Best Battery Life Smartwatch (2025 Update)

Introducing the Portable Car Jump Starter – HALO Bolt, the ideal solution for jump-starting your car or SUV. Whether you accidentally left your headlights on or you're lending a helping hand to someone in need, the HALO Bolt can get you back on the road in just a few minutes.

The HALO Bolt Compact also features a powerful LED floodlight that ensures you are not left in the dark during an emergency. This built-in floodlight is perfect for changing a tire on a dark road or finding something at the bottom of your purse.

Safety is a top priority with the HALO Bolt Compact. It has been designed with reverse polarity protection, short circuitry protection, and auto power-off features to keep you and your vehicle safe. The jumper cables feature spark protection to prevent any unwanted light shows.

With two additional USB-A ports, the HALO Bolt Compact can also charge more than just your vehicle. Keep your iPad charged during long trips and entertain your kids, or recharge your AirPods and tune out the world. Whatever your needs, the HALO Bolt Compact keeps all your devices charged and ready to go.

Using the HALO Bolt Compact is a breeze, thanks to its built-in safety checks and easy-to-read indicator lights. You'll find it easier to use than assembling furniture from a box.

The Amazfit GTR 3 smartwatch is the ultimate device for anyone looking for a watch that can do more than just tell time. With Alexa built-in, users can easily set an alarm, ask a question, or even get a translation. Even if one is out without internet access, the Amazfit GTR 3 smartwatch also has an offline voice assistant that allows users to engage in various operations like opening a health metric feature via voice command. The smartwatch's body material is made of aluminum alloy, and it supports applications like breath monitoring, continuous heart rate monitoring, GPS, voice control, and multisport tracking. The Amazfit GTR 3 smartwatch uses GPS as its connectivity technology and wireless comm standard Bluetooth.

One of the Amazfit GTR 3's most impressive features is its long-lasting battery life. Despite its slim and light body, the GTR 3 smartwatch can last for up to 21 days, making it perfect for people constantly on the go. Its refined elegance is only found in classic round watches, but it also integrates a powerful battery that can withstand any activity.

The Amazfit GTR 3 smartwatch has over 150 built-in sports modes, making it the ultimate device for both team players and individuals who prefer working out by themselves. The activity tracker can track metrics like steps, calories burned, and more. Additionally, it comes with a barometric altimeter which is perfect for keeping an eye on the altitude and air pressure of outdoor activities. The Amazfit GTR 3 smartwatch supports GPS, GLONASS, Galileo, BDS, and QZSS satellite navigation systems to accurately track routes.

With the Amazfit GTR 3 smart fitness watch, users can test their heart rate, blood-oxygen saturation, stress level, and breathing rate in one single tap, with results in as little as 45 seconds. Get the data needed and then get on with the day.

The Amazfit GTR 3 smartwatch offers over 100 stylish watch faces, all of which have a matching always-on display. Users can choose from 15 animated watch faces and prioritize preferred features with eight editable watch faces. Users can even upload their photos as the background image. With unprecedented visual clarity that reaches up to 326 ppi, the Amazfit GTR 3 smartwatch has a 1.39-inch truly clear and easy-to-read HD AMOLED display.

Finding what one needs on the Amazfit GTR 3 smartwatch's applications is easy thanks to the intuitive Zepp OS. With most animations reaching 60 FPS, along with a specifically tailored UI, the Zepp OS makes navigating to the feature one needs a seamless interaction that consumes less power. Experience a mini app framework with a rich ecosystem including 10 plus mini apps and even the Home Connect third-party app. The Amazfit GTR 3 smartwatch is a reliable and stylish device that offers everything one needs in a smartwatch.

This smartwatch is an advanced fitness tracker that is perfect for anyone looking to improve their health and fitness. It comes equipped with a heart rate monitor that provides real-time monitoring of your heart rate, allowing you to keep track of your cardiovascular health. Additionally, the watch can manually detect your SpO2 levels, providing you with even more valuable health information.

The watch also automatically tracks your sleep patterns, recording your light sleep, deep sleep, and awake time. It analyzes this information to help you improve your sleep quality and build a healthier lifestyle. With 14 sports modes, including walking, running, cycling, and more, you can keep track of your workouts throughout the day. The watch records your steps, distance, calories burned, and mileage, allowing you to monitor your progress and stay motivated.

The 5ATM waterproof rating means that this fitness smartwatch can be worn in any weather condition, even while swimming. After a full charge, the watch can be used continuously for up to 7 days, or up to 30 days in standby mode. This means that you can wear it all day and night without worrying about running out of battery.

Incoming call and SMS reminders ensure that you never miss any important calls or messages. You can even customize message notifications for specific applications, such as Facebook, Twitter, Instagram, Email, and Text Messages.

The 41mm (1.3") screen provides a variety of watch faces to choose from, or you can customize your own with your favorite photos. It also features a range of practical tools, including a pedometer, breath training, music control, alarm clock, stopwatch, adjustable brightness, calendar, and time display. The watch is compatible with Android OS 5.0 & iOS 10.0 & Bluetooth 4.0 or above, making it easy to connect to your smartphone and stay connected on the go.

Stay Connected with Ease – The Smart Watch with text and call capabilities allows users to effortlessly receive and make calls, ensuring they are always in touch with friends, family, and work. Additionally, users can easily access their smartphone's voice assistant by simply double tapping the screen.

Seamless Activation & Navigation – With six menu styles to choose from, activating the smartwatch's display is as simple as double touching or flipping the wrist. This intuitive navigation feature allows for effortless control over the smartwatch's functions, making it a breeze to use.

All-in-One Smart Watch – This smartwatch offers more than just call and text features. Users can also receive messages from smartphone apps, utilize NFC functions for tasks such as door opening, or even activate their voice assistant with a double touch on the screen. It truly is a versatile and comprehensive device.

Long-lasting Battery & Wireless Charging – Say goodbye to constant recharging. With 3 to 5 days of normal use and an impressive standby time of up to 30 days, this smartwatch keeps users connected without the hassle of frequent charging. Furthermore, the wireless charging feature eliminates the need for physical contact with electrodes, adding an extra layer of convenience.

Extra Convenience, Stylish Design – Not only does this Smart Watch offer exceptional functionality, but it also boasts a sleek and stylish design. With its modern aesthetic, it serves as a great accessory for any outfit, seamlessly blending into any fashion ensemble. Rest assured that this smartwatch provides both convenience and style.

Introducing the advanced and versatile Electrocardiogram (ECG) Watch and Heart Rate Monitor. This innovative device is designed to provide you with essential health insights and help you optimize your training. With its impressive range of features, the ECG Watch and Heart Rate Monitor is a must-have for anyone looking to improve their overall well-being.

One of the standout features of this watch is its ability to detect atrial fibrillation or normal heart rhythm in just 30 seconds through its ECG function. This means you can easily monitor your heart health and seek medical attention if necessary. Additionally, the sleep tracking feature provides you with a comprehensive analysis of your sleep cycles, duration, and wake-ups, allowing you to make necessary adjustments for a better night's rest.

The heart rate tracking feature of this watch is invaluable for fitness enthusiasts. It allows you to continuously monitor your heart rate during workouts, enabling you to optimize your training sessions and achieve your fitness goals more effectively. Furthermore, the watch also provides daily and overnight heart rate monitoring, giving you insights into your overall health and helping you make positive lifestyle changes.

With the wrist-based oximetry feature, you can now measure your oxygen saturation level (SpO2) on demand, providing you with important information about your respiratory health. This feature is especially valuable for those who engage in high-altitude activities or have respiratory conditions.

Designed with durability in mind, this watch is waterproof and suitable for swimming, with a water resistance rating of up to 50m. Whether you're a professional athlete or simply enjoy swimming as a form of exercise, this watch can withstand the demands of your active lifestyle.

In addition to its health tracking capabilities, the ECG Watch and Heart Rate Monitor offers a range of other features to enhance your fitness journey. It provides dedicated workout metrics, including fitness level estimation via VO₂max, connected GPS, elevation tracking, and step counting. This makes it an excellent companion for runners and fitness enthusiasts alike.

The watch's durable design features a combined heart rate and SpO2 sensor, 3 electrodes, an altimeter, and a sapphire glass, ensuring accurate and reliable performance. The PMOLED screen is clear and easy to read, and the rechargeable battery can last up to an impressive 30 days with normal use. Even in power reserve mode (time and activity tracking only), the battery can last an additional 20 days. The watch comes with a charging cable included for your convenience.

Compatibility is not an issue with this smartwatch. It effortlessly connects with both Android and Apple iOS smartphones via the free Healthmate App. Stay connected with text and call notifications, ensuring you never miss an important message or call.

To personalize your watch even further, check out the Withings Store for a wide range of stylish and changeable smartwatch bands. Whether you prefer a more masculine or feminine look, there is a wristband option available for everyone.

Introducing the Fitness Watch with Blood Pressure, Heart Rate, and Sleep Tracker, a smart watch designed to help you monitor and improve your overall health and well-being. This sleek and stylish watch is compatible with Android phones and features high-performance sports optical sensors to accurately track your heart rate, blood pressure, and sleep patterns. By analyzing your sleep quality, including deep sleep, light sleep, and wake-up times, this watch provides valuable insights into your health and helps you make informed decisions about your lifestyle.

In addition to its health tracking capabilities, this fitness watch also offers several practical features to enhance your daily life. It includes a sedentary reminder, which prompts you to get up and move if you've been sitting for too long. It also has a drinking water reminder to help you stay hydrated throughout the day. These features are especially useful for individuals who lead a busy and sedentary lifestyle.

If you're a fitness enthusiast, you'll appreciate the nine sports modes offered by this watch. Whether you're swimming, running, walking, cycling, skipping, playing basketball, badminton, or football, this watch accurately records your steps, calories burned, and distances covered. To track your routes during outdoor activities, simply connect the watch to the "Hero band III" app on your phone and access the GPS map feature.

Stay connected and never miss an important message or call with the message notification feature of this smartwatch. It alerts you to incoming messages from social media platforms like Facebook and Twitter, as well as text messages and phone calls. This feature is especially convenient for individuals who rely on their phones for communication throughout the day.

The smartwatch also includes several practical gadgets to help you stay organized and productive. It features a stopwatch and alarm clock, which are useful for timing workouts or keeping track of appointments and deadlines. Additionally, it provides weather forecasts for the upcoming days, allowing you to plan your activities accordingly.

With its customizable watch faces, this smartwatch allows you to personalize your device to suit your style. It comes with 100+ watch wallpapers, which can be easily switched using the "Hero Band III" app on your phone. You can even customize the watch face with your own photos, creating a truly unique and personalized look.

Designed with an IP68 waterproof rating, this fitness watch can be worn in the rain, during swimming workouts, or even in the shower without worry. Its durable construction ensures that it can withstand water exposure without compromising its functionality.

Equipped with a 200mAh battery, this smartwatch offers a long battery life. After being fully charged for approximately 2 hours, it can be used for up to 7 days and has a standby time of 30 days. This makes it a reliable companion for extended periods without needing frequent charging.

The smart and stylish Garmin Vivoactive 4S is an ideal companion for those who are always on the go. It is designed to fit wrists with a circumference of 125-190 mm, making it accessible to more people. With up to 6 days of battery life in smartwatch mode and up to 14 hours in GPS mode, you can keep track of your health without any interruptions.

The watch comes with more than 20 preloaded sports apps, including walking, running, cycling, swimming, golf, and mindful breathing, allowing you to find new ways to stay active. You can also use preloaded workouts or create your own in the Garmin Connect app (requires app on a compatible smartphone) for customized exercise routines.

The Garmin Vivoactive 4S makes it easy to stay connected without having to constantly check your phone. You can receive smart notifications for calls, texts, and social media alerts directly on your wrist (when paired with a compatible smartphone). Additionally, the watch features Garmin Pay contactless payments which allow you to leave your cash and cards at home and make purchases on the go (with a supported payment network).

Safety and tracking features are also included in this smartwatch. Incident detection (during select activities) and notification send your live location to designated contacts (when paired with a compatible smartphone) in case of emergency. The watch also features a bright color display that includes an always-on mode, making it easy to see everything clearly, even on the go.

The Garmin Vivoactive 4S takes your health seriously and allows you to monitor everything from your Body Battery energy levels, respiration, hydration, and stress to your menstrual cycle, estimated heart rate, and more. With its comprehensive approach to health tracking, this watch can help you achieve your fitness goals and live a healthier lifestyle.

The Bip 3 smartwatch is the ultimate device for individuals who want to live a healthier, more active life. With its large, 1.69" HD display, you can immerse yourself in the vibrant, colorful screen and see all your incoming calls and texts in expansive quality. The watch also offers 50+ customizable watch faces and widgets, allowing you to express yourself and personalize your watch with your own photos.

Supported by Bluetooth connectivity technology, the Bip 3 smartwatch comes with a number of features that can help you monitor your health. It can measure blood-oxygen saturation, monitor heart rate all day, and provide abnormal heart rate warnings, stress level tracking, sleep tracking, and recording of female menstrual periods.

The Bip 3 smartwatch is also equipped with a powerful battery that can last for up to two weeks with typical usage, making it the perfect companion for long trips. It's supr slim and light body means that you can pack something more fun than a charger into your case.

For fitness enthusiasts, the Bip 3 smartwatch offers 60+ sports modes, allowing you to track data for all your favorite sports, including walking, running, cycling, strength training, yoga, and free training. With its water-resistance grade of 5 ATM, you can even swim with your Bip 3 without worry.

The Bip 3 smartwatch can be synced with your phone, enabling you to receive SMS, phone call, and app notifications directly on your wrist. You can also control the music playback and camera of your phone, right from your watch. Additionally, the smartwatch offers Sedentary Reminders, Do Not Disturb, To-Do List, and weather forecast functions, as well as enabling the setting of alarms and stopwatches.

The Amazfit GTS 2 Mini Smart Watch is an innovative device that offers a wide range of features and functions to help you manage your daily routine. With built-in Amazon Alexa and GPS, you can easily ask questions, set alarms, check the weather, control your smart home devices, and more.

This smartwatch also features precise tracking of your daily steps, distance traveled, and calories burned thanks to its integrated GPS. With a water resistance depth of up to 50 meters, this fitness watch can resist any of your daily activities and can even be worn while swimming.

The Amazfit GTS 2 mini boasts a fully-optimized battery management system that provides up to 14 days of battery life. Get rid of the anxiety brought on by constant charging, and keep the energy flowing. The 220mAh battery is ready to power you through up to two weeks of activity.

This smartwatch also features over 70 built-in sports modes, allowing you to cover sports enthusiasts whether indoors or outdoors. With its all-round health management system, this smartwatch can provide heart rate monitoring, blood-oxygen saturation measurement, sleep monitoring, stress level monitoring, and female cycle tracking, as well as other functions to achieve total health management from your wrist. The PAI health assessment system also processes complex health data with an advanced algorithm to present your physical condition in a simple, single-value score.

The Amazfit GTS 2 mini adopts a borderless design, featuring carefully curved 2.5D glass to enhance your most fashionable outfits. With a light 19.5 g weight and a thickness of 8.95 mm (without the sensor base), this smartwatch is super light and thin. It also features a skin-friendly silicone strap and a vibrant 1.55-inch AMOLED screen for enhanced color and clarity.

This smartwatch also offers smart notifications and compatibility with iOS 10.0 & Android 5.0 or higher smartphones. Get an intelligent little pal to remind you of incoming calls, text messages, apps, calendars, alarm clocks, weather forecasts, and support control the music playback & camera on your smartphone.

Introducing the GTR 2e Smartwatch – a powerful and versatile wearable device that brings convenience and functionality to your wrist. With Amazon Alexa built-in, you can easily set alarms, check the weather, control your smart home devices, create shopping lists, and more, simply by raising your wrist and asking Alexa. What's even more impressive is that you can perform voice operations on your smartwatch even without internet access, thanks to the offline voice assistant feature. This means you can effortlessly turn on sports modes or open the heart rate monitoring function, all with just your voice.

One of the standout features of the GTR 2e is its exceptional battery life. With a more sophisticated circuit design and a high-capacity 471 mAh battery, this smartwatch offers an impressive 24 days of battery life. This means you can rely on it wherever your exercise takes you, without worrying about constantly recharging. Additionally, the GTR 2e is equipped with GPS plus GLONASS, ensuring precise tracking of your daily steps and distance traveled.

With 90 built-in sports modes, the GTR 2e is a true fitness companion. Simply activate one of the sports modes, and once you finish your workout, the fitness watch will generate a detailed analytical report to help you improve your exercise plan. What's even more convenient is the intelligent recognition of sports modes, eliminating the need to manually select the mode. Furthermore, with its 5 ATM water-resistance, you can wear the GTR 2e worry-free for daily use or even while swimming.

Taking care of your health is made effortless with the GTR 2e. The self-developed second-generation PPG bio-tracking optical sensor allows for 24-hour heart rate monitoring and provides elevated heart rate alerts. It also supports blood-oxygen saturation measurement, sleep quality monitoring, and stress level tracking. With the built-in PAI health assessment system, complex health and activity data are converted into a single score, giving you a more comprehensive understanding of your overall health.

Not only does the GTR 2e excel in functionality, but it also shines in terms of design. With its thin and light borderless design concept, this smartwatch features a large 1.39-inch AMOLED always-on display covered by 2.5D curved glass. This not only enhances the visual aesthetic but also provides a wider field of vision. Choose from dozens of free watch faces to personalize your smartwatch, or go for something truly unique by using your own favorite pictures.

The GTR 2e is more than just a fitness tracker. It offers a range of everyday features to keep you organized and informed. Stay on top of your personal agendas, receive notifications for incoming texts, calls, or app messages, and receive movement reminders when you've been sitting for too long. The smartwatch also tracks your events, offers a Do Not Disturb mode, stopwatch, weather forecast, and allows you to set alarms and timers. It truly is a versatile companion for your daily life.