Thermacell Mosquito Repellent Rechargeable Adventure EX-Series EX90; Patio Shield with 9-Hour Battery, Includes 12-Hour Refill, Rubber Armor & Carabiner; Scent Free Bug Spray Alternative

It states that a 12 hour refill is included but unfortunately it wasn’t.

The product worked from the point of view no bites in the 2 hours sat outside but the capsule it came with had barely any liquid and looked like it had leaked and now NO REFILLS on Amazon and massively expensive refills off another site so be warned it works but Will be Expensive to Run if you can get refills.

The promise: an electronic device that you can turn on to keep mosquitos away. The electronic part is a partial truth, as the electricity is just used as a source of heat, but it's an effective way of keeping mosquitos away. Thermacell devices, electronic or not, work by slowly releasing allethrin, an insect repellent. Low heat is used to make the repellent go into the air. Allethrin is mostly harmless to humans and pets, though it's recommended that you not ingest the repellent or use it near food. There is nearly no smell; the repellent itself is odorless, but the device sometimes releases a bit of smoke. The older fuel-based ones, which either use butane fuel or sit on top of an isobutane fuel canister, use felt mats to hold the repellent; you have to replace the mat after four hours of use. The electronic ones instead use a cartridge loaded with liquid repellent and a wick that slowly releases it; it can provide up to 40 hours of use from a single cartridge. The electric power is simply used to provide heat. Thermacell makes two versions of the electronic device. The more basic one has 6 hours of battery life. This is the upgraded one with a battery that lasts 9 hours, which is enough to keep the device powered for most day events. If you need more run time you can connect it to a USB power bank, or to an AC-powered charger if you're in a location where outlets are available. The cartridges are good for 12 or 40 hours of operation; the bigger ones will cover an entire weekend of camping if you connect it to a large enough power bank to keep it running that long. You have to supply your own charger; the Thermacell does not include one. The company says it will keep a 20 foot area clear. That's true on a reasonably calm day. Winds will carry the repellent away so the effective range is smaller on a windy day. If the winds are REALLY high you won't need to run it because the mosquitos won't be flying. Make sure not to lose or throw away the cap of the repellent cartridge unless you are certain you will use up the rest of its capacity in the current use session. You need to put it back on before you store the cartridge. I recommend keeping the cartridges, new or partially used, in a Zip-Loc bag to make sure you don't end up getting the repellent on other things; the cap is supposed to be enough, but belt and suspenders :)

This thing actually does keep the mosquitoes away My wife and I both react to bites. When using this product properly we don’t get bitten. We have one each for the front and back porches, and another for the ranch. Refills are a little costly but are worth every penny.

We like that the product is rechargeable and you don’t have to deal with the propane of the other models. 20 ft radius is about right. Neither is us notice a smell unless you stick it in your nose. As you would expect, Effectiveness diminishes if there is strong wind. Wide stable base. It is new, and 9 hrs seems about right for what we are seeing. 2 cons: the rechargeable versions are more expensive per hour to use because the refills are more expensive per hour than the non rechargeable versions. About 45 cents per hour using the largest and cheapest on Amazon. I think the non- rechargeable are more like mid 30 cents per hour. Second issue, you have to be sure to charge them within a day or two of intended use, or the battery’s starts to drain if just sitting unused on a shelf. Have not tried to find out by how much, but the unit has 3leds that tell you what level the charge is. If we let it set maybe 3-4 days after giving it a full charge, it may show only two leds, and once it showed only one. Just be forewarned. We sometimes hang ours by the strap right outside the door of our RV if bugs are bad. Does a good job of letting us open the door without any bugs getting in.

Charge it like a phone after using it and youre golden. After a weekend of being outside for 3 days, and using it when the mosquitos come out, I have gotten one ONE bite, from the normal 10 or so EACH NIGHT. I am finally able to not need to worry about getting eatin alive. Lowes hardware carries the 12 hour refills which is awesome. I do wish the battery charged faster, but if you charge it after use (like a phone), its not a worry. This will be carried with me anytime im going to be outside when the mosquitoes come out!!

Would give them zero if I could. Photos don’t lie. This is what happens when a when you store them in an air conditioned house. Nice quality china may want to check the plastic composition against the chemicals. Garbage, again. Starting to become eBay around here.