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Groom Your Car

The World's #1 Car Accessories Advisor

10 Best Rodent Repellent For Cars to Buy in 2021 [Reviewed]

June 30, 2020 by A.J. Baime

So I hope you agree with me when I say:

 “Rodents are a nemesis to any car owner” 

Rodents and Mice can scuttle their way into almost anything and when it come to the hood of your car they can also present serious risks to your vehicles hardware. These slithering creatures sometimes choose the warmth under the hood of your car as their local resting place. Furthermore, they might even attempt to amass food supplies right between your car parts. Slashing and Dashing through the wires these rodents will damage your car on significant levels.

But fortunately these compact rodent repellers can be an easy solution to all your rat problems. The ultrasonic high frequency waves emitted by these devices are unbearable for a typical rats brain and forces them to immediately escape away from the source. Moreover, these waves don’t present any threat to your own hearing as they are way above human frequency registering range. With these devices installed under the hood of your vehicles no rodent will ever come close to your delicate wires. For further information we have provided some insights on How Ultrasound Waves Repel Rodents? and How to hook up these devices with your car battery?

Best Rodent Repellent Cars 2021:

Here are our top picks for the best rodent repellents you can buy for your car.

Car WaxesRatingPrice
Loraffe Underhood Ultrasonic Mouse Repeller 9/10
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Angveirt Under Hood Battery Operated Rodent Repellent (2 Pack) 10/10 (Editor's Choice)
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Loraffe Battery Powered Under Hood Rodent Repeller 9/10
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SereneLife Under Hood Car Rodent Repeller 8/10
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Glaobule Under Hood Battery Operated Rodent Repellent (2 Pack) 8/10
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HAINANSTRY Under Hood LED Rodent Repellent 9/10 (Amazon's Choice)
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FAYINWBO Car Mouse Repeller 8/10
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Angveirt Battery Operated Rodent Repellent 8/10
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MouseBlocker UltraSonic Rodent Repeller 8/10
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New Ram Technology Ultrasonic Rodent Repeller 9/10
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1. Loraffe Underhood Ultrasonic Mouse Repellent

Why we love it?

  • Simple two wire installation to the cars battery
  • Auto Standby when the car is started
  • Protects Vehicle Battery by automatically turning off at low voltage

 

 

ProsCons
Simple InstallationMight deter with weak batteries
Trusted Repellent Brand
Saves Energy Efficiently

Why should you get it?

Loraffe’s is one of the first companies to devise these underhood rodent repellents with two of their products present on this list.

This smart looking repellent is extremely easy to use after you hook it up to your car’s battery. The automatic battery protection and battery saving features are the eminent highlights of this product. It stands as one of amazon’s best sellers and neither does its sleek look betray its reputation.

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2. Angveirt Under Hood Battery Operated Rodent Repellent (2 Pack)

Why we love it?

  • Wireless Battery operated functionality
  • Bright Strobe lights keep rodents away in the dark
  • Easily adjusts anywhere with zip ties

 

 

ProsCons
Wireless and PortableDifficulty in replacing batteries while its tied
Blinking light ensures its working from far away
Doesn't Bother any pets

Why should you get it?

Angveirt’s Rodent Repellent is known for its slick ninja looking design and powerful performance.

Powered by 3 AA alkaline batteries this device can last 45 days with 24 hour activity. Moreover, the battery longevity is further sustained by anti vibrations functionality. Which means that the repellent only activates when car is parked, saving a lot of battery time. With no external power required this device has no dependence on car battery and adjust anywhere with the use of zip ties or other techniques.

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3. Loraffe Battery Powered Under Hood Rodent Repeller

Why we love it?

  • Battery Operated Cordless Use
  • Fluctuating Waves for efficient functionality
  • Easy installation with included zip ties

 

 

 

ProsCons
Sounds Alarm on DetectionBatteries need to be replaced after a maximum of 6 weeks
Bright Strobe lights ensures its operating from far
Easy Installation with zip ties

Why should you get it?

This is the second entry from Loraffe, this time with a battery operated cordless model. This device also stands as one of the amazons best sellers in the battery operated repellents.

Operating on the usual 3 AA alkaline batteries this device is enforced with durability and efficient power management with its fluctuating ultrasonic emissions. Easily hooks up anywhere with included zip ties. This device is specially designed for cars but can also be used to a wide range of places like garages attics and such.

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4. SereneLife Under Hood Car Rodent Repeller

Why we love it?

  • Self Charge system with vehicles battery
  • Uses a wide range of frequencies to repel all sorts of rodents
  • Effective for a large coverage area of more than 300 square feet

 

 

ProsCons
Large Coverage Area
Self Charging System
Low Battery Led indicator

Why should you get it?

Serenelife’s rodent repellent utilizes a wide range of ultrasound wave frequencies which effectively repel all sorts of rodents and small creatures that can invade your car. These animals are repelled away without causing any sort of serious or lethal damage to them hence cats are safe around your car but will leave the area.

The repellents self charge system makes for it everlasting functionality as it optimally shares power with your car battery. The minor consumption level of 15mAh and voltage Requirement of 12V  it will have no interference with your cars other operations. The large coverage area of 300 square feet ensures that even if you put this device in your trunk there wont be any infiltrations under the hood.

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5. Glaobule Under Hood Battery Operated Rodent Repellent (2 Pack)

Why we love it?

  • Powerful blasts of ultrasonic waves
  • Battery Powered Functionality
  • Extremely simple to use
  • More than effective performance

 

 

 

ProsCons
Automatic On/Off SystemHard to open battery compartment
Simple to use
Good Value for a pack

Why should you get it?

Glaobule’s Rodent repellents are one of the most reliable repellents on amazon. These repellents are equipped with glaring strobe lights which work with the ultrasonic waves to get rid of those rodents for good.

The battery powered design makes the product portable and easy to adjust in any corner of car with the help of some zip ties or velcro. The repellent not only repels mice but all sorts of bugging creatures such as squirrels, rabbits, rats , cats etc. Consequently keeping your wires and car parts safe from these scuttlers.

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6. HAINANSTRY Under Hood LED Rodent Repellent

Why we love it?

  • Multiple Power Consumption Options
  • Smart Over-Voltage Protection Chip
  • Suitable for all types of vehicles

 

 

 

ProsCons
Multiple Power Supply Options
Vibration Sensing Functionality
Suitable for all sorts of vehicles

Why should you get it?

HAINANSTRY’s Rodent Repellent is one of the most professional devices on the market. With the combined functionality of high frequency waves and glazing strobe lights, the rodents lose their sense of direction and are repelled out of the area in effect.

This device is unique for its multiple power consumption options with the average power requirement ranging from 10-35 mAh. The three options include, powering with 4 AAA Batteries, USB charging adapter supply with dc plug, power supply from car battery. You can choose whatever suits your car the best. Over-Voltage Protection smart chip helps stabilize power and sustains battery time with efficiently low power consumption.

Also check out Best Coilovers for Daily Driving,

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7. FAYINWBO Car Mouse Repeller

Why we love it?

  • Variable Frequencies avoid rodents getting used to the sound
  • An Alarm sounds when device is below the required voltage
  • Vibration detection allows for device to trip when car starts

 

 

ProsCons
Low voltage AlarmMight be slightly heard by sensitive ears
Does not suck up car battery
Suitable for all types of vehicles

Why should you get it?

FAYINWBO’s rodent repeller utilizes latest biological knowledge and scientific techniques for the repulsion of these scuttlers. Using a constantly changing spectrum of frequencies to counter adaptability in a mouse for a particular frequency.

These devices are fitted with a low voltage alarm that sounds whenever the voltage drops below the requirement of 9.2 volts hence avoiding any battery problems. With the vibration detection the device will automatically turn off when the car starts.

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8. Angveirt Battery Operated Rodent Repellent (2 Pack)

Why we love it?

  • Lasts for more than 64 days
  • Super high frequencies for ultimate coverage and effectiveness
  • Economical price for the pack

 

 

 

ProsCons
Long Lasting Period of over 9 WeeksSquirrels and ferrets might be able to tolerate it
No Wiring Required
Good Value for a Pack

Why should you get it?

Angveirt’s Long lasting rodent repellents are known for the massive 65 day functioning period with 24 hours continuous service.

Powered by two ‘C’ batteries this repellent also emits a powerfully wide range of frequencies ranging from 25,000hz to 55,000hz (Above human hearing levels). Consequently effecting a wider coverage area and providing effective rodent repulsion. Combining the strobe lights and high frequencies it keeps out all types of pesky animals even other than rodents such as squirrels, ferrets, rabbits, pests and small reptiles. This device is also effective in other locations such as attics, garages, basements, kitchens and such.

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9. MouseBlocker UltraSonic Rodent Repeller

Why we love it?

  • Durable Matte aluminium casing
  • Compact and fits anywhere easily
  • One of the most powerful ultrasonic output

 

 

ProsCons
Durable Aluminium CasingMight Drain Battery Over long term use (Switch off over long periods of not using car)
Adjustable Decibel Output
Effective Mice Repulsion

Why should you get it?

MouseBlocker is one of the most renowned producer of rodent and mice countering products. This compact rodent repellent is eminent of its repulsion capabilities with one of the most powerful ultrasonic outputs ever doubling the deterrents.

With a voltage requirement of 12 volts you can easily hook it up with the car battery from optimal performance. Bright white Led Strobe lights add to the visual appeal of the underhood. While the aluminium case gives it the durability it needs to survive in the harsh environment of underhood and protects the microchip inside and dissipates heat efficiently.

You might also like to read up on Best Car Battery for the Money

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10. New Ram Technology Ultrasonic Rodent Repeller

Why we love it?

  • Tough Heat Resistant Material
  • Auto Switching Frequencies for maximum effect
  • Wrong polarity and voltage protection ensures full safety

 

 

ProsCons
Latest Technology Slightly audible on the highest settings
Wrong Polarity and Voltage Protection
Easy to install

Why should you get it?

New Ram Technology’s rodent repellent is built on the foundations of advanced scientific technology. With the main ultrasonic transmitter having 2 db (sound) preset settings for optimal performance. In addition the auto-switching frequencies ensure maximum efficiency in rodent repulsion.

Compatible with both 12V and 24V battery supply and will auto detect the voltage of the battery and adopt the needed voltage. The smart microchip features one wrong polarity protection in case the device is connected to wrong polarity there’s a fuse that will burn out rather than presenting harm to the device or the surroundings. Secondly Low Voltage protection detects and turns off the device if its supplied with insufficient power. Easy installation with 2 wires connecting to the car battery.

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Conclusion:

The above mentioned Rodent Repellents consist of the combined reviews by our research team and many other buyers in order to analyse each device very carefully making sure the buyer’s expectations are fulfilled. The list consists of all top tear devices you can buy online with pros and cons of each item. So this list will definitely help you to find the perfect rodent repellent for your car.

More Information

How Ultrasound Waves Repel Rodents?

These Rodent repellents have a built in speaker that produces Ultrasonic Sound Waves with very high frequencies. These Frequencies are scientifically claimed to be intolerable by rodents. Hence, their first instinct is to leave the area in effect. These waves not only repels rodents but other pests and insects are also pushed out of the coverage area. While these frequencies are unbearable for these creatures, they pose no harm to humans and pets since they are way above our hearing range and the brain does not register them. Another problem is that these rodents are very resisting and adaptive creatures which can get used to a particular frequency. To counter this problem these repellents are design to have a random fluctuating pattern of various different frequencies which are very hard to adapt to.

How to Hook up these devices with Car Battery?

Half of the devices mentioned in our list are powered by the sharing a small supply from the car battery. It is quite easy to hook your rodent repellent with your battery terminals. After you open the car bonnet you will fit the device in a proper position next to the battery. Then take the end of your Red/Black Wire and fuse it with the positive pole of your battery and take the other Black/White wire and connect it to the negative pole. Make sure the connections are taught.

Now adjusting the device and tying it down in a fixed position is very important since most repellents are vibration sensitive and they need to be sturdy in their place to start functioning. Hence use some sort of velcro latch or the zip ties usually included in the package to tie the device down in one place. Now you can turn on your device so it can start defending your car from these pesky creatures.

Source:

Assessment of short-term exposure to an ultrasonic rodent repellent device

A.J. Baime
Hey! I’m A.J. Baime, an author, journalist & public speaker on anything & everything automobile related. I’m the regular contributor to The Wall Street Journal and best down for my books (i.e. The Accidental President, Go Like Hell) Writing about this industry is a huge passion of mine, so here’s a little piece of my mind.
Summary
Reviewer
Michael Ross
Review Date
2020-06-30
Reviewed Item
Best Rodent Repellers
Author Rating
51star1star1star1star1star

Filed Under: Accessories Tagged With: best mouse repellent, best rodent repellent for cars, best ultrasonic rodent repeller, how to keep mice out of car, how to stop rodents from chewing car wires, outdoor rodent repellent, ultrasonic rodent repellent

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