent me a beans new whisk. GREAT item and great company to work with.
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Reviewed in the United States on May 23, 2026
★★★★★ 4
Great Frother - almost too powerful
Color: Black, Size: Rechargeable
I’ve been using the Tyohur InstaWhisk milk frother for a while now, and overall I really like it—but I wouldn’t quite give it 5 stars, and honestly it’s because it might be a little too powerful for its own good.
First, the positives: this frother does an amazing job. The single-button control is super easy to use, and I love that you can adjust the speed just by how much pressure you apply. It feels very intuitive, and you can really dial in the exact texture you want. Whether I’m making a latte or mixing something thicker like a protein drink, it handles everything smoothly.
The performance is seriously impressive. On the lower speeds, it creates nice, silky foam, and when you turn it up, it’s incredibly fast—like café-quality foam in seconds. High-speed frothers like this are designed to create rich foam very quickly, and this one definitely delivers on that promise
That said, the power is also what knocks it down a star for me. If you’re not careful (especially when using higher speeds), it can splash pretty easily. The product description says it’s designed to prevent mess with stable low-RPM operation, and that’s true if you stay on the lower settings—but once you ramp it up, you really need to keep the whisk fully submerged or start slow, or it can send milk flying out of the container
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Reviewed in the United States on May 23, 2026
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