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Availability:
In Stock.
Arrives
Thursday, Oct 1
Color: Charcoal
Features
- SCIENTIFICALLY PROVEN MOSQUITO PROTECTION: Thermacell is tested and proven to repel mosquitoes from a 20FT zone. Trusted by outdoor experts to work as a Mosquito Repellent Outdoor Patio solution, at the campsite, and beyond for over 25 years. This convenient starter pack comes complete with a repeller and 12 hours of DEET-free refill. Packaging may vary.
- 20FT ZONE OF MOSQUITO PROTECTION: Proprietary formula provides the largest protection zone of all EPA registered mosquito repellents. The advanced E-ZoneGuard Patio provides continuous protection powered by a rechargeable lithium-ion battery with up to 5.5 hours of run time. TSA compliant (Carry-on only).
- EASY TO USE, NO SPRAY NEEDED: This on-demand mosquito repellent outdoor patio solution starts heating with the push of a button, reaching max protection in 15 minutes. No need to apply sticky DEET sprays or lotions, clean up dead bugs, or reapply to your yard throughout the season. Scent-free, no smoke, and no flames.
- PEOPLE AND PET FRIENDLY: Independently tested and EPA reviewed for safety & effectiveness. Repels tough mosquitoes, including those that may transmit EEE, Chikungunya, West Nile Virus, Dengue, and Zika Virus. For outdoor use only.
- 100% SATISFACTION GUARANTEE: At Thermacell, we stand behind the performance and quality of our products. If you are not happy with your purchase, you may return it to us for repair, replacement or refund. Please contact .
Description
Mosquitoes can disrupt outdoor activities like dining, parties, camping, or relaxing on your patio. 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. TSA compliant for carry-on travel. 12 hours of mosquito repellent included.
Brand: Thermacell
Color: Charcoal
Style: 5.5 hr battery + 12 hr refill - Black
Material: Durable
Number of Pieces: 3
Target Species: Mosquito
Unit Count: 1 Count
UPC:
Item Highlight: Black; 20-FT Zone; 12-Hr Refill; Scientifically Proven Outdoor Protection; Bug Spray Alternative; Scent Free; DEET-Free See more
Brand Name: Thermacell
Unit Count: 1 Count
UPC: 843654005348
Included Components: Battery, Repellent Cartridge
Item Type Name: E55 Rechargeable Repeller - Graphite
Manufacturer: Thermacell Mosquito Repellents, Inc.
Model Number: E55L
Manufacturer Part Number: E55L
Target Species: Mosquito
Number of Pieces: 3
Color: Charcoal
Style Name: 5.5 hr battery + 12 hr refill - Black
Material Type: Durable
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, Oct 1
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Color: Lighted
AWESOME product!! I have not gotten one mosquito bite since I starting using this product this spring. NOT one! ...and I'm that person that always gets bit. If mosquitos love you too and you're second guessing going outside this summer then try one of these units. FYI- This Old House Bob Villa gave a good rating and REI sells this brand so you know its good. The repellent refills are a bit pricey but for me its worth it to enjoy dinners on our patio again without being the main course!! Also note: they are rechargeable & come with a charging cord only, you will need to provide a charging plug/port. Charging can take several hours (I charge them overnight) however I believe there is an updated edition that comes with its own quick-charge charging station. Unit needs to be set outside and turned on 10-15 minutes prior to enjoying the outdoors. Covers a 20' diameter range. Cheers!
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Reviewed in the United States on July 27, 2026 by Ornery, Swaggering, Piece of work
Color: Black
Just.. WOW. I really am amazed, astonished, astounded!!! Ok so I have a she-shed I spend most of my time in, in the back yard that’s mostly built around my cats. Therefore I need to leave the door open so the furballs can get in/out. (Pictured: my setup and how I have the curtains at night) This then invites an insane amount of mosquitoes in and everyone is getting eaten alive including me. I professionally spray, i fog, I have bug zappers, those tube things and dunks and I’m still covered in bites. I have to dress head to toe, sweating my tuckus off and any peaking skin gets decimated. I didn’t want to try this at first because it’s so expensive and refills only last a small amount of time but holy crap you get you pay for!!!! -First night: it had just rained heavily and was hot and humid so I expected heavy demon fire. There were already mosquitoes in the shed when I placed it at dusk.. ready for war. Prepared to run around like a crazy person armed with my electric swatter, I started seeing the mosquitoes struggle. I thought this had to be a coincidence. I thought thermacell was just deterrent but I think it killed them. After they died I didn’t see a single hell beast all night long. I wanted to leave a review immediately and tell everyone their savior has arrived but I was still in denial that it was truly as effective as it seemed. Beginners luck? Second night: I turned it on and decided to put on shorts and a tee shirt, leave the doors all the way open, just closing the curtain and didn’t fog. I know that seems like I’m flirting with death but anything for science, ya know? Nothing!!! Not one fly, moth OR BLOOD SUCKING ABOMINATION!! It’s so small yet so powerful. I think I’m going to build it a shrine at this point. Bottom line: it’s easy to use. It’s not bothering my animals. The battery life is stable and stays on the full advertised 9 hours. It’s portable/small and you can place it anywhere. It’s silent, has no smell and releases a tiny bit of barely visible vapor. It’s just incredibly effective! Oh and I love that all parts are black including the device, dock, cord and charger block! Some companies get cheap and use white charging blocks for each color to save money. Cons: Espennnsiveeee!! Especially for daily use. Also, you can’t use it while it’s charging and charging takes hours. That’s about it. I already bought a second one to use while the other is charging. Edit: the fourth night I started seeing mosquitoes and thought it really was too good to be true but I checked the cartridge and saw my 36 hour refill cartridge (which should have lasted at least another 10-ish hours) was empty. I was unaware you HAVE TO PUT THE BLUE CAP BACK ON WHEN YOU’RE DONE! Especially when the device is charging because it gets warm and the juice will evaporate through the wick even when the device is off. It will evaporate super fast if it’s very hot outside so placing it in a cool place will help too.
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Reviewed in the United States on August 20, 2026 by Laura
Color: Black
Overall I love the Patio Max. It is easy to get started with it and easy to charge. It hold a charge well. It also seems to keep the mosquitos away pretty well and that is saying a lot when you live in Georgia. We have mosquitos everywhere. We love to sit on the porch in the evening which is when the mosquitos are out the most. All you have to do is turn it on and wait about 15 minutes and then go out to a covered porch. It doesn’t have a strong smell like a lot of other products which I really like. The only thing I don’t like about is if you forget to turn it on for a while before you go out it doesn’t work quickly. You have to turn it on for a while before you go out to have good coverage. I would continue to buy though, and recommend to friends and family.
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Reviewed in the United States on July 28, 2026 by S Gardner
Color: Black
I was quite surprised when I received this because I didn’t realize how small it would be. I’m honestly happy about it being so compact as It does what needs to be done yet isn’t an eye sore. I knew it only reaches max of 20ft but I don’t really think that is worth $55. I also found that if it’s windy, the mist/repellent diffuser doesn’t always work within the 20ft radius so it may seem like a smaller area instead of the 20ft. The charge only lasts up to 5hrs. It is not very loud and I like that it’s pet friendly. I appreciate that it’s rechargeable. I do think that there should be better instructions. The refills are around $15 for 40hrs and that is an added expense to think about. I feel like this would be great for the beach in areas where there are annoying flying bugs (but no wind/breeze) or camping. I’m not sure if this is common but the initial cartridge doesn’t seem very full and I’m not sure how it will last the 36hrs that is claimed.
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Reviewed in the United States on August 17, 2026 by amfamg1
Color: Black
I’ve been using the E‑ZONE GUARD Patio Max 12 HR BASE‑BLK for several evenings now, and I’m honestly impressed with how much more enjoyable my outdoor space has become. Mosquitoes usually ruin any chance of relaxing outside, but this device has made a noticeable difference in keeping them away without needing to spray anything on my skin or light messy candles. Setup was quick and straightforward. The rechargeable base is a huge plus—no more constantly buying batteries—and the USB‑C port makes it easy to keep powered. I also appreciate that it’s scent‑free and DEET‑free, so it doesn’t bother anyone sitting nearby. Once it’s turned on and warmed up, the coverage area is solid enough for my patio seating, and I’ve been able to enjoy evenings without constantly swatting or getting bitten. The design is sleek, lightweight, and easy to move around depending on where I’m sitting. I like that it comes with a refill to get started and replacing them seems simple enough. The 12‑hour base runtime is perfect for long nights outside, whether I’m relaxing, grilling, or hosting friends. Overall, this has been a great addition to my outdoor setup. It’s convenient, effective, and makes spending time outside so much more comfortable. I would absolutely recommend it to anyone who wants a cleaner, easier way to keep mosquitoes at bay.
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Reviewed in the United States on August 19, 2026 by Michelle Candler
Color: Black
I’m happy with the Thermacell E-zoneguard Patio Max. I wanted it before the end of summer, when evenings get shorter and I’m increasingly concerned about mosquitoes and diseases like West Nile and EEE here in New England. Setup was very easy, and charging with the dock was straightforward. One helpful tip: I read that you need to give it about 15 minutes for the mosquito-repellent zone to fully form, so don’t expect immediate results. So far, it’s been an easy to use and effective addition to our family evenings outside.
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Reviewed in the United States on August 24, 2026 by PA
Color: Black
This machine actually works, no mosquitos or midges (UK) seen while it’s running. Only takes about a minute to heat up. Little wisp of vapour is visible so you can see it’s working. One full charge lasts for 3-4 evenings, and these are now USB type-C like most portable electronics. It looks as if I’m about halfway through the refill cartridge after 14.5hrs use. Shame they’re quite expensive! Looking forward to taking it on vacation to Europe later this summer. My one suggestion for improvement would be - it’s a quick press to turn on, and a long press to turn off. Seems it would be safer to have it the opposite way round to prevent accidental activation in a bag? Also note it comes in bulk packaging (brown cardboard box) rather than the shiny blue product packaging seen here.
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Reviewed in the United States on August 11, 2026 by Alex
Color: Black
The Thermacell E-ZoneGuard is a pretty good but pretty standard Thermacell product. I've used 2 other Thermacell products in the past including their butane powered version and they all work about the same in regards to repelling bugs and mosquitos. I definitely prefer their battery versions over the their butane versions in the way they work as they are way more convenient but you have to have power so these battery versions are not great for camping if you won't have a way to charge it. I can't speak to how long the battery lasts on this one but the battery on my other lasts about as long as it says it should. We can usually get 2-3 nights of use out of one charge before needing a recharge. The nice part about this unit is it can be charged with a USB C connector or the charging puck that it comes with. The puck is nice you can leave it plugged in and just set the Thermacell on it when you are done to charge. The one thing I hate about the Thermacell design is its basically a wicking design so be sure to put the cap back on the refill canister when you are done otherwise it will dry out and you will use product over time when its just sitting around. The repellency of this product is hit or miss. It does vary a lot by area you are in and how bad the bugs and mosquitos are. It does repel some other bugs besides mosquitos but definitely targets mosquitos the best. However, if the mosquitos are really bad outside this thing doesn't seem to do much. We usually combine this with other methods of mosquito repellants like essential oils. This is typically how we get the best results from deterring mosquitos is using multiple methods. Like I said this thing helps but it is not a cure all for mosquito repellency
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Reviewed in the United States on August 27, 2026 by solucky63