Top 10 Best Portable Breathalyzers in 2023 Reviews

Last updated on January 16, 2023

Portable breathalyzers are quite important on the road. They are a must-have for every responsible motorist. You don’t want to drive when you’re above the recommended alcohol limit. Driving while drunk is not just irresponsible but also dangerous. You’re not just putting your life at risk but also the life of other road users. This is where these handy gadgets come into use. They help people that have taken alcohol know their limits before getting on the road. The gadgets test the amount of alcohol in your breathe. This correlates with the amount of alcohol in your blood.

Apart from safety reasons, you’re likely to lose your driver’s license and even get a jail term if caught driving while drunk. This is why we’ve researched the best portable breathalyzers for you. These devices will help you know your alcohol limit. However, not all portable breathalyzers are made the same. We’ve narrowed down your search to 10 leading breathalyzers to consider buying. Check them below and choose one suits your needs.

10. BACtrack S80 Breathalyzer| Professional-Grade Accuracy

BACtrack S80 Breathalyzer| Professional-Grade Accuracy

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This is the number one rated portable breathalyzer and a perfect choice to consider buying. It is by far the most accurate, reliable and easy to use breathalyzer. Besides, the breathalyzer is practical and easy to use. You just need to blow for 5 seconds and have your results in 10 seconds. Moreover, the device features an easy-to-read LED display. It clearly shows the readings making it easy to read and understand. This is a battery-powered breathalyzer with 6 reusable mouthpieces.

Overall, this is an FDA approved and DOT approved breathalyzer in over 50 states. You can be sure of accurate and consistent results. The breathalyzer also comes with a one-year warranty to order with confidence.


  • Accurate and consistent readings thus reliable
  • Easy to read due to a bright LED display
  • Quick results on 10 seconds
  • Safe and surpasses the most rigorous tests


  • Loud long beep

9. Breathalyzer, [FDA Certification] Rofeer Digital Blue LED Screen

Breathalyzer, [FDA Certification] Rofeer Digital Blue LED Screen

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This is another portable design breathalyzer with a blue LED screen. It is a versatile unit with six alcohol measurement. Moreover, the breathalyzer gives a sound warning and color distinction. This makes the device a perfect choice for persons with sound impairment. You can read and follow the color changes on the screen. Besides, the breathalyzer is pretty easy to use and operate. You just need to set the power button and blow. You can get results in 10-15 seconds. Overall, this is a compact and energy-saving breathalyzer to consider buying. It also comes with 5 reusable mouthpieces.


  • 5 reusable mouthpieces to share with friends
  • Fast result reading in 10-15 seconds
  • Easy to read and understand due to a blue LED screen
  • Compact and lightweight thus easy to carry


  • Feels cheap

8. Breathalyzer Portable Breath Alcohol Tester LCD Screen

Breathalyzer Portable Breath Alcohol Tester LCD Screen

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This is another sensitive breathalyzer with high accuracy levels. It is a reliable breathalyzer that measures the human body and gives results in different units. The unit warns you through audio or video. Besides, this breathalyzer is extremely easy to use with the single-touch operation. It comes with three AA batteries for immediate use. You simply need to power it to start using. Moreover, the unit gives you the freedom to choose the units of measurement. Overall, this unit is easy to read due to a blue LED screen. It is an energy-saving breathalyzer with an automatic shutdown.


  • Automatic shutdown thus energy-saving
  • Easy to read due to the blue LED display
  • Easy one-touch operation
  • High accuracy and sensitive thus reliable


  • A little bulkier

7. Dishwasher Fuse Kit for Whirlpool, Sears, Kenmore

Dishwasher Fuse Kit for Whirlpool, Sears, Kenmore

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This is another simple breathalyzer running on two AAA batteries. It is easy to use and operate. Just insert the batteries and blow for 5 seconds. The unit will display accurate results on the screen after 15 seconds. This is a reliable breathalyzer with police-grade accuracy. The unit gives accurate and consistent results every time you test. It is a reliable unit with NHTSA/DOT approval. The device meets the highest rigorous tests for use by roadside law enforcement offices and hospitals. Overall, this is a small and portable breathalyzer easy to carry and use pretty much anywhere. You can take it with you everywhere.


  • Small and portable size thus easy to take anywhere
  • DOT/NHTSA approved thus safe
  • Police-grade accuracy thus reliable
  • Easy to use with simple instructions


  • Common fuse failure

6. Breathalyzer, [FDA Certification] VEIPAO Professional Alcohol Tester

Breathalyzer, [FDA Certification] VEIPAO Professional Alcohol Tester

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This is a USB rechargeable breathalyzer with excellent features to consider buying. It is a practical design and easy to use a breathalyzer to consider buying. The breathalyzer works fast giving results in 10 seconds. This is a user-friendly breathalyzer with LED display. It allows easy unit changing to a set-user defined BAC thresholds for safe testing. It is a premium quality alcohol tester with an automatic alarm calculation. The alarm gives three prompts of safe, warning and danger. It is a safe breathalyzer that shuts down automatically after 15 seconds of completing the test. This also helps save energy and offer an extended use. The tester also comes with ten reusable mouthpieces and a cloth bag for easy carrying.


  • Long-lasting use due to 10 reusable mouthpieces
  • Automatic alarm calculation
  • Reliable due to high accuracy levels
  • Digital LED display thus easy to read


  • You have to wait for 15 seconds after turning it on to blow

5. Personal Breathalyzer, Portable Breath Alcohol Tester Digital

Personal Breathalyzer, Portable Breath Alcohol Tester Digital

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This is a high-precision digital breathalyzer with very accurate readings. The tester features advanced semiconductors. They give accurate readouts in the shortest time. There are also 5 reusable mouthpieces to test for friends. You need to press the power button several times when using it for the first time. This helps clear internal excess gas in the semi-conductor and gives precise readings. It is a highly sensitive breathalyzer that can give accurate blood alcohol. Moreover, the breathalyzer features a blue LED display for easy readouts. It is extremely easy to handle and use breathalyzer. The unit features a single button operation.


  • Single-button operation thus easy to use
  • Portable design hence easy to carry
  • Blue LED display thus easy readouts
  • High-precision thus accurate


  • Alarm is pretty loud

4. AlcoHAWK PT500 Breathalyzer, Fuel Cell Sensor

AlcoHAWK PT500 Breathalyzer, Fuel Cell Sensor

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This is another police-grade breathalyzer with accurate fuel cell sensors. The breathalyzer is pretty easy to operate and use. It features a simple menu and specific alarm points. You can check the number of tests performed with ease. This is a brilliant 4-digit test result display unit capable of picking trace amounts of alcohol. It is a perfect unit when performing zero-tolerance alcohol environments. Moreover, the PT Core Fuel Cell ensures accurate and consistent results. Furthermore, results are accompanied by semi-conductors to reduce false positives. Overall, this is a long-lasting breathalyzer with over 1000 tests.


  • Long-lasting and can deliver over 1000 tests
  • Zero false positives due to added semi-conductors after fuel cells
  • Easy to read because of the 4-digit display
  • Accurate and consistent results


  • Pricey

3. ISOBER 30 Breathalyzer | DOT, NHTSA Compliant| SuraCell Fuel Cell Sensor

ISOBER 30 Breathalyzer | DOT, NHTSA Compliant| SuraCell Fuel Cell Sensor

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The ISOBER is another accurate breathalyzer with fuel cell sensor technology. It is a safe design unit with DOT and NHTSA compliant. The breathalyzer is also FDA cleared for safe use. It is a stable and reliable unit to use for long periods. Besides, the unit is approved and accredited by the Swedish laboratory MHF passing over 33 test requirements. It is a reliable general public breathalyzer with up to 12 months of calibration interval. Overall, this is an award-winning breathalyzer unit to order with confidence. It is rated as the best personal breathalyzer in the EU. It is a quality assured breathalyzer with over 20 years of law enforcement use.


  • Police-grade accuracy thus reliable
  • DOT & NHTSA compliant
  • FDA cleared thus safe to use
  • Simple design thus easy to use


  • Needs re-calibration after a year

2. oasser Rechargeable Breathalyzer Alcohol Tester

oasser Rechargeable Breathalyzer Alcohol Tester

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This is a simple rechargeable breathalyzer easy to carry and use anywhere. It is a compact and lightweight unit. Besides, the breathalyzer features a digital LED display. This allows for easy and quick readouts without straining the eyes. The tester features an alarm warning and warming light that shines constantly to remind users. It is a pretty decent design breathalyzer with a built-in lithium battery. The unit is easy to charge using a UBS cable. In addition, this device features an intelligent memory function and can save the last 10 tests. Overall, this is a versatile tester with 5 mouthpieces to use on friends and family members.


  • Rechargeable AAA batteries thus easy to use anywhere
  • Digital LED display hence easy readouts
  • Alarm and warning lights
  • Intelligent memory function thus saves 10 last tests


  • Not very consistent but works

1. Breathalyzer Keychain Digital Alcohol Tester Detector

Breathalyzer Keychain Digital Alcohol Tester Detector

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This is our final best portable breathalyzer and a decent choice. It is a simple and convenient breathalyzer to carry and use anywhere. This unit will accurately give blood alcohol concentration anytime with high sensitivity. This is a pretty accurate device with a high detection range of 0.00-0.19 BAC. Besides, the unit gives rapid results with a quick response time. This is a blue-colored LED display LCD tester to order right away. It is a low-energy consumption unit with an automatic shutdown. The unit is a perfect choice for the driver DUI test.


  • Longer lifespan
  • Rapid test results due to quick response time
  • Blue-colored screen thus easy readouts
  • High-accuracy and detection range thus reliable


  • Some lack the keychain part

Factors to consider when buying a portable breathalyzer

When looking to find the best portable breathalyzer, there are several factors to consider. These include the following:

Technology they use

You must consider the type of technology these breathalyzers use before choosing one. The best and most accurate breathalyzers use fuel cells. Fuel cell technology gives accurate readings making it pretty reliable. You need to avoid breathalyzers with semiconductors. These give inaccurate readings and are basically toys. You don’t want to risk your life on devices that will give inaccurate readings.


Breathalyzers must be calibrated to give accurate and precise readings. The ideal breathalyzer must be calibrated for ready and immediate use. You don’t want to order a breathalyzer that must be sent for calibration after use. Make sure you choose units that are calibrated and ready for you.

Result display

The ideal breathalyzer must feature a clear and bright display. You need a device with a bright LED display for easy reading. The screen must also feature a backlit for easy reading in low-light conditions. In general, consider a device with fast-reading and clear display of the results. Some of the best breathalyzers give accurate results in 10-15 seconds. The first 5 seconds are for blowing as you await the result in the next 5-10 seconds.

Size of the device

The whole purpose of buying a breathalyzer is to use it when on the road. It is more of a safety device that warns you to avoid driving when above the limit. You need a breathalyzer that is portable and easy to use on the go. This means you can carry with you on night outs. Consider breathalyzers with a foldable mouthpiece design for easy carrying. Moreover, the ideal breathalyzer must feature multiple reusable devices to share with friends. This is a great feature to prevent the risk of spreading germs.

Smartphone compatibility

Some advanced breathalyzers can connect with your smartphone via an app. This way, you can always blow and have the results displayed on the app on your phone. The app is an added advantage giving up to 10 last recorded readings.

Approval by agencies

Lastly, you need to consider breathalyzers that are recommended by various authoritative agencies. Consider FDA approved breathalyzers for added safety.

Final verdict

In conclusion, these are the best breathalyzers on the market to consider buying. Breathalyzers are important devices that ensure you only drive when on recommended limits. Avoid unnecessary risks to your life and other motorists by getting a breathalyzer today. Our reviews above narrow down your choices to just 10 leading breathalyzers devices to buy with confidence.

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