Based on reviews posted on popular review sites as well as from Whoop's website, Whoop performs very well in terms of battery performance relative to other fitness tracker brands.

The review site tomsguide.com gives Whoop excellent ratings for battery performance in a review posted on its website. From this review:

The Whoop’s battery life is advertised as 44 hours. I found this to be accurate, as it would die if I didn’t charge it every other day. I liked that I could charge it during the day while it was on my wrist and I was at work. That way, I didn’t have to worry about missing a workout or sleep readings just to recharge it.

The review site producthunt.com gives Whoop excellent ratings for battery performance in a review posted on its website. Here's a brief quote from this review:

I think WHOOP has built one of the most interesting models in consumer hardware. Last year, they switched to a subscription membership model ($30/mo), which includes the hardware, analytics, and community. From a hardware standpoint, I've loved their approach of no screens and 100% wearable time with their battery pack. With the new strap, you get a 5-day battery life too.

Learn more at the company's website.

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— reviewed Whoop on August 5, 2019, Read all 2 battery life reviews.

Based on reviews posted on popular review sites as well as from Bellabeat Leaf Urban Jewelry Health Tracker's website, Bellabeat Leaf Urban Jewelry Health Tracker performs very well in terms of battery performance relative to other fitness tracker brands.

The review site smartgeekwrist.com gives Bellabeat Leaf Urban Jewelry Health Tracker excellent ratings for battery performance in a review posted on its website. Specifically, this reviewer pointed out the following:

The best part of it is that you do not have to charge it. It comes with a removable coin cell battery that can keep the device charged for up to 6 months.

The review site amazon.com gives Bellabeat Leaf Urban Jewelry Health Tracker excellent ratings for battery performance in a review posted on its website. From this review:

I am obsessed with the fact that I literally never have to take it off, not even for showering, (well for the 6 month lifespan of the battery).

The review site macrumors.com gives Bellabeat Leaf Urban Jewelry Health Tracker excellent ratings for battery performance in a review posted on its website. Here's a brief quote from this review:

Bellabeat says the battery lasts for approximately six months, but after two months with the Leaf, my battery is still showing up at 100 percent.

Learn more at the company's website.

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— reviewed Bellabeat on February 16, 2020, Read all 2 battery life reviews.

Based on reviews posted on popular review sites as well as from Polar A370 Fitness Tracker's website, Polar A370 Fitness Tracker performs very well in terms of battery performance relative to other fitness tracker brands.

The review site techradar.com gives Polar A370 Fitness Tracker excellent ratings for battery performance in a review posted on its website. Specifically, this reviewer pointed out the following:

2-day battery with everything switched on and 3-day battery without phone notifications

The review site runnerclick.com gives Polar A370 Fitness Tracker excellent ratings for battery performance in a review posted on its website. From this review:

The rechargeable battery is meant to last up to 4 days depending on how you're using it.

Learn more at the company's website.

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— reviewed Polar on February 13, 2020, Read all 2 battery life reviews.

Based on reviews posted on popular review sites as well as from Polar Vantage V's website, Polar Vantage V performs very well in terms of battery performance relative to other fitness tracker brands.

The review site techradar.com gives Polar Vantage V excellent ratings for battery performance in a review posted on its website. Here's a brief quote from this review:

The Polar Vantage V claims an ultra-long battery life with up to 40 hours of continuous training using the optical heart rate and GPS tracking.

The review site t3.com gives Polar Vantage V excellent ratings for battery performance in a review posted on its website. Here's a brief quote from this review:

Great battery life

The review site zdnet.com gives Polar Vantage V excellent ratings for battery performance in a review posted on its website. Here's a brief quote from this review:

Battery life: 40 hours with GPS and heart rate enabled, 320mAh battery

Learn more at the company's website.

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— reviewed Polar on February 13, 2020, Read all 2 battery life reviews.

Based on reviews posted on popular review sites as well as from Letsfit Fitness Tracker's website, Letsfit Fitness Tracker performs very well in terms of battery performance relative to other fitness tracker brands.

The review site thereviewindex.com gives Letsfit Fitness Tracker excellent ratings for battery performance in a review posted on its website. From this review:

The quality is very good, has great battery life where it last for days and the steps seems to be accurate when I compared with my wife Fitbit Versa.

The review site myhelpfulhints.co.uk gives Letsfit Fitness Tracker excellent ratings for battery performance in a review posted on its website. Specifically, this reviewer pointed out the following:

You get great features including; remote camera control, sedentary alerts, cable free charging, and a long-lasting battery life.

One reviewer on verywellfit.com said Letsfit Fitness Tracker performs well on battery performance relative to its peers. You can read the full review here. Specifically, this reviewer pointed out the following:

After wearing on and off for more than a week, the battery was still almost half full, so I think most users will get plenty of wear time before needing to recharge it.

Learn more at the company's website.

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— reviewed Letsfit on February 17, 2020, Read all 2 battery life reviews.

Based on reviews posted on popular review sites as well as from Lintelek Fitness Tracker's website, Lintelek Fitness Tracker performs very well in terms of battery performance relative to other fitness tracker brands.

One reviewer on mygymproducts.com said Lintelek Fitness Tracker performs well on battery performance relative to its peers. You can read the full review here. From this review:

The battery stays charged for many days so you don’t have to worry to charge it every day or night.

The review site amazon.com gives Lintelek Fitness Tracker excellent ratings for battery performance in a review posted on its website. Here's a brief quote from this review:

I love my new Lintelek Fitness tracker ! It has so many uses and the battery life is awesome ! I put it to charge Monday and its Wednesday and I still have half battery life .

One reviewer on dontwasteyourmoney.com said Lintelek Fitness Tracker performs well on battery performance relative to its peers. You can read the full review here. Here's a brief quote from this review:

The battery life of different trackers varies based on the activities tracked, but some can last up to five days between charges.

Learn more at the company's website.

You can also check out the top 10 fitness wearable companies for battery performance, or the overall best-performing fitness tracker companies on our main review grid.

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— reviewed Lintelek on February 17, 2020, Read all 2 battery life reviews.

Based on reviews posted on popular review sites as well as from Runme Fitness Tracker's website, Runme Fitness Tracker performs very well in terms of battery performance relative to other fitness tracker brands.

The review site amazon.com gives Runme Fitness Tracker excellent ratings for battery performance in a review posted on its website. Specifically, this reviewer pointed out the following:

Lastly about one another important factor… battery life. After a full charge, it's been two days and battery is still showing at 75%. Love it!

Learn more at the company's website.

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— reviewed Runme on February 16, 2020, Read all 2 battery life reviews.

Based on reviews posted on popular review sites as well as from MorePro V10 Waterproof Health Tracker's website, MorePro V10 Waterproof Health Tracker performs very well in terms of battery performance relative to other fitness tracker brands.

Based on information published by MorePro V10 Waterproof Health Tracker, they have excellent support for battery performance on a page posted on their website. Specifically, their website provides the following information:

This MorePro health tracker offers a great variety of actually useful functions in a great small convenient package. Compared to other similarly priced fitness trackers I've used before, this one is much better. The display is vertically positioned so it's easier to read on my wrist. The bands have a soft matte touch feel to it and are very durable and scratch resistant. Wrist bands are also detachable, giving access to the charging connector, and it plugs directly into a USB port to charge, no need to mess with a cable or a flap that covers the charging port like other fitness trackers. Battery life is great, generally last almost a week with majority of the day connected through Bluetooth. Fully charged in an hour or so. The H band app on smartphone is needed for more functionalities on the tracker and keeping data records, like sleep tracking, calculating calories burnt and distance traveled based on my height, weight and age. Even without smartphone connection, this fitness tracker itself can still tell date and time, daily steps, and measure my heart beat, which are all fairly accurate. Overall, I'd recommend MorePro fitness tracker for health conscious and active exercisers on a budget.

Learn more at the company's website.

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— reviewed MorePro on February 13, 2020, Read all 2 battery life reviews.

Based on reviews posted on popular review sites as well as from MorePro X Core Fitness Tracker's website, MorePro X Core Fitness Tracker performs very well in terms of battery performance relative to other fitness tracker brands.

Based on information published by MorePro X Core Fitness Tracker, they have excellent support for battery performance on a page posted on their website. Specifically, their website provides the following information:

Real-time Heart Rate and Blood Pressure: Built-in AD and 3-axis acceleration motion sensor. Monitors heart rate, allowing you to adjust the intensity of your workout. Tracks your blood pressure in every moment, more sensitive and accurate Long-lasting Battery and USB Charging: Charge the battery for about 1.5 hour from the USB connection and stay work up to 5-7 days standby time. Just pull it out and plug in. Long battery life, healthy living, easy to use by gesture control.

Learn more at the company's website.

You can also check out the top 10 fitness tracker brands for battery performance, or the overall best-performing fitness tracker brands on our main review grid.

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— reviewed MorePro on February 12, 2020, Read all 2 battery life reviews.

Based on reviews posted on popular review sites as well as from FITFORT Fitness Tracker's website, FITFORT Fitness Tracker performs very well in terms of battery performance relative to other fitness tracker brands.

The review site gearsholic.co.uk gives FITFORT Fitness Tracker excellent ratings for battery performance in a review posted on its website. Here's a brief quote from this review:

The watch does the occupation trim and compact so 10/10 but the product itself amazingbattery on one particular charge lasted above a 7 days and was billed right away upcoming to my bedside.

One reviewer on frumcare.com said FITFORT Fitness Tracker performs well on battery performance relative to its peers. You can read the full review here. Specifically, this reviewer pointed out the following:

Specifications Bluetooth Version: Bluetooth 4.0 Bluetooth Transmission Distance: 10 Meters (32.8 feet) Screen size: 0.96 inch Screen type: LCD Battery type: Li Battery Battery capacity: 90mAh Working time: 7 days Charging method: USB charging Charging time: 1-2 hours Highlight Features

The review site amazon.com gives FITFORT Fitness Tracker excellent ratings for battery performance in a review posted on its website. From this review:

With a long lasting battery, and very accurate readings theres no reason to even think about buying a different kind.

Learn more at the company's website.

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— reviewed Fitfort on February 16, 2020, Read all 2 battery life reviews.

Based on reviews posted on popular review sites as well as from L8star Fitness Tracker's website, L8star Fitness Tracker performs very well in terms of battery performance relative to other fitness tracker brands.

The review site amazon.com gives L8star Fitness Tracker excellent ratings for battery performance in a review posted on its website. Specifically, this reviewer pointed out the following:

This is a very good watch it holds a battery life for almost 2 weeks, step counter is extremely accurate the heart rate monitor is helpful; I really love this watch.

The review site topmostreviews.com gives L8star Fitness Tracker excellent ratings for battery performance in a review posted on its website. Specifically, this reviewer pointed out the following:

The battery life is excellent

One reviewer on trustorereview.com said L8star Fitness Tracker performs well on battery performance relative to its peers. You can read the full review here. From this review:

Charges fast and has a good battery life.

Learn more at the company's website.

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— reviewed L8star on February 17, 2020, Read all 2 battery life reviews.

Based on reviews posted on popular review sites as well as from Fitpolo Fitness Tracker's website, Fitpolo Fitness Tracker performs very well in terms of battery performance relative to other fitness tracker brands.

The review site walkjogrun.net gives Fitpolo Fitness Tracker excellent ratings for battery performance in a review posted on its website. Specifically, this reviewer pointed out the following:

with full charge, you can get anywhere between 3 to 10 days before you'll have to charge it again.

Learn more at the company's website.

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— reviewed Fitpolo on February 17, 2020, Read all 2 battery life reviews.

Based on reviews posted on popular review sites as well as from Fitbit Charge's website, Fitbit Charge performs very well in terms of battery performance relative to other fitness tracker brands.

The review site trustedreviews.com gives Fitbit Charge excellent ratings for battery performance in a review posted on its website. From this review:

On the battery front, its nice to some improvements even if its not as radical as offering the same six months as the Fitbit Zip. Fitbit’s trackers have historically performed better than the claimed battery life, at least by a few extra days. The Charge promises 7 to 10 days and wearing it continuously using the stopwatch features and regularly checking progress it’s definitely nearer the latter. Disabling alarms and reducing interaction with the display will certainly help preserve the battery life.

The review site runnerclick.com gives Fitbit Charge excellent ratings for battery performance in a review posted on its website. Specifically, this reviewer pointed out the following:

This smart fitness watch has a long lasting battery. It lasts longer than competing trackers with a battery life of 7-10 days, depending on how much you use it.

Learn more at the company's website.

You can also check out the top 10 fitness wearable companies for battery performance, or the overall best-performing fitness tracker brands on our main review grid.

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— reviewed Fitbit on September 25, 2019, Read all 4 battery life reviews.

Based on reviews posted on popular review sites as well as from Fitbit Ace 2's website, Fitbit Ace 2 performs very well in terms of battery performance relative to other kids smartwatch brands.

The review site techadvisor.co.uk gives Fitbit Ace 2 excellent ratings for battery performance in a review posted on its website. Here's a brief quote from this review:

Battery life is around 5 days, which is reasonable, and fairly typical for the Fitbit range.

The review site digitaltrends.com gives Fitbit Ace 2 excellent ratings for battery performance in a review posted on its website. Here's a brief quote from this review:

The Ace 2 has a promised five days of battery life, and I found the estimate to be close to real-world use, but not exactly five days. My kids preferred the animated displays, so battery life was often three to four days. Still, the encouragement they received from the animations was worth the tradeoff.

Learn more at the company's website.

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— reviewed Fitbit on September 24, 2019, Read all 2 battery life reviews.

Based on reviews posted on popular review sites as well as from Fitbit Inspire's website, Fitbit Inspire performs very well in terms of battery performance relative to other fitness tracker brands.

The review site techadvisor.co.uk gives Fitbit Inspire excellent ratings for battery performance in a review posted on its website. Here's a brief quote from this review:

Battery-wise, Fitbit claims the Inspire should last five days, and that was borne out, almost exactly, in our testing. In fact it died after five days and one hour of moderate use.

The review site trustedreviews.com gives Fitbit Inspire excellent ratings for battery performance in a review posted on its website. Here's a brief quote from this review:

Fitbit rates the battery at five days, which felt about right during my testing. I’d have expected the Inspire to last a little longer than the Inspire HR considering the lack of HRM, but they’re identical in terms of stamina.

Based on a review posted on digitaltrends.com, Fitbit Inspire was rated as fairly average for battery performance relative to competing fitness tracker brands. Check out the entire review here. Here's a brief quote from this review:

Fitbit claims the Inspire HR will deliver up to 5 days of battery life but my experience was not as optimistic. I averaged three days of juice when using the tracker for daily one-hour workouts with connected GPS, frequent incoming alerts, 24/7 heart monitoring, and overnight sleep tracking.

Learn more at the company's website.

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— reviewed Fitbit on September 24, 2019, Read all 4 battery life reviews.

Based on reviews posted on popular review sites as well as from Fitbit Ionic's website, Fitbit Ionic performs very well in terms of battery performance relative to other fitness tracker brands.

Based on a review posted on techadvisor.co.uk, Fitbit Ionic was rated as fairly average for battery performance relative to competing fitness tracker brands. Check out the entire review here. Here's a brief quote from this review:

When it comes to battery life, the Ionic should last for four days on one charge, which is more than some of its rivals. However, when you start using GPS you’re looking at a dramatic loss in battery life, down to 10 hours if the GPS is on all the time, which is something to keep in mind. If you also have your screen set to always on during a run, Ionic will last just five hours - that said, if you've been running for five hours you too deserve a rest!

The review site tomsguide.com gives Fitbit Ionic excellent ratings for battery performance in a review posted on its website. Here's a brief quote from this review:

Other smartwatches offer sleep-tracking apps in their app stores, but few have the battery life of the Ionic. My device lasted about three days on a charge, and that included 30-45 minutes of daily GPS use in the Exercise app and Pandora music playback. Fitbit promises the Ionic will last up to four days on a charge, or 10 hours with continuous GPS use. I have to charge my Apple Watch Series 2 every day after putting it through the same amount of exercise tracking and music playback.

The review site cnet.com gives Fitbit Ionic excellent ratings for battery performance in a review posted on its website. From this review:

Fitbit Ionic has a better-than-most-smartwatches four-day battery life, while still having always-on heart rate and a comfy fit. It has features galore: waterproofing, GPS and on-wrist mobile payments, plus new watch faces and a growing app store. It works with iOS and Android, and has an excellent phone app and social community.

Learn more at the company's website.

You can also check out the top 10 activity tracker brands for battery performance, or the overall best-performing fitness wearable companies on our main review grid.

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— reviewed Fitbit on September 24, 2019, Read all 2 battery life reviews.

Based on reviews posted on popular review sites as well as from Fitbit Alta's website, Fitbit Alta performs very well in terms of battery performance relative to other fitness tracker brands.

The review site runnerclick.com gives Fitbit Alta excellent ratings for battery performance in a review posted on its website. Specifically, this reviewer pointed out the following:

One of the exceptional aspects of the Fitbit Alta is its battery life. To get a full charge takes just 2-3 hours, and power last for up to five days (or longer, according to many users).

The review site theverge.com gives Fitbit Alta excellent ratings for battery performance in a review posted on its website. From this review:

Fitbit has set battery-life expectations for the Alta at five days per charge.

One reviewer on tomsguide.com said Fitbit Alta performs well on battery performance relative to its peers. You can read the full review here. Here's a brief quote from this review:

Fitbit says the Alta will last five full days and nights on a charge, and that claim held up during my testing. I charged it up to 100 percent on Wednesday afternoon, and used the wearable about every hour or so. By Monday afternoon, the Alta's in-app battery indicator showed that the wearable had about a third of the battery left. That's longer than the five days promised.

Learn more at the company's website.

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— reviewed Fitbit on September 24, 2019, Read all 3 battery life reviews.

Based on reviews posted on popular review sites as well as from Whoop's website, Whoop performs very well in terms of battery performance relative to other .

One reviewer on cnet.com said Whoop performs well on battery performance relative to its peers. You can read the full review here. Here's a brief quote from this review:

Whoop lasts for five days on a single charge.

One reviewer on medium.com said Whoop performs well on battery performance relative to its peers. You can read the full review here. From this review:

Has a good battery life of 5 days.

Learn more at the company's website.

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— reviewed Whoop on January 15, 2021, Read all 2 battery life reviews.

Based on reviews posted on popular review sites as well as from Bellabeat Leaf Nature Smart Jewelry Health Tracker's website, Bellabeat Leaf Nature Smart Jewelry Health Tracker performs very well in terms of battery performance relative to other fitness tracker brands.

Based on information pulled from Bellabeat Leaf Nature Smart Jewelry Health Tracker's website, Bellabeat Leaf Nature Smart Jewelry Health Tracker performs well on battery performance relative to its peers. You can read additional information here. From this page:

One of the most appealing features of the Leaf is that it requires no charging. The battery lasts up to 6 months and is easy to replace with a standard CR2032 battery. This means that you never have to worry about charging, and a quick replacement (with the included screwdriver) is super simple. However, because of this, you do have to sync the Leaf manually. The memory lasts up to 14 days, so you’ll be fine if you can’t sync it for a few days. It’s easiest to sync each day to update anything such as sleep inaccuracies or changing activities. A common complaint about the Leaf is that the sync is a bit tricky. It can take a bit to figure out, and the device itself can be a little finicky. Fortunately, once you get the hang of it, it’s quick and painless to sync the Leaf. Plus, Bellabeat has fantastic customer service, so if you need help at any time, they are there for you.

From information posted on Bellabeat Leaf Nature Smart Jewelry Health Tracker's website, Bellabeat Leaf Nature Smart Jewelry Health Tracker appear to have average support for battery performance relative to competing fitness tracker brands. Check out the page here. From this page:

The battery should last you six months, and it’s replaceable. The first wave of Leafs went out without the tiny screwdriver you need to change the battery but now every Leaf comes with one. The battery is cheap and easy to buy online, so you don’t have to worry that it’s something obscure. There’s also no charging involved, which is a bonus.

From information posted on Bellabeat Leaf Nature Smart Jewelry Health Tracker's website, Bellabeat Leaf Nature Smart Jewelry Health Tracker appear to have average support for battery performance relative to competing fitness tracker brands. Check out the page here. Here's a snippet from the information published on their site:

The best part of it is that you do not have to charge it. It comes with a removable coin cell battery that can keep the device charged for up to 6 months. You will be given a tool for removing the battery so you can easily buy and change it when it dies.

Learn more at the company's website.

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— reviewed Bellabeat on February 13, 2020, Read all 2 battery life reviews.

Based on reviews posted on popular review sites as well as from Fitbit Versa's website, Fitbit Versa performs very well in terms of battery performance relative to other fitness tracker brands.

The review site trustedreviews.com gives Fitbit Versa excellent ratings for battery performance in a review posted on its website. Specifically, this reviewer pointed out the following:

The Versa’s stamina truly puts other smartwatches in the shade. Fitbit says you can expect the watch to last for at least four days off a single charge, but real-life results show that to be a conservative estimate. In testing, the Versa comfortably kept going beyond four days. When it was connected to my phone via Bluetooth, it lasted five days; when it was untethered, it managed six days. What’s more, if you want to extend that even further, you could set the screen’s brightness to dim rather than automatic or bright.

Learn more at the company's website.

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— reviewed Fitbit on September 24, 2019, Read all 7 battery life reviews.

Based on reviews posted on popular review sites as well as from Fitbit Flex's website, Fitbit Flex performs very well in terms of battery performance relative to other fitness tracker brands.

The review site trustedreviews.com gives Fitbit Flex excellent ratings for battery performance in a review posted on its website. From this review:

The relatively low power consumption means the Fitbit Flex can last 4-5 days off a charge, after which you’ll have to plug it into a computer for a juice-up. A little USB charging cradle is included.

Learn more at the company's website.

You can also check out the top 10 fitness wearable companies for battery performance, or the overall best-performing fitness tracker brands on our main review grid.

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— reviewed Fitbit on September 24, 2019, Read all 3 battery life reviews.

Based on reviews posted on popular review sites as well as from Fitbit Versa 2's website, Fitbit Versa 2 performs very well in terms of battery performance relative to other fitness tracker brands.

One reviewer on theverge.com said Fitbit Versa 2 performs well on battery performance relative to its peers. You can read the full review here. Specifically, this reviewer pointed out the following:

Week-long battery life

One reviewer on techradar.com said Fitbit Versa 2 performs well on battery performance relative to its peers. You can read the full review here. Here's a brief quote from this review:

Good battery life

One reviewer on cnet.com said Fitbit Versa 2 performs well on battery performance relative to its peers. You can read the full review here. From this review:

The Fitbit Versa 2 battery lasts for days and days.

Learn more at the company's website.

You can also check out the top 10 fitness tracker brands for battery performance, or the overall best-performing fitness tracker brands on our main review grid.

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— reviewed Fitbit on January 11, 2021, Read all 2 battery life reviews.

Based on reviews posted on popular review sites as well as from Fitbit Inspire 2's website, Fitbit Inspire 2 performs very well in terms of battery performance relative to other fitness tracker brands.

One reviewer on techgearlab.com said Fitbit Inspire 2 performs well on battery performance relative to its peers. You can read the full review here. Here's a brief quote from this review:

The Inspire 2 has an above average battery life, lasting for a claimed 10 days depending on the usage.

One reviewer on techradar.com said Fitbit Inspire 2 performs well on battery performance relative to its peers. You can read the full review here. Here's a brief quote from this review:

Battery life is solid, lasting up to 10 days between charges if you go easy on it.

One reviewer on androidauthority.com said Fitbit Inspire 2 performs well on battery performance relative to its peers. You can read the full review here. From this review:

Improved battery life: The Fitbit Inspire 2 can last up to 10 days on a single charge, while the HR could only last around five.

Learn more at the company's website.

You can also check out the top 10 activity tracker brands for battery performance, or the overall best-performing fitness tracker brands on our main review grid.

Looking for Fitbit Inspire 2 coupons? Check out the latest deals here. Want more reviews on Fitbit Inspire 2? Read a more in-depth review of Fitbit Inspire 2 on this page.

— reviewed Fitbit on January 11, 2021, Read all 2 battery life reviews.

Based on ratings published by trusted online review sites as well as information from MorePro ECG Fitness Tracker's website, MorePro ECG Fitness Tracker performs average to better than average in terms of battery performance compared to other activity tracker companies.

From information posted on MorePro ECG Fitness Tracker's website, MorePro ECG Fitness Tracker appear to have average support for battery performance relative to competing fitness tracker brands. Check out the page here. Here's a snippet from the information published on their site:

The battery life is great! The battery life of a wearable is very important to me. I don’t like to have to charge a device every single day. It’s hard enough sometimes making sure to charge my phone! I love that the battery life on this MorePro can last up to 5 days! Keep in mind the battery life will also depend on what functions and tracking options you set up.

Learn more at the company's website.

You can also check out the top 10 fitness tracker brands for battery performance, or the overall best-performing fitness tracker brands on our main review grid.

Looking for MorePro ECG Fitness Tracker coupons? Check out the latest deals here. Want more reviews on MorePro ECG Fitness Tracker? Read a more in-depth review of MorePro ECG Fitness Tracker on this page.

— reviewed MorePro on February 13, 2020, Read all 2 battery life reviews.

Based on ratings published by trusted online review sites as well as information from Bellabeat Spring's website, Bellabeat Spring performs average to better than average in terms of battery performance compared to other connected water bottle brands.

Based on a review posted on digitaltrends.com, Bellabeat Spring was rated as fairly average for battery performance relative to competing smart water bottle brands. Check out the entire review here. Specifically, this reviewer pointed out the following:

The device is powered via two coin cell batteries which means you don’t have to routinely charge it.

Learn more at the company's website.

You can also check out the top 10 smart water bottle brands for battery performance, or the overall best-performing smart water bottle brands on our main review grid.

Looking for Bellabeat Spring coupons? Check out the latest deals here. Want more reviews on Bellabeat Spring? Read a more in-depth review of Bellabeat Spring on this page.

— reviewed Bellabeat on March 12, 2020, Read all 2 battery life reviews.

Based on reviews from trusted online sites, combined with information from RUNME R3 Wi Fi Action Camera's website, it appears that RUNME R3 Wi Fi Action Camera performs performs below average in terms of battery performance when compared to other action camera brands.

Based on one review posted on amazon.com, it appears that RUNME R3 Wi Fi Action Camera received poor ratings for battery performance. See the full review here. From this review:

The battery dies pretty fast.

Learn more at the company's website.

You can also check out the top 10 action camera brands for battery performance, or the overall best-performing action camera brands on our main review grid.

Looking for RUNME R3 Wi Fi Action Camera coupons? Check out the latest deals here. Want more reviews on RUNME R3 Wi Fi Action Camera? Read a more in-depth review of RUNME R3 Wi Fi Action Camera on this page.

— reviewed Runme on September 2, 2020, Read all 2 battery life reviews.

Our team of researchers is out looking for the answer to this question now. We're currently researching Funktional Wearables's website and FAQ pages as well as other online sources. We'll also try contacting Funktional Wearables directly to try to find an answer to this question. Check back in a bit to see if we've found the answer.

— reviewed Funktional Wearables on June 21, 2019, Read 1 battery life review.

Our team of shopping analysts is out looking for the answer to this question now. We source our answers from Bodytronics's website and customer service pages and by working with Bodytronics directly to find the correct answer to this question. Check back later to find the answer to this question.

— reviewed Bodytronics on June 21, 2019, Read 1 battery life review.