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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
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- 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
4.3 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 4
Works great, gonna order a different scent next time
Scent: Santal & Vetiver, Size: 2.6 Ounce (Pack of 1)
It does it's job and I tried it out for 48 hrs and it did prevent odors. Low activity level those days but it did hold up. However, reading the reviews I had high expectations for the santal vetiver scent and ended up ordering it. That's the only thing I do not like about this deodorant. The smell. It's okayyyyyy but not my favorite or pleasant to my nose in any way. I do like how it feels, the ingredients, that's it's small company owned, it works well for what it's supposed to do and it's easy to apply. I just wish I would've ordered another smell. Because it's expensive enough that I won't be replacing it until it's completely gone. So maybe I'll learn to love the smell but so far, nope not at all lol
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Reviewed in the United States on March 16, 2026
★★★★★ 5
Clean, Long‑Lasting Protection Without Irritation
Scent: Bergamot & Hinoki, Size: 2.6 Ounce (Pack of 1)
This deodorant is a great pick if you want something aluminum‑free that actually holds up through a full day. The formula goes on smooth, doesn’t feel sticky, and dries down quickly without leaving residue on clothes. It has a clean, fresh scent that isn’t overpowering, and it stays consistent as the day goes on.
What I appreciate most is how gentle it is — no burning, no irritation, and no chalky buildup. Even with the softer feel, the protection is strong and lasts well through heat, errands, and everyday activity. It’s one of those deodorants that feels more “skincare‑forward” than chemical‑heavy.
If you’re looking for a natural option that still delivers real staying power, this one is a solid upgrade.
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Reviewed in the United States on May 23, 2026
★★★★★ 3
Wonderful, but also couldn't stand up to the funk
Scent: Black Rose & Oud, Size: 2.6 Ounce (Pack of 1)
This was my first time using this brand and I used it faithfully for about 9 months.
I've been using more natural and aluminum-free deodorants for several years now. I have sensitive underarms so I stay away from "clinical strength" or a lot of chemicals. I've tried both ladies' and men's brands (I'm a woman) and they only seem to work for a little while before they completely stop working and I have to switch to something new (or back to an old one). I decided to give this one a try after seeing it pop up on Amazon a lot and also because the one I was using isn't sold in stores and would sometimes take a week or more to get to me.
My first impression of this deodorant was that I like the compact, round packaging and how easy it is to use (the bottom twists very smoothly). Secondly, IT SMELLS AMAZING. Black rose and Oud is such a delicious scent - lightly floral, sweet, a little powdery, and a little musky. Every time I applied it, I kept falling more in love with the scent. And it also applied to my underarms very smoothly and without any pulling or roughness.
It's worth noting that I started using this deodorant during a heat wave; we had about three weeks of temperatures between 90-100 degrees F with 75-95% humidity. Surprise surprise, this deodorant held up! Mind you, it's deodorant and not antiperspirant, so, yes, I did sweat, but, no, I did not smell. I applied it once a day (or the night before) and had no issues. This deodorant also held up exceptionally when I was exercising and it did not leave me smelling bad at all after workouts.
Now, where this deodorant DID NOT HOLD UP is when it came to hormone changes and (emotional) stress. Whenever that time of the month came around, the deodorant significantly weakened and I had to apply it again during the day. For me, that's actually normal and I pretty much have that happen with any deodorant. It's performance during stress was pretty terrible though. I went through a few months of intense mental/emotional stress and this deodorant completely failed me. The second I got anxious or stressed out, my armpits would start to pool and turn into a swampy mess and I would immediately smell terrible. Not once did the deodorant hold up to my stress sweat or funk, which was very disappointing since I liked it very much outside of that one issue.
I ended up just throwing it away (since I wasn't sure when the stress would stop) and going back to my previous deodorant that worked wonderfully, now sells on Amazon, and I highly recommend: Kosas! It is pricey like this one, but the main selling point for me is that it contains AHA and BHAs that stop the funk and also brighten (and keep bright) the underarm area. It also neutralizes razor burn.
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Reviewed in the United States on April 5, 2025
★★★★★ 5
Fabulous deodorant and I get compliments on scent
Scent: Bergamot & Hinoki, Size: 2.6 Ounce (Pack of 1), Scent: Bergamot & Hinoki, Size: 2.6 Ounce (Pack of 1)
I've always had problems with deodorant. Irritation, complaints from ladies on the scent. I've even had a few that discolored my pits. The cheaper ones leave marks on clothing. To be fair, I was introduced to this by Thrive MRKT; and the price is cheaper there. BUT, after running out, and Thrive having low or zero stock, getting this from Amazon 12 hours after ordering, I realized this is an essential item for me. Good ingredients and lovely silky texture, you don't notice it's working. Dries super fast, not sticky or heavy texture, feels lightweight/invisible. I've even had deodorant in the past where i'd flap my arms or blow on pits hoping it would dry. No such ridiculousness here. 5/5 Stars highly recommend. Premium product and well worth the price. I even get compliments from my lady friends on this sent.
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Reviewed in the United States on April 25, 2026
★★★★★ 4
I like this EXPENSIVE deodorant
Scent: Bergamot & Hinoki, Size: 2.6 Ounce (Pack of 1)
I really like the deoderant, as it seems to work well and goes on easily with no staining, etc. The reviews seem to emphasize the wonderful smell, but it is very mild and I find the smell minimal. It is rather expensive for a deodorant, but it works, so I will leave that up to the individual. Not sure if I will purchase again, but only because of the price, but I do like the product.
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Reviewed in the United States on March 22, 2026