Top 10 Best Smartwatches with Longer Battery Life

How embarrassing it is if your fitness tracker or smartwatch dies out of battery when you are in the middle of a marathon, cycling, or other workouts.

best smartwatches with longer battery life

Many people do not pay much attention to battery backup while they buy a smartwatch. As a result, they failed to track and monitor their physical activities without interruption for a long time.

To prevent these kinds of inconvenience, after long research and homework, I have created a list of top 10 best Smartwatches with Longer Battery Life in 2020.

All the products discussed here have long Battery Life of at least five days. By said this, the battery backup of a fitness tracker or smartwatch totally depends on your usage.

If you continuously use advanced features such as GPS, music, etc. drain the battery faster. In this article, I have also included the approximate battery life of a smartwatch on various modes. I hope this will help you in picking the right smartwatch with longer battery life.

If you do not want to recharge the battery, then you can check my previous article on fitness tracker and smartwatches with a replaceable battery.

Top 10 Best Smartwatches with Longer Battery Life.

Garmin Vivoactive 4S: 7 to 8 Days of Battery life

Garmin Vivoactive 4S

Touchscreen | Color Display | 5ATM | GPS | GLONASS | GALILEO | Altimeter |Compass | Gyroscope | Accelometer | Pulse Ox | Thermometer | Live Track | Sleep Tracking | Wifi | Bluetooth |

Garmin Vivoactive 4S is the top pick in the list of best smartwatches with longer battery life. It comes with many advanced features and functionalities like wrist-based heart rate monitoring, body energy meter, blood oxygen level monitoring, etc. to mention a few.

The Garmin Vivoactive comes in two sizes, Garmin Vivoactive 4S 40mm, and 45mm. A 5 mm difference is not easy to differentiate, and both the watches have to save features and specifications.

However, you will get some extra few hours of battery life if you go for the Vivoactive 45mm model. But you should remember that it will cost you a few more bucks.

Garmin Vivoactive 4S40mm45mm
Smartwatch Mode7 Days8 Days
GPS Mode with Music5 Hours6 Hours
GPS Mode without Music15 Hours18 Hours

As a leading smartwatch maker, Garmin devices come with exceptional safety features. Livetrack and incident detection is an example of this.

Livetrack and incident detection is an excellent feature in Garmin Smartwatches that can detect falls and alert the notify Emergency department with your real-time location.

  • Multiple watch face support.
  • Smart notifications.
  • Garmin Pay.
  • Female Health check.
  • Swimproof.
  • Free Marathon training by Garmin Coach.
  • The incident detection is available only for selected activities.

Amazfit GTR: 24 days of Battery

Amazfit GTR Review

Always on Display | 326 PPI AMOLED screen | GPS | GLONASS | Bluetooth | 

Amazfit GTR is the smartwatch with good battery life under $200 price range. You can enjoy unitruped activity tracking and smart features for a longer time with a single recharge. The battery takes only two hours to reach 100%. 

Amazfit GTR comes in two sizes; one is 47mm model and another one os 42mm model. The 47mm version comes with a 410mAh battery, whereas the 42 mm comes with a 195mAh battery. 

As Amazfit GTR 47mm got a giant battery, its battery life lasts for longer than the other model. Its battery can last for over 24 days with heart rate tracking, 90 minutes of GPS usage in a week, sleep tracking, etc. 

If you use the device without Bluetooth, heart rate monitoring, and minimized notifications, then the battery can last up to 74 days on a single recharge. 

Amazfit GTR comes with 12 sports modes to track your various activities such as swimming(open & Closed water), treadmill, running, cycling, etc. The BioTracker PPG in Amazfit GTR helps you to have a closer look at your heart rate during various workouts. 

  • Beautiful and lightweight design.
  • Longer battery life.
  • Smart notifications.
  • Huami-PAI™ Health Assessment System.
  • Sleep tracking.
  • Music control.
  • No music storage.
  • Limited watch faces.

Samsung Galaxy Watch Active 2: 3 to 5 Days

Samsung Galaxy Active 2

AMOLED | Tizen-based wearable OS 4.0 | Gyroscope | WiFi | Bluetooth | GLONASS | GALILEO | NFC | Accelerometer | Barometer | 

Samsung Galaxy Active 2 is a sleek and lightweight smartwatch that you can wear comfortably around your wrist. 

The Galaxy Active 2 can track various indoor and outdoor activities such as running, cycling, yoga, etc. It also comes with advanced heart rate monitors that can alert if your heart rate goes above or below the normal limit. Even though it can not be used as medical equipment, it gives you an overall idea about your cardiac health and overall health.

The Galaxy Active 2 can have a closer look at your various sleep stages. In the companion app, you can see in-depth data on your sleep metrics. It helps you to make the necessary changes in your sleep habits to improve your sleeping pattern.

The Galaxy Active 2 Bluetooth version is powered by a 247 mAh Li-Ion battery that can last up to five days on a single recharge.  

One of the great features I like in the Samsung Galaxy Watch series is its Quick battery boost. If you are using a Qi-compatible Samsung smartphone, then you can give a quick battery boost to your watch through wireless power-sharing technology.

It is also expected to be released ECG feature in Samsung Galaxy Active 2 in the upcoming firmware update globally. 

  • Wireless charging.
  • Multiple watch faces.
  • Wireless recharging.
  • Samsung Pay.
  • 50meter water-resistant.
  • In-built music storage.
  • Costly.
  • Limites iOS compatibility.

Garmin vívoactive 3: Five to Seven Days in Smartwatch Mode

Garmin Vivoactive 3

Touchscreen | Color display | 5ATM | GPS | GLONASS | GALILEO | Barometer | Altimeter | Compass | Accelometer | Bluetooth | Wifi | VO2 Max | HR Zones |

Garmin Vivoactive 3 is another best fitness tracker with seven days of battery life on a single full recharge. But as I said earlier, the battery life totally depends on your usage. 

For example, if you use the in-built GPS, the battery can only last up to 13 hours. The battery will drain even faster if you use GPS music continuously. But it is quite enough for most of us. 

It comes with preloaded 15+ activity modes to track various activities such as walking, running, swimming, etc. 

As it got an in-built GPS, you can use it for tracking both your indoor and outdoor activities. So it would be the right choice if you are looking for a smartwatch that tracks outdoor activities such as running, biking, hiking, etc.

It can store over 500+ songs in it, and you can listen to it just by connecting your watch to a wireless earphone or earbuds even without a smartphone. You will really like this feature if you are a person who does not want to carry a mobile phone along with you during various fitness activities. 

  • Heart rate monitoring.
  • Built-in Sports apps.
  • VO2 Level Monitoring.
  • Garmin Pay.
  • Swim tracking.
  • Sleep Tracking.
  • No display brightness adjustments.

PowerWatch 2 :Body Heat Powered Fitness Tracker Smart Watch

PowerWatch 2

Never Charge Again | GPS | 200-meter water resistance | Solar Charging | Smartphone notifications | Alam | Stopwatch | 

It is a fantastic smartwatch that charges the battery from your body heat or the sunlight. So you never need to connect it to a charger anymore. 

The advanced sensors in PowerWatch 2 can track heart rate, calories burned, sleep tracking, etc. very accurately during your workouts. 

As it got an in-built GPS sensor, you can use it to track your indoor and outdoor activities. For example, if you are a cycling enthusiast, then you can use this smartwatch to track your cycling activities along with your body metrics. 

Besides, this advanced “smart” smartwatch can track activities such as Running, Crossfit, and HIIT training. 

This durable smartwatch is made up of aircraft-grade aluminum and sapphire glass, and it can also be used to swim up to 200 meters underwater. 

Currently, PowerWatch 2 app supports third-party apps such as Google Fit, Starve, and Apple health. If you are a MyFitnesspal user, then you have to wait for a few more firmware updates for MyFitnesspal support. 

If you are specifically looking for a fitness tracker working with MyFitnesspal, then you can check our latest article on the best fitness tracker for MyFitnesspal

  • Durable.
  • 24/7 activity tracking.
  • Automatically recharges from the body temperature or sunlight.
  • Water resistance up to 200 meters.
  • Tracks body temperature.
  • Sleep Tracking.
  • No music storage or control.
  • No swim tracking.
  • No NFC support.

Garmin fēnix® 6X – Pro Solar Edition:Last Up to 21 Days with Solar

Pulse OX Sensor | Altimeter | Barometer | Accelometer | GPS | GLONASS| GALILEO | Compass | Thermometer | Bluetooth | ANT+ | WiFi | 

The fēnix® 6X – Pro Solar Edition is a Best Smartwatch with Long Battery Life for adventure lovers and sports personnel. Combined with solar charging, the fēnix® 6X – Pro Solar Edition offers fantastic battery backup even in GPS mode. 

Now let us have a closer look into the battery specs of the Garmin Fenix Solar Edition watch. This advanced smartwatch comes with multiple Power modes that help you optimize battery usage based on your activities. 

Battery Modes of Garmin fēnix® 6X – Pro Solar Edition

In Smartwatch mode, the battery can last up to 21 days, and the battery can further be extended up to 24 days if you use the smartwatch in sunlight for at least three hours in a day. When you use Garmin Fenix 6 S Solar in outdoors, it automatically charges the battery. 

Battery Saver Mode:

If you use it in Battery Saver Mode, you can get an extremely Long Battery Life of up to 80 days in a single full recharge. The battery life can be extended up to 120 days if you use the smartwatch outdoors for at least three hours a day. 

GPS Mode:

All the smartwatch drains the battery faster in GPS mode. But Garmin Fenix 6x Solar edition is an exception. In GPS mode, the battery can last for over 60 hours in normal mode and 66 hours with solar. 

But if you turn ON the GPS and Music together, then battery drains faster. In this case, the battery can last only up to 15 to 16 hours. 

Max Battery GPS Mode: 

In this mode, the battery will last for 120 hours, and it can be extended up to 140 hours if you use it in sunlight for at least three hours a day. 

Expedition GPS Activity: 

If you have the Garmin Fenix 6x Solar Edition on your wrist, then you can forget about charging your smartwatch. During the expedition, the battery can last for over 46 days, and it can be extended up to 56 days with solar.  

Additionally, it comes with pre-loaded sports apps that can track your various indoor and outdoor activities such as running, cycling, golfing, skiing, etc.

Besides, the Gamin Fenix 6x Solar edition is also compatible with the Garmin Foot pod that you can use as an ankle fitness tracker to get more details into your running metrics. 

The data collected by the Garmin Food pod is beneficial for you in improving your performance in the running track. 

  • Durable design.
  • Heart rate monitoring.
  • Ski Maps.
  • In-built Music.
  • Sleep tracking.
  • Over 41,000 golf course maps.
  • Turn-by-turn navigation maps.
  • Costly.

Garmin Forerunner 645: Six to Seven Days of Battery Life

Garmin Forerunner 645

GPS | GLONASS | GLONASS | Altimeter | Barometer | Compass | Gyroscope | Accelometer | Thermometer | Bluetooth | ANT+ | WiFi | LiveTrack | Move IQ | VO2 Max | 

Garmin Forerunner 645 is another smartwatch with music and GPS for runners. If you use it in smartwatch mode, then the battery can last up to one week on a single recharge. 

In GPS mode, the battery can last up to 14 hours. So you need to recharge it every day if you use GPS for more than 6-10 hours each day. 

Even though it has in-built music storage and offline playback, it will drain the battery in five hours if you use it with GPS. So make sure you do not use GPS and music together for a more extended period of time. 

Garmin Forerunner series is specially designed for runners, and it can give a detailed insight running dynamics. Assessing this data helps you to bring your running to the next level.

  • Heart rate monitoring.
  • Music Storage.
  • In-built GPS.
  • Garmin Pay.
  • VO2 Max.
  • Incident Detection.
  • Battery drains faster in GPS+ Music.
  • Costly.

Garmin Forerunner 935: Two Weeks of Battery Life

Garmin Forerunner 935

GPS | GLONASS | GLONASS | Altimeter | Barometer | Compass | Gyroscope | Accelometer | Thermometer | Bluetooth | ANT+ | WiFi | LiveTrack | Move IQ | VO2 Max | 

Forerunner 935 is another premium running smartwatch from the family of Garmin. Its case and bezel made with fiber-reinforced polymer, so it is lightweight and comfortably fits around your wrist. 

The Garmin Forerunner 935 has a longer battery life, but it lacs in-built music storage and Garmin Pay. So you can not leave your smartphone at home when you go running. 

If you want to go for a Garmin with music, then Garmin Vivoactive 3 with music would be the right choice under $300 price range. 

Even though it lacs these features, you can expect a longer battery life. In smartwatch mode, the battery can last for over two weeks in a single recharge. That is pretty long for a premium smartwatch that priced under $400. 

Also, in GPS with heart rate mode, the battery can last up to 24 hours. It is quite longer than Apple Watch Series 5. 

In UltracTrack mode, without heart rate, the battery can last for more than 60 hours on a single recharge. That is pretty impressive for those who do not want to use music or HR while they run. 

  • Lightweight and comfortable.
  • Sleep tracking.
  • Heart rate monitoring.
  • Swim tracking.
  • Point to point navigation map.
  • No in-built music storage.
  • No Garmin Pay.

Garmin Fenix 5X Sapphire: 12- 14 Days of Battery Life

Garmin Fenix 5X Sapphire

Alarm Clock | Timer | Stop Watch | GPS | GLONASS | GALILEO | Compass | Barometer | Gyroscope | Accelometer | Thermometer | Calander | Maps | Wifi | Bluetooth | LiveTrack | VO2 Max | HR Zones | 

The Garmin Fenix 5X Sapphire is a multi-sport smartwatch with a lot of smart features and color maps. The bezel and case are made up of stainless steel material, which is lightweight and comfortable to wear on your wrist. 

It has a premium design and advanced activity tracking features that help you improve your performance every day. It tracks and analyzes your running metrics in-depth and helps you become a perfect runner with proper training. 

In addition to that, it also tracks other activities such as swimming, walking, skiing, biking, cycling, etc. Besides, it is one of the best Smartwatch for Golfing with thousands of Golf maps around the globe. You can download the map from the Garmin Connect app. 

The battery life in Garmin Fenix 5X varies depends on its model and settings. In which fēnix® 5X

Slate Gray Sapphire with Black Band has longer battery life. 

Now let us have a look into the battery specifications of Garmin Fenix 5X. If you use it in smartwatch mode, the battery will stay up to 12 days, and in GPS with heart rate mode, it lasts up to 20 hours. 

Additionally, the battery can last for more than 35 hours in UltraTrack mode(Without Heart rate). 

  • Sleep tracking.
  • Swim tracking.
  • Custom watch faces.
  • Third-party app support.
  • Music Control.
  • It does not have music storage, but the Fenix 5 Plus has in-built music.
  • Costly.

Suunto 9 with Intelligent Battery Mode: 4 to 5 Days of Battery Life

Suunto 9

Bluetooth | GPS | GLONASS | GALILEO | QZSS | BEIDOU | Compass | Altieter | Weather | Heart rate sensor | 

The Suunto 9 is a multi-sport GPS smartwatch with intelligent battery modes, namely Performance, Endurance, and Ultra. This intelligent battery mode in Suunto 9 gives this smartwatch longer battery life of up to 120 hours. 

This advanced sports watch help you plan your next adventure and remind you to charge the watch for uninterrupted activity tracking. 

The Suunto 9 tracks a lot of activities such as treadmill, cycling, swimming, hiking, skiing, and much more. 

The bezel and case are made up of stainless steel, and Glass-fiber reinforced polyamide, respectively. That makes it durable to withstand tough conditions. You can use this smartwatch to track your swimming activities up to 100 meters underwater. 

  • Sleep tracking.
  • Heart rate monitoring.
  • Swim tracking.
  • Over 80+ sport modes.
  • Heart rate monitoring.
  • Music player & NFC.
  • The app is not good
  • Costly.

If you are on a tight budget then Amazfit GTR would be a good selection. If you are a professional runner, then Garmin fēnix® 6X – Pro Solar Edition is specifically for you. Its battery lets over 120 days.

I hope this article will be helpful for you in selecting Best Smartwatches with Longer Battery Life. If you have any further queries, then free to comment below or contact us through our social media channels.

  1. Which Fitbit has the longest battery life?

    Fitbit Charge 4 is the best fitness tracker with longest battery life. In normal mode, its battery can last up to one week.

  2. Which Samsung watch has the longest battery life?

    Samsung Galaxy series has the longest battery life compared with other Samsung smartwatches. You can also get a quick charge boost if you are using a Qi-compatible Samsung smartphone through wireless charging.

  3. Can I charge my smartwatch with any charger?

    No. You should use always use the original recharge for the longer battery life. Otherwise, it will adversely affect your smartwatch battery life.

  4. Can I charge my smartwatch with my phone?

    Yes. Samsung Galaxy watch can be charged from a Qi-compatible Samsung smartwatch through wireless charging.

  5. Does a smartwatch drain phone battery?

    Yes. Normally a small percentage of smartphone battery drained when you pair and sync a smartwatch with a smartphone through Bluetooth connectivity.

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