12 Best Smartwatches With Longest Battery Life (2022)

The smartwatch industry has already taken a significant hold in the smart device industry because of its wide range of utilities and features. When people buy smartwatches, they don’t want them to run out of battery soon. Are you one of them? If so, keep on reading.

With the advent of time, smartwatches have been flawlessly implementing these new features into a tiny form. This wide range of functionality drains smartwatch batteries quite quickly, and if you are on an outdoor adventure, you certainly don’t want it dying anytime soon.

This article will go through the following things:

  • Conduct a resounding breakdown of the 12 Best smartwatches with the longest battery life and discuss their benefits, drawbacks, and specifications.
  • Put these smartwatches to the test against each other on a large comparison table 
  • Discuss what factors should be evaluated when purchasing the best smartwatch with the longest battery life.
  • Deliver answers to some of the significantly asked queries regarding the best smartwatch with the longest battery life.

Best Smartwatches With an Extremely Long Battery life

Amazfit T-Rex — Best Overall Smartwatch

Specs

  • Dimensions: 47.7 x 47.7 x 13.5 mm
  • Weight: 59 g
  • Display: AMOLED
  • Resolution: 360 x 360 pixels
  • Automatic Workout Tracker: Yes
  • Connectivity: Bluetooth 5.0
  • Water Resistance: 10 ATM
  • Compatibility: Android, iOS
  • GPS: Yes
  • Battery Life: Up to 66 days
Reasons to Buy
  • Military MIL-STD-810G certified
  • Dynamic AMOLED display
  • More than 13 sports modes
Reasons to Avoid
  • Compatibility issues with third-party applications

The Amazfit T-Rex comes with durability and robustness which are necessary for outdoor adventure. The watch doesn’t just claim it but provides 12 military-grade certifications that allow it to withstand all environments.

The best thing about it is that while you are working out, it offers users more than 13 different sports modes that are equipped with automatic workout detection and allow you to receive different sports metrics on your smartwatch and phone using the Amazfit App.

It is also great at health monitoring and allows you to check different vitals such as heart rate, sleep, stress, and even blood oxygen levels. This can be helpful for people who are suffering from an ailment or just want to keep a check on their health activities.

When it comes to battery life, the Amazfit T-Rex packs one of the biggest battery reserves on the market. The watch can last you up to 66 days after a single charge which is more than what most other smartwatches are capable of providing.

The only point where the Amazfit T-Rex might be lacking is the compatibility issues with some  third-party applications but the issue has been observed, and Amazfit is working to resolve it pretty soon.

Some of the most crucial traits of the Amazfit T-Rex comprise the following:

  • Precise GPS and GLONASS location tracking
  • 12 different military-grade certifications
  • Water resistance
  • Heart rate monitoring
  • BioTracker
  • Weather notification

Bottom Line

The Amazfit T-Rex is providing the biggest battery life among all the watches on this list and added functionalities like BioTracker, and military certifications easily make it the best smartwatch with the longest battery life.

Amazfit Bip S — Best BioTracker Smartwatch

Specs

  • Dimensions: 42 x 35.3 x 11.4 mm
  • Weight: 31 g
  • Display: Color Transflective Screen
  • Resolution: 176 x 176 pixels
  • Automatic Workout Detector: Yes
  • Connectivity: Bluetooth 5.0
  • Water Resistance: 5 ATM
  • Compatibility: Android, iOS
  • GPS: Yes
  • Battery Life: Up to 40 days
Reasons to Buy
  • Lasts almost two weeks even while using GPS
  • Comfortable and lightweight design for kids
  • Inexpensive price tag when compared to features
Reasons to Avoid
  • No option for quick replies to notifications

The Amazfit Bip S was designed to be the affordable version of the Amazfit Bip smartwatch. Since it is a little less expensive than the original version, it is understandable that the functionality of this device is a little less.

But the great thing about the Amazfit Bip S is that it holds a lot of potential because of its features and inexpensive price tag, which is giving a difficult time to any other smartwatch in its price range.

The watch comes equipped with multiple health and fitness sensors to measure metrics like heart rate and blood oxygen. The watch comes with dedicated sports modes and BIoTracker, which makes sure all of these tasks are executed smoothly.

When it comes to battery life, the smartwatch is capable of providing more than a month of battery backup, which is insane and not available in any other smartwatch at this price point. This battery duration makes sure that your watch will be there when you need it the most.

The only known disadvantage of the smartwatch so far is its lack of quick replies to messages and other notifications. But since the watch is providing a great value to price, you will be missing out if you let it hold you back.

Some of the most noteworthy functions of the Amazfit Bip S are as follows: 

  • Heart rate monitor
  • Built-in GPS
  • Sports mode
  • PPG BioTracker with optical heart rate sensor
  • Pedometer
  • Smart Notifications
  • Sleep and stress tracking

Bottom Line

The Amazfit Bip S with its sports mode, BioTracker, and big battery life at such an inexpensive price tag allows it to easily rank itself among the best smartwatches with extremely long battery life.

Withings Steel HR — Best Aesthetic Smartwatch

Specs

  • Dimensions: 36.3 x 36.3 x 13 mm
  • Weight: 29 g
  • Display: Analogue & OLED
  • Resolution: 72 x 36 Pixels
  • Automatic Workout Tracker: Yes
  • Connectivity: Bluetooth
  • Water Resistance: 5 ATM
  • Compatibility: Android, iOS
  • GPS: No
  • Battery Life: Up to 25 days
Reasons to Buy
  • Stylish and minimalist design
  • Smart notification
  • Long battery life
Reasons to Avoid
  • Only tracks a selected amount of activities

Smartwatches have revolutionized fitness and health tracking industry but most of them come in the same design factor, and some people want more than that. This is where the Withings Steel HR comes with a classic, stylish, and attractive look.

The watch combines the classic analog watches with the technology of the modern fitness trackers and provides a new hybrid device that can do both jobs at the same time using the special OLED display present on the watch face.

It is capable of tracking different metrics such as heart rate, sleep, swimming, running, walking, and cycling. It also comes with a companion app that allows users to get a more thorough look into their tracked stats.

When it comes to battery life, thanks to the small OLED display, the watch can last you up to more than 3 weeks with a single charge. This should be enough time for you to carry out all of your work without having to worry about your watch’s battery life.

Although the Withings Steel HR does provide an activity tracker, it is not the best in the market as it can’t track a lot of activities. But if you are someone who just wants an aesthetically pleasing smartwatch, you will definitely like it.

Some promising features of the Withings Steel HR are as follows:

  • Heart rate monitor
  • Sleep tracking
  • Steps tracking
  • Dual display

Bottom Line

The Withings Steel HR is not the best fitness tracker on the market but if you are looking for something that looks great on your wrist, it definitely completes the task while also being one of the best smartwatches with extremely long battery life.

Amazfit GTS 2e — Best Sports Modes Smartwatch

Specs

  • Dimensions: 42.8 x 35.6 x 9.8 mm
  • Weight: 25 g
  • Display: AMOLED
  • Resolution: 348 x 442 pixels
  • Automatic Workout Tracker: Yes
  • Connectivity: Bluetooth v5.0, NFC
  • Water Resistance: 5 ATM
  • Compatibility: Android, iOS
  • GPS: Yes
  • Battery Life: Up to 24 days 
Reasons to Buy
  • Suitable for swimmers with up to 50 meters of water resistance
  • More than 90 sports modes
  • Long-lasting battery life
Reasons to Avoid
  • Bluetooth calling is Unavailable

The Amazfit GTS 2e was designed to be the affordable very of the rater expensive Amazfit GTS 2 model and watch did what it was told. It comes with a compact design and a super beautiful AMOLED display that just adds more to its charm. 

Just like other smartwatches, it comes with a rather extensive list of functions that allow it to give a tough challenge to any other watch on the market. It provides users with more than 90 sports modes that automatically detect all of your workouts and provide live and post stats.

It also excels in the health sector and comes equipped with some of the most crucial functionalities like BioTracker, and the PAI health assessment system that allows you to always keep your health in check.

When it comes to battery life, the watch is a beast and can easily last you up to 24 days under certain settings, which is still a lot for any smartwatch with so many functions. So you can rest assured once you charge it fully, it’s not leaving your side any time soon.

The only known downside of the Amazfit GTS 2e is its lack of Bluetooth calling feature. But if you look past that and want one of the best smartwatches under $150. You can experience the following features through this smartwatch:

  • Personalized watch face
  • BioTracker
  • Blood oxygen monitor
  • Heart rate monitor with abnormality alerts
  • PAI health assessment system
  • Stress monitor
  • Sleep monitor

Bottom Line

The Amazfit GTS 2e provides a big battery backup, loads of functions, and an affordable price tag which is everything one can dream about. This is the reason why it made its place among the best smartwatch with the longest battery life.

Garmin Tactix Delta Solar — Best Solar Smartwatch

Specs

  • Dimensions: 51 x 51 x 14.9 mm
  • Weight: 97 g
  • Display: Sunlight-visible, Transflective Memory-In-Pixel (MIP)
  • Resolution: 280 x 280 pixels
  • Glass: Power Sapphire
  • Connectivity: Bluetooth, ANT+, Wi-Fi
  • Water Resistance: 10 ATM
  • Compatibility: Android, iOS.
  • GPS: Yes
  • Battery Life: Up to 21 days/24 days with solar
Reasons to Buy
  • A massive 32GB of storage
  • Long-lasting battery life 
  • Sleek and strong design
  • Complete tracking of fitness workouts
Reasons to Avoid
  • Lacks loudspeaker and microphone

The Garmin Tactix Delta Solar is not just any regular smartwatch as it has been tested and proves itself to be up to the US military standards. The design, features, and utility make it seem more like a military device instead of a normal everyday smartwatch.

The watch provides a relatively large display compared to a normal smartwatch and packs some of the best features on the market in plain sight. Unlike most smartwatches, it doesn’t come with a touchscreen and rather provides navigation through a five-button system.

The Garmin Tactix Delta Solar is an absolute unit when it comes to tracking sports and fitness activities. It provides automatic workout detection along with unique sports modes that can help you out in activities like running, swimming, hiking, mountain biking, and even parachuting.

When talking about the battery life, the smartwatch can last up to 3 weeks under normal conditions, and you can extend it by a few days more thanks to the solar charging feature that charges your watch on the move.

Even though the smartwatch comes equipped with so many features, it still lacks a mic and speaker, so it can’t be used for the purpose of Bluetooth calling. But if you look past that, you can experience characteristics like:

  • Solar Charging
  • Satellite Connectivity
  • Pace Pro
  • Personal Workouts
  • Night Vision Compatibility
  • GPS
  • Military Standard 810 Design
  • Long-Lasting Battery
  • Heart Rate Monitoring

Bottom Line

The Garmin Tactix Delta Solar provides users with top quality features like personal workout plans, night vision compatibility, and Pace Pro along with solar charging and military standard design which allow it to be one of the best smartwatches with exceptionally long battery life. 

Garmin Fenix 6X Pro Solar  — Best Army Smartwatch

Specs

  • Dimensions: 51 x 51 x 14.9 mm
  • Weight: 82 g
  • Display: Sunlight-Visible, Transflective Memory-In-Pixel (MIP)
  • Resolution: 280 x 280 pixels
  • Connectivity: Bluetooth Smart, ANT+, Wi-Fi
  • Water Resistance: 10 ATM
  • Compatibility: Android, iOS 
  • GPS: Yes
  • Battery Life: Up to 21 days/24 days with solar
Reasons to Buy
  • Wrist-based heart rate
  • Performance metrics
  • Long battery life
  • Integration of sports apps
  • Backcountry ski
  • MTB dynamics
  • Powerful functionalities
Reasons to Avoid
  • A little complex for some people

The Garmin Fenix 6X Pro Solar comes from the flagship series of Garmin smartwatches and offers users a lot of the top-rated features available in the market. It has been developed to defy all kinds of challenges while delivering users utility and functionality.

The watch offers users a wide range of sports modes that can be picked and monitored according to their needs. It allows you to track simpler modes like running to something completely unique, including kayaking, parachuting, and even bouldering.

The automatic workout detector on the watch is also top-notch. When a user starts their workout, the watch automatically kicks in and starts to monitor all of their vitals and related metrics, and as soon as they finish their session, they can see all of these performance metrics on it.

When talking about the battery, the watch itself can easily last you up to 21 days but it takes an extra step, and the added functionality of the solar charging allows the watch to stay functional for up to 24 days which is more than enough for any adventure you are about to embark on.

Since the watch is providing so many features, it can be a little complex for a few people but nevertheless, the internet is filled with guides and tutorials that can help users achieve what they want.

If we had to select a few of the distinctive parts of the Garmin Fenix 6X Pro Solar, they would be as follows:

  • PacePro Technology
  • Workout Suggestions
  • Respiration Tracking
  • Animated Workouts
  • Power Manager
  • Hydration Tracking
  • Sleep Monitoring 
  • And Much More

Bottom Line

The Garmin Fenix 6X Pro Solar is one of the best watches from Garmin and it enjoys this spot based on its top-of-the-line features like the Solar Charging which helps it easily rank among the best smartwatches with extremely long battery life

Garmin Forerunner 945 — Best Running Smartwatch

Specs

  • Dimensions: 44.4 x 44.4 x 13.9 mm
  • Weight: 49 g
  • Display: Sunlight-Visible, Transflective Memory-In-Pixel (MIP)
  • Resolution: 240 x 240 pixels
  • Automatic Swimming And Running Tracker: Yes
  • Connectivity: Bluetooth®, ANT+, Wi-Fi, LTE 
  • Water Resistance: 5 ATM
  • Compatibility: Android, iOS
  • GPS: Yes
  • Battery Life: Up to 2 weeks
Reasons to Buy
  • Standalone watch
  • Multi-sports profiles
  • Friends and family can track your location
  • Allows sending and receiving text
Reasons to Avoid
  • Limited LTE functionality

The Garmin Forerunner 945 has been designed specifically for runners and outdoor sports enthusiasts, and it does a great job of accommodating them with all the necessary features that they might require during their long outdoor activities.

The watch comes equipped with multi-sports profiles and automatic workout detection that lets users switch to different workouts and activities while still monitoring their stats, saving them the time of manually selecting each exercise from the watch.

Since these features can drain any battery in a few hours, the Garmin Forerunner 945 comes prepared with and provides a battery backup of up to 2 weeks depending on the features and functionalities you end up using.

If you are going on long runs like a marathon or joining a wild activity like mountain biking or rock climbing, there will always be a risk of losing your way getting lost. But the Garmin Forerunner, lets you share your live location with your family using the optional LTE connectivity.

Although this connectivity is quite great and provides numerous benefits, it is still limited and does not allow the watch to act as a perfect standalone smartwatch. But there is no doubt that the smartwatch is a great pick for anyone wanting a long-lasting smartwatch.

If we had to pick out some of the most celebrated functions of the Garmin Forerunner 945, they will include the following:

  • Long battery life
  • Multi-sports profiles
  • LTE connectivity
  • Performance metrics
  • Wireless payments
  • GPS and route guidance

Bottom Line

If you are looking for a smartwatch that you have to charge once and then use it for weeks, then the Garmin Forerunner 945 is your best pick. The watch offers up to two weeks of battery backup. Hence, why it is among the best smartwatches with the longest battery life

Garmin Instinct Tactical Edition — Best Adventure Smartwatch

Specs

  • Dimensions: 45 x 45 x 15.3 mm
  • Weight: 52 g
  • Display: Monochrome, Sunlight-Visible, Transflective Memory-In-Pixel (MIP)
  • Resolution: 128 x 128 pixels
  • Connectivity: Bluetooth®, ANT+®
  • Water Resistance: 10 ATM
  • Compatibility: Android, iOS
  • GPS: Yes
  • Battery Life: Up to 14 days
Reasons to Buy
  • Sturdy and comfortable design
  • Accurate GPS positioning
  • Long-lasting battery
  • Training Plans
  • Navigation Support
Reasons to Avoid
  • Issues with sleep tracking
  • No storage for media

The Garmin smartwatches have always been renowned for their precise location tracking facilities and the Garmin Instinct Tactical Edition has just taken this a step further. The watch has been specifically created for outdoor activities, and it does the job perfectly.

The watch comes with a rugged look along with silicon straps that can be adjusted to the user’s wrist and are comfortable enough to allow the watch to be worn for hours even when doing strenuous activities like running, swimming, hiking, weightlifting, mountain climbing, and cycling.

As it comes with multiple sports modes, it also provides an automatic workout tracker that monitors and detects even the smallest amount of activity to provide users with an all-day activity report. The watch is also capable of keeping an eye on your health metrics as well.

Since the Garmin Instinct Tactical Edition has been designed for outdoor activities, it makes sure that it is alive when you need it the most. The watch boasts a battery that can last up to two weeks which should be more than enough for your adventure.

The only point where the Garmin Instinct Tactical Edition might be lacking is the absence of sleep tracking and storage for media, but it certainly makes up for it in other avenues. Some of the top-rated features offered by it are as follows:

  • Stealth Mode
  • JumpMaster Mode
  • Projected Waypoint
  • Dual-Format GPS
  • Night Mode Compatibility
  • ABC Sensors
  • TracBack Routing
  • Multi-GNSS Support
  • Wrist-Based Heart Rate
  • Built-in Sports Apps

Bottom Line

The Garmin Instinct Tactical Edition provides features that come handy on any outdoor adventure. The watch has been tested and provides standard military ruggedness along with a big battery backup which allows it to be among the best smartwatch with the longest battery life.

Amazfit GTS 2 — Best Lightweight Smartwatch

Specs

  • Dimensions: 42.8 x 35.6 x 9.7 mm
  • Weight: 24.7 g
  • Display: AMOLED
  • Resolution: 348 x 442 Pixels
  • Automatic Workout Tracker: Yes 
  • Connectivity: Bluetooth 5.0, Wi-Fi
  • Water Resistance: 5 ATM
  • Compatibility: Android, iOS
  • GPS: Yes
  • Battery Life: Up to 7 days
Reasons to Buy
  • Attractive display and design
  • A lot of options for fitness tracking
  • Optimized operating system
  • Bluetooth calling
Reasons to Avoid
  • Notification management can be improved

The Amazfit GTS 2 was introduced to the market as the successor of the previous successful GTS smartwatch. It came with some much-needed upgrades in terms of the display as well as the hardware functionalities.

The watch now comes with a beautiful AMOLED display along with an elegant aluminum and plastic watch case that allows it to provide a more premium look on the wrist. It has also added a new music control system, calling functionality, and voice assistance.

The watch provides the famous Amazfit BioTracker and multiple sports mode integrations that allow the watch to monitor and track all of your activities and after it is done recording them, you can also get a detailed report through its companion app.

It still hasn’t introduced remote camera control, which has been asked by a few users but nonetheless all of these functionalities along with a battery that can last up to a week, make it tough for other smartwatches at this price range.

These functions allow it to also be one of the best weight lifting smartwatches. Some of the most renowned attributes of the Amazfit GTS 2 comprise of the following:

  • Water-Resistant
  • 3 GB internal storage
  • Sleep Tracking
  • Ability to create custom watch faces
  • Voice Commands

Bottom Line

A week’s battery reserve in addition to all the health and fitness benefits make it one of the top choice when it comes to best smartwatches with longest battery lives. 

Fitbit Versa 3 — Best Beginners Smartwatch

Specs

  • Dimensions: 40.4 x 40.4 x 12.4 mm
  • Weight: 40 g
  • Display: AMOLED
  • Resolution: 300 x 300 pixels
  • Automatic Workout Tracker: Yes 
  • Connectivity: Bluetooth 5.0, Wi-Fi, NFC
  • Water Resistance: 5 ATM
  • Compatibility: Android, iOS
  • GPS: Yes
  • Battery Life: Up to 6 days
Reasons to Buy
  • Sleek and attractive design
  • Fast charging
  • Supports multiple third-party apps (Spotify, Amazon Alexa, Fitbit Pay)
Reasons to Avoid
  • Touch screen is laggy sometimes
  • Absence of stress tracking

The Fitbit Versa 3 is a more refined version of its predecessor the Versa 2 and this time it comes equipped with a GPS which all the previous Versa watches were lacking. This now enables and opens new opportunities for the watch which it utilizes tremendously.

Just like the other smartwatches with the integration of GPS, the Fitbit Versa 3 can also track your pace and distance while you are engaging in various sports and fitness activities such as running, jogging, swimming, cycling, and even hiking.

Besides this, it also provides additional utility to the users and allows them to use applications like Spotify for music streaming, Fitbit Pay for wireless payment transfers, and Amazon Alexa for as a voice assistant to execute various tasks on the smartwatch.

Since the watch is providing so many functionalities, it is apparent that it needs a big battery reserve to back it up. Well, worry not because the battery on the Fitbit Versa 3 can last you up to 6 days of standby time which is a lot.

Although some users have complained about the touch screen being a little laggy at times, it cannot be considered the opinion of the masses as most people have found this watch quite appealing. Some of the important functions of the Fitbit Versa 3 composed of the following:

  • Heart rate tracker
  • Active Zone Minutes
  • Built-in GPS

Bottom Line

The Fitbit Versa 3 is one of the best picks if you are on a tight budget and want a long list of functionalities. Features like GPS tracking and heart rate monitor along with almost a week of battery backup, help it be one of the best smartwatches with exceptionally long battery life.

Fitbit Sense — Best Meditation Smartwatch

Specs

  • Dimensions: 40.4 x 40.4 x 12.4 mm
  • Weight: 45.9 g
  • Display: AMOLED
  • Resolution: 300 x 300 pixels
  • Automatic Workout Tracker: Yes
  • Connectivity: Bluetooth v5.0, Wi-Fi, NFC
  • Water Resistance: 5 ATM
  • Compatibility: Android, iOS
  • GPS: Yes
  • Battery Life: Up to 6 days
Reasons to Buy
  • Preloaded ECG app
  • Long battery life
  • Innovative interface
  • Built-in GPS along with NFC
Reasons to Avoid
  • Can be laggy at times

The Fitbit Sense can be considered one of the most advanced Fitbits in the market as it comes after the Fitbit Versa series and brings a lot of new upgrades along with it. The watch puts your well-being and fitness into priority and becomes an integral part of your daily life. 

The reason for this is the functionality it brings to the table; the watch offers a lot of health-related features like stress and sleep monitoring but what makes it stand out amongst its competition is that it goes further than that and provides solutions to control things.

It offers users the tools that can help them keep their stress in check by providing daily meditation sessions along with mindfulness tutorials. Although it is a premium subscription, users can enjoy it for 6 months after purchasing a new Fitbit Sense smartwatch. 

The Fitbit Sense also does a great job at providing a great battery backup and can last up to 6 days which can easily withstand the amount of functionality in terms of fitness and health tracking it is bringing to the table. 

Even though some users have complained about the watch being laggy sometimes, it is certainly not something that can rule its credibility. Some of the most compelling functions that the Fitbit Sense brings to the table include: 

  • All-day Calorie burn
  • Daily Readiness score
  • EDA scan app
  • Heart rate monitor
  • Water-resistant
  • Active Zone Minutes
  • Body temperature scanner

Bottom Line

The Fitbit Sense is an all-around performer and delivers in every aspect that you need it to. It comes with great features for stress management along with a big battery backup which make it one of the best smartwatch with the longest battery life. 

TicWatch Pro 4G LTE Cellular — Best Cellular Smartwatch

Specs

  • Dimensions: 45.15 x 52.8 x 12.6 mm
  • Weight: 47.4 g
  • Display: AMOLED
  • Resolution: 400 x 400 px
  • Automatic Workout Tracker: Yes 
  • Connectivity: Bluetooth 4.0, Wi-Fi, 4G LTE
  • Water Resistance: IP68
  • Compatibility: Android, iOS
  • GPS: Yes
  • Battery Life: Up to 5 days
Reasons to Buy
  • Wireless payments
  • It comes with a unique dual display design
  • Accurate fitness and health tracking
  • Cellular and LTE connectivity are available
Reasons to Avoid
  • Some time stutters

The TicWatch Pro 4G LTE Cellular has been designed for people that want a smartwatch that could track their fitness and health activities while providing the ability to use the cellular connection at the same time.

The LTE connectivity opens new gates for the TicWatch Pro 4G LTE Cellular and allows it to execute functions like placing and receiving calls, and messages, streaming music, conducting wireless payments, and even downloading apps.

When it comes to fitness tracking, the watch comes equipped with GPS, GLONASS, and even Beidou satellite support which allow it to provide precise and accurate results no matter where you might be.

The battery on this device although not the best but provides a decent amount of time for all of your activities. Each time you charge the smartwatch, it can last you up to 5 days under certain conditions. These are the reason why it is one of the best smartwatches for teenagers.

Even though some users have complained about the watch stuttering sometimes, its price tag and list of functions make it hard to let go for most users. The TicWatch Pro 4G LTE Cellular brings the following functions along with it:

  • IP68 certified
  • Heart rate monitoring
  • Motion tracking
  • Cellular and 4G LTE connectivity
  • Google assistance
  • NFC payments
  • Long battery life

Bottom Line

The TicWatch Pro 4G LTE Cellular makes it to this list due to its up to almost a week-long battery and functions like LTE connectivity. Although not the best is definitely one of the best smartwatches with the longest battery life.

Comparison Table: Best Smartwatches With Extremely Long Battery Life

Let’s test the best smartwatches with exceptionally long battery life on a grand comparison table.







Products
Amazfit T-RexAmazfit Bip S
 
Withings Steel HRAmazfit GTS 2eGarmin Tactix Delta SolarGarmin Fenix 6X Pro SolarGarmin Forerunner 945
 
Garmin Instinct Tactical EditionAmazfit GTS 2Fitbit Versa 3Fitbit SenseTicWatch Pro 4G LTE Cellular
Dimensions47.7 x 47.7 x 13.5 mm42 x 35.3 x 11.4 mm36.3 x 36.3 x 13 mm42.8 x 35.6 x 9.8 mm51 x 51 x 14.9 mm51 x 51 x 14.9 mm44.4 x 44.4 x 13.9 mm45 x 45 x 15.3 mm42.8 x 35.6 x 9.7 mm40.4 x 40.4 x 12.4 mm40.4 x 40.4 x 12.4 mm45.15 x 52.8 x 12.6 mm
Weight59 g31 g29 g25 g97 g93 g49 g52 g24.7 g40 g45.9 g47.4 g
DisplayAMOLEDColor Transflective ScreenAnalogue & OLEDAMOLEDSunlight-Visible, (MIP)Sunlight-Visible, (MIP)Sunlight-Visible, (MIP)Monochrome, Sunlight-Visible, MIP)AMOLEDAMOLEDAMOLEDAMOLED
Resolution360 x 360 pixels176 x 176 pixels72 x 36 Pixels348 x 442 pixels280 x 280 pixels280 x 280 pixels240 x 240 pixels128 x 128 pixels348 x 442 Pixels300 x 300 pixels300 x 300 pixels400 x 400 px
Automatic Workout TrackerYesYesNoYesYesYesYesYesYesYesYesYes
ConnectivityBluetooth 5.0Bluetooth 5.0BluetoothBluetooth v5.0, NFCBluetooth, ANT+, Wi-FiBluetooth Smart, ANT+, Wi-FiBluetooth®, ANT+, Wi-Fi, LTE Bluetooth®, ANT+®Bluetooth 5.0, Wi-FiBluetooth 5.0, Wi-Fi, NFCBluetooth v5.0, Wi-Fi, NFCBluetooth 4.0, Wi-Fi, 4G LTE
CompatibilityAndroid, iOSAndroid, iOSAndroid, iOSAndroid, iOSAndroid, iOSAndroid, iOSAndroid, iOSAndroid, iOSAndroid, iOSAndroid, iOSAndroid, iOSAndroid, iOS
Battery LifeUp to 66 daysUp to 40 daysUp to 25 daysUp to 24 days Up to 21 days/24 days with solarUp to 21 days/24 days with solarUp to 2 weeksUp to 14 daysUp to 7 daysUp to 6 daysUp to 6 daysUp to 5 days
Water resistance10 ATM5 ATM5 ATM5 ATM10 ATM10 ATM5 ATM10 ATM5 ATM5 ATM5 ATMIP68
Dirt resistanceYesYesYesYesYesYesYesYesYesYesYesYes
Shock resistanceYesYesYesYesYesYesYesYesYesYesYesYes
GPSYesYesNoYesYesYesYesYesYesYesYesYes
Heart Rate TractionYesYesYesYesYesYesYesYesYesYesYesYes
Blood Oxygenation tractionYesYesNoYesYesYesYesYesYesYesYesYes
StopwatchYesYesNoYesYesYesYesYesYesYesYesYes
Price Check Price on AmazonCheck Price on AmazonCheck Price on AmazonCheck Price on AmazonCheck Price on AmazonCheck Price on AmazonCheck Price on AmazonCheck Price on AmazonCheck Price on AmazonCheck Price on AmazonCheck Price on AmazonCheck Price on Amazon

Buying Guide: Best Smartwatches With Exceptionally Long Battery Life?

Every watch on our list is unique and provides different features and functions, but some of them are more important and outweigh others. Let’s check them out one by one.

Battery Unit

Since you are buying a smartwatch that can last you for days, checking the battery unit and duration should be the first thing you should look into. Each smartwatch comes with different battery sizes, and its performance mostly relies on this. 

Since most smartwatches will offer a wide range of features, the bigger the battery unit you choose, the better it will be for you during your long outdoor activities. Besides this, it will also be able to take the toll of running a wide range of features.

Solar Charging

There are many times when you are not near your charging, or you don’t have any charging sockets around you. In such cases having the feature of solar charging on your wrists can help you out a lot.

It is especially true for people who are into outdoor sports such as mountain climbing, hiking, and biking, where you need your watch to function at all times. In some watches, the solar charging feature can allow it to go for days without needing any kind of charging.

Power Saving Modes

Smartwatch manufacturers have gotten smarter and now have started introducing different modes into smartwatches that tinker with their features and functionalities, which allow them to last for a long duration of time. 

So whenever you are buying a smartwatch, make sure it offers multiple power-saving modes as although it will limit the functionality of your smartwatch but it can increase its battery life by hours or days.

List of Functionalities 

Although functions and features are a great standpoint of any smartwatch, you need to be aware that it will drain your battery quicker as well. Therefore whenever you are buying a smartwatch or using it, make sure to limit and only use the functions that are really important.

You can easily check out which functions are using your battery the most by going into battery usage settings. The following are some of the things that can drain your smartwatch battery quickly:

  • Installing and storing unneeded applications
  • GPS, GLONASS, Galileo location tracking functionality
  • Body sensors like heart rate, blood oxygen, and ECG sensors 

Compatibility With Other Smart Devices

Even though most smartwatches provide compatibility with third-party devices like computers and smartphones. There are still some brands out there that don’t allow this to maintain user privacy and save the device from data breaches. 

This is why before purchasing any smartwatch, you should ensure that it is compatible with your existing smart devices. This will save you from wasting your money on something that you can’t even utilize to full of its abilities.

Did You Find What You Wanted?

We are aware of how hard it can be to find the best smartwatches with exceptionally long battery life in the market as it is brimming with different smartwatches. But we hope this article has helped shed some light on how you can find the best smartwatch for your requirements.

According to our assessment and research, we would say the following watches are the best smartwatches with the longest battery life.

Frequently Asked Questions

Which smartwatch lasts the longest?

According to our research and analysis, the Amazfit T-Rex easily comes out at the top when it comes to proving the longest battery duration. The watch is capable of providing up to 66 days of battery life after each charge.

Should I turn off my smartwatch at night?

Smartwatches offer features like sleep tracking, which allows them to monitor the quality of your sleep and then provide you with information related to it. But if you aren’t too keen on using it you should turn off your smartwatch during the night to conserve battery.

Is the Amazfit T-Rex worth it?

The Amazfit T-Rex enters the market with 12 different military-grade certifications, health benefits like BioTracker, and fitness monitoring for 12 different sports. On top of that, you can use the smartwatch for up to 66 days which makes it totally worth it.

How long should a smartwatch battery last?

Under normal conditions, a smartwatch battery is supposed to last you at least two or three years before wearing out. But in certain cases where the battery has been tempered with or overexerted, this time can reduce as well.

What percentage should I charge my smartwatch?

Although this number varies from smartwatch to smartwatch, it is generally believed that your smartwatch should at least be at more than 50% charge when you are about to head out so that it doesn’t die while you are in the middle of something.

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