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The 8 Best portable breathalyzers of 2025

Are you trying to find portable breathalyzers among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling portable breathalyzers on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 20 hours of research and did 39 portable breathalyzers tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best portable breathalyzers you can buy today

SaleNo. 1
BACtrack Element Breathalyzer | Professional-Grade Accuracy | DOT & NHTSA Compliant | Portable Breath Alcohol Tester for Personal & Professional Use
  • PRO-GRADE ACCURACY - Powered by BACtrack's platinum-based Xtend Fuel Cell Sensor, the Element utilizes the same professional-grade technology trusted by hospitals, clinics, and even law enforcement.
  • ONE-BUTTON OPERATION - The BACtrack Element is extremely easy to use. Simply insert the two included AAA batteries, power on your breathalyzer and begin testing. It's that easy.
  • DOT/NHTSA COMPLIANT - Designed to meet the rigorous standards of expert alcohol screeners, from roadside law enforcement to hospital employees & treatment professionals, the Element is compliant with US DOT & NHTSA regulations for alcohol screening devices.
  • SMALL & PORTABLE SIZE - The Element is BACtrack's smallest professional breathalyzer, making it easy to take with you anywhere you go. Measuring just 4.25 x 1.875 x 0.625 inches, it's much smaller than an iPhone, and easily fits in a purse or pocket.
  • ONE YEAR WARRANTY - If your BACtrack Element ceases to function properly during the first year of operation, we will repair or replace the defective product at no charge.
No. 4
ZBK Breathalyzer Rechargeable,Professional-Grade Accuracy Alcohol Tester,Alcohol breathalyzer,Portable breathalyzer,Suitable for Family, Personal, Driver, Professional use
  • High sensor for accurately test :The breath alcohol tester also provides you a reliable and stable result within 1.76% deviations every time when you test, good for Personal, Professional, third part organization, drivers, Party, families in household partiesuse,trusted by hospitals, clinics and even law enforcement
  • The most accurate breathalyzer :In your efforts to drive more responsibly you need the most accurate results. While some breath testers give inconsistent readings and leave you wondering what your true BAC reading is ZBK breathalyzers will always give you police grade accuracy,Escort for your safe driving
  • Practical and easy to use : Blow for 3-5 seconds and your BAC results are displayed 10 seconds later on a bright, easy to read LCD screen. Alcohol tester breathalyzer Lithium batteries battery powered, comes with 5 reusable mouthpieces. Wait 13 minutes after consuming alcohol for the most accurate result
  • Easy to carry :a portable alcohol tester designed to , A professional alcohol tester,from roadside law enforcement to hospital and treatment professionals. Response Time 5 Seconds , making it easy to take with you anywhere you go; Measuring just 5.3x 1.875 x 0.625 inches, it's much smaller than an iPhone, and easily fits in a purse or pocket
  • High quality maintenance :Designed to read thousands of times with accurate results every time. When used correctly, testing 13 minutes after eating or drinking, ZBK will last for years. All ZBK Alcohol Tester also come with a full one year warranty, should any issues arise
No. 6
BACtrack Scout Breathalyzer | Professional-Grade Accuracy | DOT & NHTSA Compliant | Portable Breath Alcohol Tester for Personal & Professional Use
  • PROFESSIONAL-GRADE ACCURACY - Powered by BACtrack's platinum-based Xtend Fuel Cell Sensor, the Scout utilizes the same pro-grade technology trusted by hospitals, clinics, and even law enforcement.
  • SIMPLE, ONE-BUTTON OPERATION - The BACtrack Scout is extremely easy to use. Simply insert the two included AAA batteries, power on your breathalyzer and begin testing. It's that easy. Your BAC results are displayed 10 seconds later on a bright LCD screen.
  • DOT/NHTSA COMPLIANT - Designed to meet the rigorous standards of expert alcohol screeners, from roadside law enforcement to hospital employees & treatment professionals, the Scout is compliant with US DOT & NHTSA regulations for alcohol screening devices.
  • SMALL & PORTABLE SIZE - The Scout is BACtrack's smallest professional breathalyzer, making it easy to take with you anywhere you go. Measuring just 4.25 x 1.875 x 0.625 inches, it's much smaller than an iPhone, and easily fits in a purse or pocket.
  • ONE YEAR WARRANTY - BACtrack stands behind every product we manufacture and sell, but if during the first year of operation any unit ceases to function properly, we will repair or replace the defective product at no charge.
No. 7
Breathalyzer,Professional Accuracy,Portable Breath Alcohol Tester with Indicator Light and Digital Display for Home Use ( 10 Mouthpieces)
  • ❗High Accurancy and Battery: This Breathalyzer performs gas detection through a sensitive semiconductor sensor. This portable breathalyzer can quickly give a referenceable result when the result is + or - 0.02 sensor accuracy at 0.050 percentage of BAC. 2AA 1.5V batteries need to be prepared before use
  • ❗Easy to Use: Easy to use. Press the button for about 2 seconds and the device will turn on, then the device will count down from 20 seconds. When the countdown is over, the screen will display "blo". , then blow evenly until the device emits three beeps, and the test result will be displayed on the screen after a few seconds.
  • ❗LCD display and automatic shutdown:All test results are shown on the LCD display, including the battery level, and alerts are given when the battery is low. In addition, there is an automatic shutdown function, when the Breathalyzer is turned on, if 20S no operation will automatically shut down to save electricity.
  • ❗EASY TO CARRY AND PACKAGE: Breathalyzer is only 4.84in*1.73in*0.75in and supports 2AA batteries. You can easily carry in your pocket, bag or in the car. Very convenient to carry out. Package: 1 * alcohol tester, 1 * manual, 10 * Mouthpiece, 1 * Packaging bags,1*Warm Tips(No Battery).
  • ❗PERFECT AFTER-SALES SERVICE: Three days after you purchase the product you will receive an instruction for the use of the product. If you encounter any problems in the use of the process, please contact us in a timely manner, our after-sales team will provide you with the best quality service to help you solve the problem, customer recognition is our biggest goal.
No. 10
BACtrack S35 Breathalyzer Portable Breath Alcohol Tester
  • Advanced semiconductor sensor provides trusted results
  • Ultra-portable design and unmistakable, palm-of-hand feel
  • Manufactured by BACtrack, the #1 most-trusted brand of breathalyzers, with over 13 years of experience providing the most accurate, convenient and affordable breath alcohol testing devices on the market
  • Replaceable mouthpieces makes testing friends and relatives safe and easy

How to choose a good portable breathalyzers

Does the idea of finding a fantastic portable breathalyzers make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in portable breathalyzers. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top portable breathalyzers products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top portable breathalyzers on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top portable breathalyzers brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top portable breathalyzers based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the portable breathalyzers were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good portable breathalyzers, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your portable breathalyzers.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting portable breathalyzers for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our portable breathalyzers. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what portable breathalyzers should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on portable breathalyzers.