Why and how to optimize the charge of your smartphone

Many of us have the rather logical reflex of charging our mobile phone in the evening at bedtime. This has the advantage of finding your smartphone charged when you wake up, but it’s a bad habit. And leaving the charger permanently plugged in isn’t a good idea either, for a different reason.

Even on a short night, your smartphone plugged in at bedtime will regain a full charge long before you wake up. If the chargers cut off the power automatically, the battery will gradually discharge, and the charger will come back into action. This cycle repeated several times will not do the battery any good, which will lose charge capacity over time.

One may be tempted to reassure oneself by using the functionality of certain devices allowing the charge to be limited to 80% to end it gradually before waking up. As explained in an article by ZDNet, the phenomenon is still present, because the device continues to receive energy, even if it is in very small quantities, to maintain itself at this intermediate charge level. The ideal therefore remains to cut off the load once the device is fully charged.

Changing habits, or adopting a connected plug

A first solution to this problem would be to change the way you charge your mobile, for example by opting for several short-term charges during the day. This also means keeping the charger on you rather than leaving it permanently plugged into the mains and, thus, consuming energy for nothing since a charger, even without a device at the end, always consumes one (any ) a bit. But habits die hard, and it must be recognized that charging your smartphone in the evening to find it charged when you wake up is rather comfortable. The easiest way is to use a connected plug.

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Many households are already equipped with it and this type of device is now offered at a very low price, with prices starting at less than 20 €. Some models also directly integrate USB ports to recharge a mobile device or even several, but, above all, most allow you to automatically cut off the current and, therefore, the charge in order to preserve the battery of the smartphone.

There are also several ways to program the stopping of charging with a connected plug. If the manufacturer’s app allows you to use a timer, note the estimated remaining charge time when you plug in your phone. If it is not displayed directly, this information can usually be found in the settings.

Many manufacturers also offer a schedule, which allows the programming to be repeated over several days and weeks. It is therefore not necessary to make the adjustment every day. Again, figure out how long the device typically takes to charge and create a recurring schedule for the device to turn off overnight, but it’s best to leave a little margin for the days you’ll be going to bed. a bit later. Alternatively, it is also possible to have the socket switch on in the early morning. The idea is then to synchronize the end of the charge with waking up, which is generally more regular than going to bed.

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