Brand | Thermacell |
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Color | Beige |
Style | 5.5HR – Beige |
Material | Plastic |
Product Dimensions | 4.48"L x 7.75"W x 4.5"H |
Item Weight | 12.8 ounces |
Number of Pieces | 3 |
Recommended Uses For Product | Mosquito Repeller |
Target Species | Mosquito |
Unit Count | 1.0 Count |
UPC | 843654005119 |
Item Package Dimensions L x W x H | 7.8 x 4.53 x 4.53 inches |
Package Weight | 0.36 Kilograms |
Item Dimensions LxWxH | 4.48 x 7.75 x 4.5 inches |
Brand Name | Thermacell |
Model Name | Rechargeable Mosquito Repeller |
Number of Items | 1 |
Manufacturer | Thermacell |
Part Number | E55S |
Size | 5.5 Hour Battery |

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Thermacell E-Series Rechargeable Mosquito Repeller with 20’ Mosquito Protection Zone, Charcoal; Includes 24-Hr Repellent Refill; Bug Spray Alternative; Scent Free
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Learn more
Return this item for free
We offer easy, convenient returns with at least one free return option: no shipping charges. All returns must comply with our returns policy.
Read the full returns policy- Go to Your Orders to start the return
- Select your preferred free shipping option
- Drop off and leave!
Bundles with this item
Purchase options and add-ons
Brand | Thermacell |
Color | Beige |
Style | 5.5HR – Beige |
Material | Plastic |
Product Dimensions | 4.48"L x 7.75"W x 4.5"H |
Item Weight | 12.8 ounces |
Number of Pieces | 3 |
Recommended Uses For Product | Mosquito Repeller |
Target Species | Mosquito |
Unit Count | 1.0 Count |
About this item
- MOSQUITO PROTECTION THAT WORKS: Thermacell effectively keeps mosquitoes up to 20FT away. Works fast, get max protection in 15 minutes. Easy to use. Portable device is ideal for backyard, poolside, patio, and beyond. Allowed to bring on airplanes.
- EFFECTIVE 20FT ZONE TECHNOLOGY: Engineered to precisely diffuse repellent, creating a 20-foot zone of mosquito protection. Consistent repellent protection won’t weaken over time. Rechargeable lithium-ion battery works for 5.5 hours.
- REPEL MOSQUITOES IN AIR, NOT ON YOUR SKIN: Repel mosquitoes without DEET sprays or lotions on your skin. Long lasting repellent cartridges are easy to replace. Scent-free, no smoke, no flames.
- PROPRIETARY FORMULA: Independently tested and EPA reviewed for safety & effectiveness. Repels tough mosquitoes, including those that may transmit Encephalitis, West Nile Virus, and Zika Virus. People and pet friendly. For outdoor use only.
- 100% SATISFACTION GUARANTEED: Extend warranty to 3 years with registration (automatic 2-year warranty included). Backed by Thermacell Guarantee (see packaging for details).
- INCLUDES: One repeller, one 12-hour repellent refill, and a USB charging cable.
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Top Brand: Thermacell
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Stay Protected with Refills
From the manufacturer

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Can I use this product around food/children/pets?
Our ingredients indicate that they should not be of concern for people and pets, if used as per label instructions. Our extensive data is thoroughly reviewed by the US EPA. The review process includes evaluating impact on pregnant women and infants.
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How long does it take to charge the rechargeables?
To fully charge, the E65 takes 2 hours and the E55 and EX55 takes 5-6 hours.
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Can I fly with the repeller or refills?
Our Rechargeable repellers and refills can be taken on aircrafts. The FAA recommends any devices containing lithium-ion batteries be carried in a carry-on luggage. Please pack in a way that the repeller doesn't accidentally get activated on aircraft.
Thermacell Mosquito Repellent E-Series
![]() E55 | ![]() E90 | ![]() EL55 | ![]() EX90 | ![]() E65 | |
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Customer Reviews
|
4.0 out of 5 stars 21,963
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4.0 out of 5 stars 21,963
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4.0 out of 5 stars 21,963
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4.2 out of 5 stars 1,908
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4.0 out of 5 stars 21,963
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Price
| $32.99$32.99 | $49.99$49.99 | $49.99$49.99 | $49.95$49.95 | $34.88$34.88 |
Area Of Protection
| 20 ft | 20 ft | 20 ft | 20 ft | 20 ft |
Power Source
| 5.5 Hour Rechargable Battery | 9 Hour Rechargeable Battery | 5.5 Hour w/ light & 9 Hour w/o | 9 Hour Rechargeable Battery | 6.5 Hour Rechargeable Battery |
Item Volume
| 0.33 Fluid Ounces | 0.33 Fluid Ounces | 0.33 Fluid Ounces | 0.33 Fluid Ounces | 0.99 Fluid Ounces |
Material Feature
| No Spray Mosquito Repellent | No Spray Mosquito Repellent | No Spray Mosquito Repellent | No Spray Mosquito Repellent | No Spray Mosquito Repellent |
Included Repellent
| 12 Hours | 12 Hours | 12 Hours | 12 Hours | 36 Hours |
Product Description
Mosquitoes ruin everything. Thermacell’s award-winning technology keeps mosquitoes away by creating a 20FT protection zone around you. Our proprietary formula precisely targets mosquito sensors, driving them away. With consistent protection that doesn't weaken over time, Thermacell helps you live your best outside life without the use of bug sprays or lotions on your skin. Features a 5.5-hour rechargeable battery. Allowed to bring on Airplanes. 12 hours of mosquito repellent included.
Product information
Technical Details
Additional Information
ASIN | B0BFFPM912 |
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Customer Reviews |
4.0 out of 5 stars |
Best Sellers Rank | #73 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) #10 in Pest Repellents |
Date First Available | March 25, 2024 |
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Thermacell E-Series Rechargeable Mosquito Repeller with 20’ Mosquito Protection Zone, Charcoal; Includes 24-Hr Repellent Refill; Bug Spray Alternative; Scent Free
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Customer reviews
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Finally, a Mosquito-Free Patio!
Top reviews from the United States
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- Reviewed in the United States on February 16, 2025Style: 5.5HR – BlackVerified PurchaseI've battled mosquitoes on my patio for years. Citronella candles, sprays, zappers – you name it, I've tried it. Nothing seemed to provide consistent, reliable relief. That is, until I tried the Thermacell E-Series Rechargeable Repeller. This little device has been a game-changer for my outdoor enjoyment.
What I liked:
Effective Mosquito Repellency: This is the most important factor, and the E-Series delivers. I've noticed a significant reduction in mosquitoes since I started using it. I can actually sit outside in the evening without constantly swatting and slapping.
Rechargeable Battery: No more constantly buying batteries! The rechargeable battery lasts for a decent amount of time, and it's easy to recharge with the included USB cable.
Odorless and DEET-Free: I'm sensitive to strong smells, and I appreciate that the Thermacell repellent is virtually odorless. The fact that it's DEET-free is also a major plus, especially since I have kids and pets.
Easy to Use: The device is incredibly simple to operate. Just turn it on, and it starts working. Replacing the repellent cartridges is also a breeze.
Portable: The E-Series is compact and lightweight, making it easy to move around my patio or even take with me camping or to outdoor events.
Quiet Operation: Unlike some mosquito zappers, the E-Series operates silently.
What could be improved:
Repellent Cartridge Life: While the repellent cartridges last a reasonable amount of time, I do find myself having to replace them fairly regularly, especially during peak mosquito season. A longer-lasting cartridge option would be great.
Initial Cost: The initial cost of the device is a little higher than some other mosquito repellent options. However, considering the effectiveness and the fact that it's rechargeable, I think it's a worthwhile investment in the long run.
Rating: 4.5 out of 5 stars.
5.0 out of 5 starsI've battled mosquitoes on my patio for years. Citronella candles, sprays, zappers – you name it, I've tried it. Nothing seemed to provide consistent, reliable relief. That is, until I tried the Thermacell E-Series Rechargeable Repeller. This little device has been a game-changer for my outdoor enjoyment.Finally, a Mosquito-Free Patio!
Reviewed in the United States on February 16, 2025
What I liked:
Effective Mosquito Repellency: This is the most important factor, and the E-Series delivers. I've noticed a significant reduction in mosquitoes since I started using it. I can actually sit outside in the evening without constantly swatting and slapping.
Rechargeable Battery: No more constantly buying batteries! The rechargeable battery lasts for a decent amount of time, and it's easy to recharge with the included USB cable.
Odorless and DEET-Free: I'm sensitive to strong smells, and I appreciate that the Thermacell repellent is virtually odorless. The fact that it's DEET-free is also a major plus, especially since I have kids and pets.
Easy to Use: The device is incredibly simple to operate. Just turn it on, and it starts working. Replacing the repellent cartridges is also a breeze.
Portable: The E-Series is compact and lightweight, making it easy to move around my patio or even take with me camping or to outdoor events.
Quiet Operation: Unlike some mosquito zappers, the E-Series operates silently.
What could be improved:
Repellent Cartridge Life: While the repellent cartridges last a reasonable amount of time, I do find myself having to replace them fairly regularly, especially during peak mosquito season. A longer-lasting cartridge option would be great.
Initial Cost: The initial cost of the device is a little higher than some other mosquito repellent options. However, considering the effectiveness and the fact that it's rechargeable, I think it's a worthwhile investment in the long run.
Rating: 4.5 out of 5 stars.
Images in this review
- Reviewed in the United States on April 27, 2025Style: 9HR – CharcoalVerified PurchaseAbsolutely the best!!!
No bugs of any kind especially MOSQUITOS
Buying refills today :-)
Live in the tropics of Alabama. We skipped spring and now today humid, 98 degrees, MOSQUITO heaven. Thermally nailed it, great investment 👍 👌 😀
- Reviewed in the United States on May 1, 2022Style: 5.5HR – BlackVerified PurchaseUpdate (5/12/22):
I tried using the product on a breezy evening and as I suspected, the wind impacted the effectiveness. While I think there were fewer mosquitoes (just a guess), I was getting bitten and decided to go back inside. I do think it’s effective if it is not too windy. Will buy some more repellent and continue using it.
(Original Post). Let's start with the most important question...does it work? It does work (or at least has worked for me and my specific set up)...more about that shortly. And I will continue to use it (and purchase more repellant refills). Why only 4 stars? Instructions need to be improved and not quite sure about the value proposition (cost) for the repellents. But the product has worked for me so far (several hours of use) and I really hate mosquitos. And I did not have to put on bug repellent to keep them from pestering me.
After reading several reviews and wanting to gain access to my patio without being attacked by mosquitos, I decided to buy this and give it a try. I decided on the battery operated version for my patio. The setup instructions were not clearly written (I will provide the information I wish they had provided shortly as well).
I am not a entomologist or an aerosol vapor flow expert...that said, here are my observations and recommendations.
1.) I don't believe the graphic that shows a 20" protective bubble is reasonable representation of what to expect from the product. The unit emits a vaporized repellent into the air (visualize the smoke from a candle) which is highly influenced by wind or, a ceiling fan. As the repellent is diluted to into the air, the effect dissipates, meaning less protection from mosquitos. The graphic shows a group of people sitting outdoors with a bubble shield, exactly 20 feet around them. If there is no wind, maybe that depiction is a somewhat reasonable representation. But when you set an expectation that there is a protective bubble, people will take it literally. Hence the 1 star reviews that says it does not work.
In my situation, I am on covered porch where there is a wall behind me and to the left of me but the front and right side are completely open to the wind. So there is a "pocket" where the repellent is protected from from being completely dissipated or blown downwind. This would seem to me to be the ideal set up for this device. Haven't tried turning on the ceiling fan on the porch. If the results are significantly different, I will update this review.
2. Confusing instructions included in the box at best. Here is a suggestion...how about a QR code that takes you to a video called first use. Let me summarize the information I believe needs to clearly provided:
a) Plug the unit in before use (instructions said this). You will see 3 chasing dots (blinking on and off in a chasing pattern) until the unit is charged (instructions have some confusing series of gray and white dots that does not look anything like what the unit looks like while it's charging). When fully charged, the three dots above the charging port will be on. Also, no word on whether you can plug the unit into a wall socket and use it while it is recharging. And the instructions do not say it takes 5 hours to charge when the battery is completely depleted (that is what the support person told me). Also guessing the unit does not trickle charge when charging is complete...so you probably should not leave it plugged in for extended periods of time.
b) The repellent is in a small plastic container with a lid. The instructions in the box don't really show you how to hold the lid to remove it (there is a confusing drawing with two diagonal arrows which wasn't useful at all). Hold the sides of the bottle with your thumb and forefinger. Hold the front and back center of the lid in the center with the thumb and forefinger of your other hand. Separate. Just like the picture on the Amazon website (which I just saw).
c) How about a recommendation on turning it off after your use and whether to remove the repellent container and put the lid back on. Absolutely nothing said in the instructions. Also, maybe recommend charging the unit so it will be ready for your next use? What if you are not going to use it for a week or a month...should you not leave the unit plugged in to a charger for extended periods? Again, it would be useful to know if you can use the unit while it's plugged in and recharging.
3. General thoughts about toxicity: Google mosquito deaths and the results say mosquitos kill over 1 million people a year. One of the prominently displayed 1 star reviews talks about the toxicity and that you can get headaches or dizziness. Everyone is different and I enjoy being outside without having to put insecticide on my skin. I have not gotten headaches or dizzy. Your results may vary.
Now I want to compliment Thermacell on their customer support. They answered the call pretty quickly, were very helpful and pleasant to work with. Also, very generous warranty.
I have written this whole review sitting on my porch and did not have a single mosquito come near me. Houston, Texas, in May on light breeze afternoon.
Again, I would recommend it to friends and would buy it again.
Now for some unsolicited advice to Thermacell. Seems to me you have way too many versions of this product which confuses the buyer. Also, it appears the repellents have changed over time with some of your later repellents that are "safer" than your earlier versions. Might be useful to make this information more explicit if correct. Hopefully you are reconciling what products to sell and which products to sunset. Also, on the box that is covered with pictures and graphics, the actual product version was in smaller print and greyed out (easily overlooked). So it took me a minute to find it when support asked me what device I was calling about.
Very simple electronics upgrade...I would recommend resettable timers on the device indicating battery life and how much time remains before the repellent needs to be replaced. Either LED timer display (not 3 LED lights) on the device or bluetooth app on your phone. Seems obvious you are using the "razor and blade" method of pricing for product, where razors are cheap but the blades (refills) are where you generate your profits. The unit works well enough that a little upgrade to provide the user more information about battery life or how long until I need to replace the repellent cartridge would justify paying extra for the "razor". Just one opinion and you have been in the business for 20 years...so you know what your are doing.
- Reviewed in the United States on April 11, 2025Style: 5.5HR – BlackVerified PurchaseI use mine while eating out at dusk. We have those nasty little black nats. I had my neighbors over and they asked if I has spayed for bugs. I showed them this little setup and they went and bought one also. I’m not saying they cover a large area but they are wonderful to have.
- Reviewed in the United States on April 16, 2025Style: 6.5HR w/ Base – BLKVerified PurchaseAfter having amazing success with a Thermacell portable repellent, I decided to upgrade to a larger device to see if I could get some additional relief from the insane population of mosquitos and gnats in the swampy North Florida area when I live.
I was completely and utterly let down.
After fully charging the device and allowing it time to warm up, I placed it on my table beside my chair on my patio and took a seat. The 'smoke' output on this was pathetic at best and totally non-existent most of the time. With the device no more than two feet away from me, I was being bitten as a rate that has caused me to wonder if this thing actually attracts bugs. Totally and absolutely worthless.
The other issue is the '12 hour' repellent claim is totally false. In my attempts to ensure I had given this device every opportunity to work, I used it over the course of multiple days, each day having it powered on and working for about 2 hours. The repellent liquid lasted a grand total 3 days (so an estimated time of just under 6hrs).
Maybe I just got unlucky, but overall I would rate this product with zero stars if I could. Complete waste of money and effort.
Top reviews from other countries
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Edwing F.Reviewed in Mexico on August 24, 2022
5.0 out of 5 stars Me funcionó muy bien
Style: 5.5HR – BlueVerified PurchaseMuy eficiente, lo use dos veces y ninguna picadura tuvimos, pero NO DURA mucho el cartucho que viene, solo duró como 12 hr
- traceyReviewed in Australia on July 29, 2022
5.0 out of 5 stars Great
Style: 5.5HR – BlackVerified PurchaseNice compact design and keeping us free of bugs
- leeReviewed in the United Arab Emirates on March 30, 2024
3.0 out of 5 stars The repeller works very well but it is impossible to buy refills.
Style: 5.5HR – BlackVerified PurchaseI like the product and found it to be effective against mosquitoes. The problem is that it is not possible to buy refills and is therefore a complete waste of money.
- Elaine RobertsonReviewed in the United Kingdom on July 9, 2021
1.0 out of 5 stars Refill arrived half full.
Style: 5.5HR – BlackVerified PurchaseThe product wasn't packaged properly. The refill unit had leaked into its plastic bag and absorbed into the cardboard box. Not only do I have less repellant, but metofluthrin is toxic and not supposed to be handled.
Elaine RobertsonRefill arrived half full.
Reviewed in the United Kingdom on July 9, 2021
Images in this review
- maxime st-pierreReviewed in Canada on March 25, 2025
5.0 out of 5 stars Rien à dire