Battery life Fitbit Flex2

Battery life Fitbit Flex2

• Roughly four days of life
• Slow and awkward to charge

If this is your bag, there’s just one other thing to consider - the Fitbit Flex 2’s battery life is not that good for such a low-functionality tracker.

Fitbit says it’ll last five days between charges, but we only managed four when the phone notifications were switched from SMS messages to WhatsApp ones (you can switch between SMS, WhatsApp and Hangouts), which we tend to receive much more often.

It seems likely Fitbit had to use a tiny battery in order to make the module as small as it is, and that the vibrate function uses a decent amount of charge when firing off frequently.

Switch notifications off altogether and the Fitbit Flex 2 may last over a week, but if all you want is a pedometer, the price seems quite high.

Charging is not very quick either, it takes a few hours, and involves removing the Flex 2 module and plugging it into a little dock that you then attach to your phone’s charger plug. No dedicated plug is included here.

Used day-to-day, a few times we ended up only half-charging the tracker, because we simply needed to leave the house or office before it was finished.

Fitbit does send you an email when the Flex 2 is low on juice, and you can check the power level in the app too. You’re only given vague “low”, “medium” and “full” estimates, though.

If you hate the idea of having another device to charge, consider the Garmin Vivofit 4. It uses a non-rechargeable battery that lasts for up to a year, and also functions as a watch. However, it doesn’t have a vibrate function, so is no use for notifications or as an alarm clock.

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