A smartwatch can help you avoid phone addiction and stay on top of your fitness game. However, most smartwatches need to be charged every night. That is partly why we have compiled a list of the best smartwatches with long battery life.
Amazfit Bip 3 Pro: Best Budget Buy
- GPS: Yes | Display : 1.69-inch Color Display
- Weight: 0.073 lbs (Without Strap) | Water Resistant: Yes, 5 ATM
- HR Monitor: Yes | Battery Backup: Upto 14 Days

Amazfit Bip 3 Pro
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Amazfit Bip 3 Pro is a superb entry-level smartwatch. To its credit, the device uses a 1.69-inch color display that can get reasonably bright. Plus, the wearable also comes with a slew of enticing features.
These include a SpO2 monitor and support for continuous HR tracking. The smartwatch can also track myriad activities, so you should get clear insights into the calories burned while swimming, running, walking, and more. Speaking of which, the watch is also water-resistant to up to 5 ATM.
What We Like
- Affordable
- Beefy battery backup
- Comes with SpO2 Monitor
What We Don’t Like
- Some users have reported syncing issues with the wearable
Amazfit T-Rex 2: Best for Battery Backup
- GPS: Yes | Display : 1.39-inch AMOLED Display
- Weight: 0.14 lbs (Without Strap) | Water Resistant: Yes, 10 ATM
- HR Monitor: Yes | Battery Backup: Upto 24 Days

Amazfit T-Rex 2
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If you’re looking for an affordable, rugged smartwatch that can go days off on a single charge, then you should check out the Amazfit T-Rex 2. The wearable in question comes with a 1.39-inch AMOLED display and supports Always-on functionality.
This wearable is super rugged and comes with MIL-STD-810G certification. Additionally, the watch is water resistant, so you can go swimming or kayaking with the device strapped to your wrist. That’s not all, as the T-Rex 2 can also track up to 150 different sports. It even allows buyers with a penchant for trekking to import routes.
What We Like
- Rugged
- Supports Six GNSS systems
- 24-day battery backup
What We Don’t Like
- Slightly heavy and chunky
Garmin Vivoactive 4: Best Value For Money
- GPS: Yes | Display : 1.3-inch AMOLED Display
- Weight: 0.11 lbs | Water Resistant: Yes, 5 ATM
- HR Monitor: Yes | Battery Backup: Upto 8 Days

Garmin Vivoactive 4
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As a result, you can download your favorite workout playlists, pair the watch to your Bluetooth headphones and leave your smartphone behind when you’re out for a run. It even ships with built-in GPS functionality. Add to that, the watch can track your sleep cycle, as well as your blood oxygen saturation levels.
What We Like
- Can install third-party applications
- Built-in storage for music
What We Don’t Like
- Battery life takes a massive hit in GPS mode
Garmin Instinct 2 Solar: Best Solar Powered Watch
- GPS: Yes | Display : Monochrome Transflective Display
- Weight: 0.174 lbs | Water Resistant: Yes, 10 ATM
- HR Monitor: Yes | Battery Backup: Unlimited

Garmin Instinct 2 Solar
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Right off the bat, you should know that the Garmin Instinct 2 Solar costs a pretty penny. That said, the device more than makes up for it with its impressive features. Most notably, the watch supports solar charging, so you don’t ever have to plug in the wearable.
Apart from this, Instinct 2 Solar comes with a transflective, monochrome display that offers a resolution of 176 x 176 pixels. For the uninitiated, a transflective screen is legible with and without backlighting. Consequently, you should be able to see the content on the screen even under harsh lighting. On the downside, the wearable doesn’t have a touchscreen display.
Polar Grit X Pro: Best Overall
- GPS: Yes | Display : 1.2-inch MIP Display
- Weight: 0.11 lbs | Water Resistant: Yes, Upto 10 ATM
- HR Monitor: Yes | Battery Backup: Upto 7 Days

Polar Grit X Pro
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If you’re looking for the ultimate fitness wearable, you’ll find plenty to like about the Polar Grit X Pro. The wearable comes with a plethora of features and sensors, including an altimeter, barometer, and magnetometer compass. Needless to say, the watch is a godsend for outdoorsy folks.
Speaking of the outdoors, you should know that the Grit X Pro is extremely rugged too. In fact, the wearable comes with sapphire glass layered over the display. The unit even comes with MIL-STD-810G accreditation. As such, it can hold its own in extreme weather conditions. As for the battery backup, the wearable can go up to seven days on a single charge.
What We Like
- Robust build quality
- An array of sensors to track different activities
What We Don’t Like
- Expensive