Fitbit Charge 2 Review | 171 Data compared

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  • Avg. price in UK: ~£140
  • Avg. price in US: ~$150
  • Form factor: wristband
  • Battery life: 5 days
  • Screen size: 1.5 inch

Fitbit Charge 2 review. Compare 171 technical specifications and user reviews to see how it ranks among fitness trackers and if it is worth buying.

7.4

Overall score

What it is: An overall evaluation of the fitness tracker's quality, based on technical analyses and user reviews.

When it matters: When you need a quick reference to identify the best fitness trackers on the market.

Score components:

80.0%

7.0

Technical Score

20.0%

9.2

User score

Very good
7.0

Technical Score

What it is: An assessment of the fitness tracker's technical performance, covering eight key areas: health tracking, sports features, connectivity, display, battery, smart features, design, and app support.

When it matters: When you want to compare fitness trackers based on technical performance and available features.

Score components:

20.0%

8.7

Sports & Navigation

20.0%

3.5

Battery

18.0%

7.9

Health

18.0%

6.6

Display

8.0%

7.3

Smart Features

8.0%

9.1

App & Wellness

4.0%

8.5

Connectivity

4.0%

7.3

Design & Durability

Very good
9.2

User score

What it is: A rating that combines user reviews and the total number of reviews received by the fitness tracker.

When it matters: When you want to know how a fitness tracker performs in daily use and how reliable it remains over time according to user feedback.

Score components:

70.0%

8.8

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
4.4
(17083)
amazon
4.4
(2626)
amazon
4.5
(2006)
amazon
4.3
(1656)
amazon
4.4
(901)
amazon
4.2
(205)

(Reviews last updated: June 2026)

Exceptional
  • 6.0
    Swimming

    Score components:

    28.0%

    9.0

    ATM rating

    24.0%

    4.0

    Open-water swim mode

    18.0%

    9.0

    Waterproof depth rating

    15.0%

    4.0

    GPS

    15.0%

    2.0

    Battery life

  • 6.1
    Kids

    Score components:

    30.0%

    2.0

    Battery life

    25.0%

    4.9

    Weight

    20.0%

    9.0

    ATM rating

    15.0%

    10

    Screen size

    10.0%

    9.8

    Price

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Best prices in UK

Best rankings

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Available: ranking among products currently available (including other versions of this product).
All: ranking among all products in the database.

Verdict

The Fitbit Charge 2 is a versatile fitness tracker featuring a 1.5-inch monochrome OLED tap-sensitive display and an optical heart rate monitor for continuous PurePulse tracking. It is equipped with a 3-axis accelerometer and an altimeter to monitor steps, distance, calories burned, floors climbed, and sleep stages. Key characteristics include 'Connected GPS' for route mapping via a smartphone, multi-sport modes for specific exercise tracking, and personalized guided breathing sessions based on real-time heart rate. Notable pros include its long 5-day battery life, interchangeable bands for style customization, and automatic exercise recognition through SmartTrack. However, its main drawbacks are the lack of built-in GPS and limited water resistance, making it unsuitable for swimming or showering.

Technical Specifications of Fitbit Charge 2

Technical Score

What it is: An assessment of the fitness tracker's technical performance, covering eight key areas: health tracking, sports features, connectivity, display, battery, smart features, design, and app support.

When it matters: When you want to compare fitness trackers based on technical performance and available features.

Score components:

20.0%

8.7

Sports & Navigation

20.0%

3.5

Battery

18.0%

7.9

Health

18.0%

6.6

Display

8.0%

7.3

Smart Features

8.0%

9.1

App & Wellness

4.0%

8.5

Connectivity

4.0%

7.3

Design & Durability

7.0
Fitbit Charge 2 has a technical score of 7 points, which is lower than 50.2% of fitness trackers.
User score

What it is: A rating that combines user reviews and the total number of reviews received by the fitness tracker.

When it matters: When you want to know how a fitness tracker performs in daily use and how reliable it remains over time according to user feedback.

Score components:

70.0%

8.8

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
4.4
(17083)
amazon
4.4
(2626)
amazon
4.5
(2006)
amazon
4.3
(1656)
amazon
4.4
(901)
amazon
4.2
(205)

(Reviews last updated: June 2026)

9.2
Fitbit Charge 2 has a user score of 9.16 points, which is higher than 93% of fitness trackers.
Popularity
What it is: An indicator based on the number of reviews received by the fitness tracker.
When it matters: When you prefer to buy a product chosen and reviewed by many other consumers.
10
Fitbit Charge 2 has a popularity of 10 points, which is higher than 60.1% of products in this category.
Ratio quality/price

What it is: An indicator that combines the fitness tracker's overall rating with its cost.

When it matters: When you are looking for a fitness tracker with a good balance between quality and price.

Score components:

60.0%

7.4

Overall score

40.0%

9.8

Price

8.1
Fitbit Charge 2 has a quality-to-price ratio of 8.1 points, which is higher than 54% of products in this category.
Heart rate monitor
What it is: Sensor that measures heart rate in real time.
When it matters: When you care about live heart-rate feedback during training or resting trends outside of workouts.

Importance: HIGH

yes
Fitbit Charge 2 supports heart rate monitoring. 40.2% of fitness trackers support heart rate monitoring.
Resting heart rate
What it is: Measures heart rate while resting.
When it matters: When deeper insight into sleep quality, recovery, or overall readiness matters more than raw numbers alone.

Importance: MEDIUM

yes
Fitbit Charge 2 supports Resting heart rate. 52% of fitness trackers support Resting heart rate.
Tracks resting heart rate.
Fast/slow heart rate alerts
What it is: Alerts for heart rates that are too fast or too slow.
When it matters: When you want the tracker to warn you about unusual changes instead of only logging them.

Importance: LOW

no
Fitbit Charge 2 does not support high and low heart rate alerts. 33.7% of fitness trackers support high and low heart rate alerts.
Irregular heart rate alerts
What it is: Warns of irregular or abnormal heart rhythms.
When it matters: When you want the tracker to warn you about unusual changes instead of only logging them.

Importance: LOW

no
Fitbit Charge 2 does not support irregular heart rate alerts. 11.5% of fitness trackers support irregular heart rate alerts.
Blood oxygen sensor
What it is: Sensor that measures blood oxygen saturation.
When it matters: When blood oxygen readings are part of the health picture you want from the device instead of relying on heart rate and step count alone.

Importance: MEDIUM

no
Fitbit Charge 2 does not have a blood oxygen sensor. 26.1% of fitness trackers have a blood oxygen sensor.
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GPS
What it is: Satellite navigation capability for positioning and tracking.
When it matters: When you train outdoors and want pace, distance, and route tracking without depending completely on your phone.

Importance: LOW

no
Fitbit Charge 2 does not have GPS. 11% of fitness trackers have GPS.
Satellite systems supported
What it is: States which satellite navigation systems the device can use for positioning.
When it matters: When you train outdoors and want stronger positioning, route guidance, and navigation independence from your phone.

Importance: LOW

no
Fitbit Charge 2 supports no satellite systems which is less versatile than that of 12.2% of fitness trackers and the same as that of 87.8% of fitness trackers.
GNSS bands supported
What it is: Number and type of GNSS frequency bands supported.
When it matters: When you train outdoors and want stronger positioning, route guidance, and navigation independence from your phone.

Importance: LOW

no
Fitbit Charge 2 does not support advanced GNSS bands. 8.9% of fitness trackers support advanced GNSS bands.
Galileo support
What it is: Supports Galileo satellite system.
When it matters: When you train outdoors and want stronger positioning, route guidance, and navigation independence from your phone.

Importance: LOW

no
Fitbit Charge 2 does not support Galileo. 4.9% of fitness trackers support Galileo.
Acquires GPS faster
What it is: Shows whether the tracker includes features that help it lock onto satellite positioning more quickly at the start of an outdoor activity.
When it matters: When you train outdoors and want stronger positioning, route guidance, and navigation independence from your phone.

Importance: LOW

no
Fitbit Charge 2 does not support faster GPS acquisition. 7.2% of fitness trackers support faster GPS acquisition.
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Notifications
What it is: Delivers smartphone notifications on the watch.
When it matters: When getting calls, messages, and app alerts on your wrist saves you from checking your phone constantly.

Importance: MEDIUM

yes
Fitbit Charge 2 supports notifications. 27.5% of fitness trackers support notifications.
Vibrating alerts
What it is: Provides vibration-based notifications and alerts.
When it matters: When staying reachable from your wrist helps you avoid checking your phone constantly.

Importance: LOW

yes
Fitbit Charge 2 supports vibration alerts. 16.3% of fitness trackers support vibration alerts.
Call control
What it is: Allows control of phone calls from the device.
When it matters: When staying reachable from your wrist helps you avoid checking your phone constantly.

Importance: LOW

no
Fitbit Charge 2 does not support call controls. 41.1% of fitness trackers support call controls.
Call answering
What it is: Allows answering calls directly from the device.
When it matters: When staying reachable from your wrist helps you avoid checking your phone constantly.

Importance: LOW

no
Fitbit Charge 2 does not support call answering. 1% of fitness trackers support call answering.
Calendar sync
What it is: Syncs calendar events with the connected device.
When it matters: When staying reachable from your wrist helps you avoid checking your phone constantly.

Importance: LOW

no
Fitbit Charge 2 does not support calendar sync. 19.9% of fitness trackers support calendar sync.
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Activity reports
What it is: Generates summaries and insights from activity data.
When it matters: When you want the app to motivate you with goals, reports, coaching, or progress feedback over time.

Importance: LOW

yes
Fitbit Charge 2 supports activity reports. 5.7% of fitness trackers support activity reports.
via Fitbit app
Goal setting
What it is: Allows setting personal fitness or activity goals.
When it matters: When you want the app to motivate you with goals, reports, coaching, or progress feedback over time.

Importance: LOW

yes
Fitbit Charge 2 supports goal setting. 2.4% of fitness trackers support goal setting.
Achievements
What it is: Rewards progress and completed milestones.
When it matters: When you want the app to motivate you with goals, reports, coaching, or progress feedback over time.

Importance: LOW

yes
Fitbit Charge 2 supports achievements. 24.3% of fitness trackers support achievements.
Includes milestone trophies.
Inactivity alerts
What it is: Alerts when the user has been inactive for too long.
When it matters: When account rules, app costs, exports, or software flexibility affect whether the ecosystem suits you long term.

Importance: LOW

yes
Fitbit Charge 2 supports inactivity alerts. 23.7% of fitness trackers support inactivity alerts.
Move reminders supported.
Coaching
What it is: Provides guided training and workout advice.
When it matters: When you want the app to motivate you with goals, reports, coaching, or progress feedback over time.

Importance: LOW

no
Fitbit Charge 2 does not support coaching. 33% of fitness trackers support coaching.
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Bluetooth version
What it is: Version of Bluetooth supported by the device.
When it matters: When wireless stability, pairing quality, and long-term phone compatibility matter more than Bluetooth being a simple checkbox.

Importance: LOW

Good value: >=5.0

4.0
Fitbit Charge 2 supports Bluetooth 4.0 which is newer than in 5.1% of fitness trackers and equal to that in 51.5% of fitness trackers.
Maximum Bluetooth range
What it is: States the maximum Bluetooth connection range supported under normal conditions.
When it matters: When compatibility with your phone, computer, accessories, or wireless setup affects how well the tracker fits into your ecosystem.

Importance: LOW

Good value: >=10 m

6.1 m
Fitbit Charge 2 offers a Bluetooth range of 6.1 m which is lower than that of 93.1% of fitness trackers and equal to that of 0.8% of fitness trackers.
NFC
What it is: Supports near-field communication for contactless features.
When it matters: When compatibility with your phone, computer, accessories, or wireless setup affects how well the tracker fits into your ecosystem.

Importance: LOW

no
Fitbit Charge 2 does not have NFC. 10.1% of fitness trackers have NFC.
Wi-Fi connectivity
What it is: Connects to wireless internet networks.
When it matters: When the tracker should sync, update, or download data directly without always routing everything through the phone.

Importance: LOW

?
Wi-Fi version
What it is: Version of Wi-Fi standard supported.
When it matters: When compatibility with your phone, computer, accessories, or wireless setup affects how well the tracker fits into your ecosystem.

Importance: LOW

?
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Battery life
What it is: Total time the battery lasts on a full charge.
When it matters: When the tracker needs to last through travel, sleep tracking, long workouts, or several days between charges.

Importance: HIGH

Good value: >5 days

5 days
Fitbit Charge 2 offers a battery life of 5 days which is shorter than that of 79.2% of fitness trackers and equal to that of 12.4% of fitness trackers.
Battery life with GPS on
What it is: Battery duration when GPS tracking is active.
When it matters: When you want fewer charging breaks during travel, longer workouts, sleep tracking, or continuous use.

Importance: LOW

Good value: >=8 hours

N/A
Battery life in training mode
What it is: Battery duration during active training sessions.
When it matters: When you want fewer charging breaks during travel, longer workouts, sleep tracking, or continuous use.

Importance: LOW

?
Battery life in power-saving mode
What it is: Battery duration when using power-saving mode.
When it matters: When you want fewer charging breaks during travel, longer workouts, sleep tracking, or continuous use.

Importance: LOW

N/A
Battery capacity
What it is: Energy storage capacity of the battery.
When it matters: When you want rough battery context behind the runtime claim instead of trusting the advertised hours alone.

Importance: MEDIUM

Good value: >=100 mAh

60 mAh
Fitbit Charge 2 has a battery capacity of 60 mAh which is lower than that of 81% of fitness trackers and equal to that of 2.8% of fitness trackers.
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Display
What it is: Main interface showing information and metrics.
When it matters: When easier reading at a glance and better day-to-day screen comfort matter to you.

Importance: LOW

yes
Fitbit Charge 2 has a display. 24.1% of fitness trackers have a display.
Screen size
What it is: Physical size of the device’s display measured diagonally.
When it matters: When easier reading at a glance and better day-to-day screen comfort matter to you.

Importance: MEDIUM

1.5 inch
Fitbit Charge 2 has a screen size of 1.5 inch which is larger than that of 85.3% of fitness trackers and equal to that of 2.1% of fitness trackers.
Display type
What it is: Technology used for the screen, such as AMOLED or LCD.
When it matters: When display technology affects contrast, color quality, power efficiency, or how premium the screen feels.

Importance: MEDIUM

OLED
Fitbit Charge 2 uses OLED display technology which is more advanced than that of 53% of fitness trackers and the same as that of 21.8% of fitness trackers.
Screen resolution
What it is: Total number of pixels displayed on the screen.
When it matters: When easier reading at a glance and better day-to-day screen comfort matter to you.

Importance: MEDIUM

128 x 64
Fitbit Charge 2 has a screen resolution of 128x64 which is higher than that of 52.8% of fitness trackers and equal to that of 2.3% of fitness trackers.
Pixel density
What it is: Number of pixels per inch determining screen sharpness.
When it matters: When easier reading at a glance and better day-to-day screen comfort matter to you.

Importance: LOW

Good value: >=280 ppi

?
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Form factor
What it is: Overall physical design and shape.
When it matters: When materials, shape, and build details affect comfort, durability, or how discreet the device feels.

Importance: LOW

wristband
Hybrid design
What it is: Combines analog and digital display elements.
When it matters: When materials, shape, and build details affect comfort, durability, or how discreet the device feels.

Importance: LOW

no
Fitbit Charge 2 does not support Hybrid design. 2.4% of fitness trackers support Hybrid design.
Designed for kids
What it is: Indicates whether the fitness tracker is explicitly designed for children, with child-focused sizing, branding, safety limits, or kid-oriented activity features.
When it matters: This matters when you want a tracker that is genuinely child-focused rather than just a smaller adult model.

Importance: LOW

no
Fitbit Charge 2 is not designed for kids. 2.4% of fitness trackers are designed for kids.
No child-specific positioning found.
Replaceable watch band
What it is: Ability to replace the wristband with other styles.
When it matters: When strap comfort, fit, or the ability to swap bands matters for sport, style, or replacement.

Importance: LOW

yes
Fitbit Charge 2 has a replaceable watch band. 24.4% of fitness trackers have a replaceable watch band.
Band width
What it is: Width of the strap where it connects to the watch.
When it matters: When strap comfort, fit, or the ability to swap bands matters for sport, style, or replacement.

Importance: LOW

21 mm
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Fitbit Charge 2 vs the average fitness tracker

  • Measures VO2 max
    Fitbit Charge 2 supports VO2 max tracking, while the average fitness tracker does not. 22.5% of fitness trackers support VO2 max tracking.
    Cardio Fitness Score.
    What it is: Measures maximum oxygen uptake during exercise.
    When it matters: When deeper insight into sleep quality, recovery, or overall readiness matters more than raw numbers alone.

    Importance: LOW

    Fitbit Charge 2 supports VO2 max tracking, while the average fitness tracker does not. 22.5% of fitness trackers support VO2 max tracking.
  • Lower resting heart rate
    Fitbit Charge 2 supports Resting heart rate, while the average fitness tracker does not. 48.2% of fitness trackers support Resting heart rate.
    Tracks resting heart rate.
    What it is: Measures heart rate while resting.
    When it matters: When deeper insight into sleep quality, recovery, or overall readiness matters more than raw numbers alone.

    Importance: MEDIUM

    Fitbit Charge 2 supports Resting heart rate, while the average fitness tracker does not. 48.2% of fitness trackers support Resting heart rate.
  • 0.46 inch larger screen size
    Fitbit Charge 2 has a higher screen size than the average fitness tracker (1.5 inch vs 1.04 inch). The average fitness tracker has a screen size of 1.04 inch.
    What it is: Physical size of the device’s display measured diagonally.
    When it matters: When easier reading at a glance and better day-to-day screen comfort matter to you.

    Importance: MEDIUM

    Fitbit Charge 2 has a higher screen size than the average fitness tracker (1.5 inch vs 1.04 inch). The average fitness tracker has a screen size of 1.04 inch.1.5 inch vs 1.04 inch
  • Tracks elevation
    Fitbit Charge 2 supports elevation tracking, while the average fitness tracker does not. 27.2% of fitness trackers support elevation tracking.
    Floors climbed via altimeter
    What it is: Measures elevation gain and loss during activity.
    When it matters: When you train outdoors and want stronger positioning, route guidance, and navigation independence from your phone.

    Importance: LOW

    Fitbit Charge 2 supports elevation tracking, while the average fitness tracker does not. 27.2% of fitness trackers support elevation tracking.
  • Tracks menstrual cycle
    Fitbit Charge 2 supports menstrual cycle tracking, while the average fitness tracker does not. 41.7% of fitness trackers support menstrual cycle tracking.
    Includes menstrual-cycle tracking.
    What it is: Tracks menstrual cycle and related data.
    When it matters: When cycle tracking is part of your health routine and you want those records kept alongside the rest of your wearable data.

    Importance: LOW

    Fitbit Charge 2 supports menstrual cycle tracking, while the average fitness tracker does not. 41.7% of fitness trackers support menstrual cycle tracking.
  • Windows compatible
    Fitbit Charge 2 is compatible with Windows, while the average fitness tracker is not. 22.3% of fitness trackers are compatible with Windows.
    Via Fitbit Connect.
    What it is: Compatible with Windows computers.
    When it matters: When compatibility with your phone, computer, accessories, or wireless setup affects how well the tracker fits into your ecosystem.

    Importance: LOW

    Fitbit Charge 2 is compatible with Windows, while the average fitness tracker is not. 22.3% of fitness trackers are compatible with Windows.
  • Mac OS X compatible
    Fitbit Charge 2 is compatible with Mac OS X, while the average fitness tracker is not. 27.5% of fitness trackers are compatible with Mac OS X.
    Via Fitbit Connect.
    What it is: Compatible with macOS devices.
    When it matters: When compatibility with your phone, computer, accessories, or wireless setup affects how well the tracker fits into your ecosystem.

    Importance: LOW

    Fitbit Charge 2 is compatible with Mac OS X, while the average fitness tracker is not. 27.5% of fitness trackers are compatible with Mac OS X.
  • Built-in barometer
    Fitbit Charge 2 has a barometer, while the average fitness tracker does not. 10.7% of fitness trackers have a barometer.
    What it is: Measures air pressure and elevation changes.
    When it matters: When you train outdoors and want stronger positioning, route guidance, and navigation independence from your phone.

    Importance: LOW

    Fitbit Charge 2 has a barometer, while the average fitness tracker does not. 10.7% of fitness trackers have a barometer.
  • Measures VO2 max
    Fitbit Charge 2 supports VO2 max tracking, while the average fitness tracker does not. 22.5% of fitness trackers support VO2 max tracking.
  • Lower resting heart rate
    Fitbit Charge 2 supports Resting heart rate, while the average fitness tracker does not. 48.2% of fitness trackers support Resting heart rate.
  • Tracks menstrual cycle
    Fitbit Charge 2 supports menstrual cycle tracking, while the average fitness tracker does not. 41.7% of fitness trackers support menstrual cycle tracking.
  • Ovulation prediction
    Fitbit Charge 2 predicts ovulation, while the average fitness tracker does not. 41.4% of fitness trackers predict ovulation.
  • Cycle start prediction
    Fitbit Charge 2 predicts the start date, while the average fitness tracker does not. 42.2% of fitness trackers predict the start date.
  • Tracks elevation
    Fitbit Charge 2 supports elevation tracking, while the average fitness tracker does not. 27.2% of fitness trackers support elevation tracking.
  • Built-in barometer
    Fitbit Charge 2 has a barometer, while the average fitness tracker does not. 10.7% of fitness trackers have a barometer.
  • Built-in route tracker
    Fitbit Charge 2 supports route tracking, while the average fitness tracker does not. 49.8% of fitness trackers support route tracking.
  • 7.1% higher maximum altitude
    Fitbit Charge 2 has a higher maximum altitude than the average fitness tracker (9,144 m vs 8,534 m). The average fitness tracker supports a maximum altitude of 8,534 m.
  • 0.46 inch larger screen size
    Fitbit Charge 2 has a higher screen size than the average fitness tracker (1.5 inch vs 1.04 inch). The average fitness tracker has a screen size of 1.04 inch.
  • Windows compatible
    Fitbit Charge 2 is compatible with Windows, while the average fitness tracker is not. 22.3% of fitness trackers are compatible with Windows.
  • Mac OS X compatible
    Fitbit Charge 2 is compatible with Mac OS X, while the average fitness tracker is not. 27.5% of fitness trackers are compatible with Mac OS X.
  • 1 more physical buttons
    Fitbit Charge 2 has a higher physical buttons than the average fitness tracker (1 vs 0). The average fitness tracker has 0 of physical buttons.
  • Firmware update method
    Fitbit Charge 2 uses a more convenient firmware update method than the average fitness tracker (over-the-air / USB vs over-the-air). The average fitness tracker uses over-the-air for firmware updates.
  • Gesture control
    Fitbit Charge 2 supports gesture controls, while the average fitness tracker does not. 40.8% of fitness trackers support gesture controls.
  • Tracks calorie intake
    Fitbit Charge 2 supports calorie intake tracking, while the average fitness tracker does not. 39.3% of fitness trackers support calorie intake tracking.
  • Water intake tracking
    Fitbit Charge 2 supports water intake tracking, while the average fitness tracker does not. 47% of fitness trackers support water intake tracking.
  • 5 days shorter battery life
    Fitbit Charge 2 has a lower battery life than the average fitness tracker (5 days vs 10 days). The average fitness tracker has 10 days of battery life.
  • 0.5 hours longer charging time
    Fitbit Charge 2 has a higher charging time than the average fitness tracker (2 hours vs 1.5 hours). The average fitness tracker needs 1.5 hours to charge.
  • 45.5% smaller battery capacity
    Fitbit Charge 2 has a lower battery capacity than the average fitness tracker (60 mAh vs 110 mAh). The average fitness tracker has 110 mAh of battery capacity.
  • Lower screen resolution
    Fitbit Charge 2 has a lower screen resolution than the average fitness tracker (128x64 vs 194x368). The average fitness tracker has a screen resolution of 194x368.
  • Basic display glass
    Fitbit Charge 2 uses less durable display glass than the average fitness tracker (polycarbonate vs glass). The average fitness tracker uses glass display glass.
  • 3.9 m shorter Bluetooth range
    Fitbit Charge 2 has a shorter Bluetooth range than the average fitness tracker (6.1 m vs 10 m). The average fitness tracker offers a Bluetooth range of 10 m.
  • 40% heavier
    Fitbit Charge 2 is heavier than the average fitness tracker (35 g vs 25 g). The average fitness tracker weighs 25 g.
  • 1.7 mm thicker design
    Fitbit Charge 2 is thicker than the average fitness tracker (12.7 mm vs 11 mm). The average fitness tracker has a thickness of 11 mm.
  • 10 °C higher minimum operating temperature
    Fitbit Charge 2 has a higher minimum operating temperature than the average fitness tracker (-10 °C vs 0 °C). The average fitness tracker supports a minimum operating temperature of 0 °C.
  • 5 days shorter battery life
    Fitbit Charge 2 has a lower battery life than the average fitness tracker (5 days vs 10 days). The average fitness tracker has 10 days of battery life.
    What it is: Total time the battery lasts on a full charge.
    When it matters: When the tracker needs to last through travel, sleep tracking, long workouts, or several days between charges.

    Importance: HIGH

    Good value: >5 days

    Fitbit Charge 2 has a lower battery life than the average fitness tracker (5 days vs 10 days). The average fitness tracker has 10 days of battery life.5 days vs 10 days
  • Lower screen resolution
    Fitbit Charge 2 has a lower screen resolution than the average fitness tracker (128x64 vs 194x368). The average fitness tracker has a screen resolution of 194x368.
    What it is: Total number of pixels displayed on the screen.
    When it matters: When easier reading at a glance and better day-to-day screen comfort matter to you.

    Importance: MEDIUM

    Fitbit Charge 2 has a lower screen resolution than the average fitness tracker (128x64 vs 194x368). The average fitness tracker has a screen resolution of 194x368.128x64 vs 194x368
  • 0.5 hours longer charging time
    Fitbit Charge 2 has a higher charging time than the average fitness tracker (2 hours vs 1.5 hours). The average fitness tracker needs 1.5 hours to charge.
    What it is: Time required for a full charge.
    When it matters: When short charging windows matter and you do not want the tracker off your wrist for too long.

    Importance: MEDIUM

    Fitbit Charge 2 has a higher charging time than the average fitness tracker (2 hours vs 1.5 hours). The average fitness tracker needs 1.5 hours to charge.2 hours vs 1.5 hours
  • 45.5% smaller battery capacity
    Fitbit Charge 2 has a lower battery capacity than the average fitness tracker (60 mAh vs 110 mAh). The average fitness tracker has 110 mAh of battery capacity.
    What it is: Energy storage capacity of the battery.
    When it matters: When you want rough battery context behind the runtime claim instead of trusting the advertised hours alone.

    Importance: MEDIUM

    Good value: >=100 mAh

    Fitbit Charge 2 has a lower battery capacity than the average fitness tracker (60 mAh vs 110 mAh). The average fitness tracker has 110 mAh of battery capacity.60 mAh vs 110 mAh
  • 40% heavier
    Fitbit Charge 2 is heavier than the average fitness tracker (35 g vs 25 g). The average fitness tracker weighs 25 g.
    What it is: Weight of the device including strap.
    When it matters: When overall size, thickness, or weight affects comfort during all-day wear, sleep, or exercise.

    Importance: LOW

    Good value: <25 g

    Fitbit Charge 2 is heavier than the average fitness tracker (35 g vs 25 g). The average fitness tracker weighs 25 g.35 g vs 25 g
  • 2x more expensive
    Fitbit Charge 2 is more expensive than the average fitness tracker (£140 vs £70).
    Fitbit Charge 2 is more expensive than the average fitness tracker (£140 vs £70).£140 vs £70
  • 1.7 mm thicker design
    Fitbit Charge 2 is thicker than the average fitness tracker (12.7 mm vs 11 mm). The average fitness tracker has a thickness of 11 mm.
    What it is: Total depth of the watch case.
    When it matters: When overall size, thickness, or weight affects comfort during all-day wear, sleep, or exercise.

    Importance: LOW

    Good value: <10 mm

    Fitbit Charge 2 is thicker than the average fitness tracker (12.7 mm vs 11 mm). The average fitness tracker has a thickness of 11 mm.12.7 mm vs 11 mm
  • 3.9 m shorter Bluetooth range
    Fitbit Charge 2 has a shorter Bluetooth range than the average fitness tracker (6.1 m vs 10 m). The average fitness tracker offers a Bluetooth range of 10 m.
    What it is: States the maximum Bluetooth connection range supported under normal conditions.
    When it matters: When compatibility with your phone, computer, accessories, or wireless setup affects how well the tracker fits into your ecosystem.

    Importance: LOW

    Good value: >=10 m

    Fitbit Charge 2 has a shorter Bluetooth range than the average fitness tracker (6.1 m vs 10 m). The average fitness tracker offers a Bluetooth range of 10 m.6.1 m vs 10 m

Graphic comparison of Fitbit Charge 2 and

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Third-party reviews

What customers like about Fitbit Charge 2?

  • Large, easy-to-read OLED display compared to previous models
  • Comprehensive and user-friendly companion app
  • Continuous heart rate monitoring with PurePulse technology
  • Automatic exercise recognition and sleep tracking
  • Interchangeable bands allowing for style customisation
  • Solid battery life, typically lasting 5 to 7 days
  • Useful guided breathing sessions and 'Reminders to Move'

What customers dislike about Fitbit Charge 2?

  • Lacks built-in GPS, requiring a connected smartphone for location data
  • Not waterproof; only splash and sweat resistant (cannot be used for swimming)
  • Bulky design can be uncomfortable for some to wear while sleeping
  • Known durability issues with straps cracking or peeling over time
  • Touchscreen can occasionally be unresponsive or finicky to navigate
  • Heart rate accuracy may lag during high-intensity (HIIT) workouts
  • Proprietary charging cable is required and differs from other Fitbit models

Expert reviews

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02/11/2016
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dcrainmaker.com
18/11/2016
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techgearlab.com
11/01/2017
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wareable.com
12/09/2017
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accidentalrandonneur.wordpress.com
18/05/2018
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womensrunning.com
09/11/2016
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techradar.com
01/07/2019
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cnet.com
21/09/2016
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windowscentral.com
26/10/2016
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time.com
08/09/2016
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whistleout.com.au
19/09/2016
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pcmag.com
13/09/2016
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computerbild.de
08/01/2017
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fitness-tracker-test.info
13/12/2016
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computerbild.de
20/01/2017
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heise.de
28/09/2016
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chip.de
21/10/2016
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chip.de
20/10/2016
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netzpiloten.de
25/04/2019
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sports-insider.de
13/03/2018
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leclaireur.fnac.com
19/11/2018
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montre-cardio-gps.fr
19/12/2016
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01net.com
14/10/2016
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lesnumeriques.com
08/10/2016
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vonguru.fr
27/03/2017
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jujube-en-cuisine.fr
13/07/2018
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frandroid.com
20/09/2023
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correrunamaraton.com
13/12/2016
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labolsadelcorredor.com
13/02/2017
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xataka.com
04/03/2017
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smartworld.it
06/10/2016
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manuelagostini.com
12/02/2017
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dday.it
25/01/2017
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tsw.it
08/02/2017
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hwupgrade.it
31/03/2017
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macitynet.it
16/10/2016
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gazzetta.it
24/08/2017
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wegwijsnaar.nl
14/09/2016
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fitwithmarit.nl
18/02/2018
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smarthealth.live
15/09/2016
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natuurlijklinda.nl
06/05/2017
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gadgetgear.nl
10/10/2016
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iculture.nl
12/10/2016
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Video reviews

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