Charging the battery correctly: what is good and what is not?

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Charging the battery correctly: what is good and what is not?
Charging the battery correctly: what is good and what is not?

Charging the battery correctly: what is good and what is not

Charging cable into the socket and the other end into the smartphone – in theory, powering a smartphone battery is that simple. In practice, however, you can make a lot of mistakes. 

Not a single one of them kills your smartphone, but the lifespan of the battery can be significantly shortened by permanently incorrect handling. That is why we explain below what you should do and which “loading errors” you should avoid.

DOS

1. Pay attention to extremes

The battery of the smartphone should neither fall below 20 percent residual capacity nor be kept at over 80 percent. We understand that a full battery calms your conscience, but for the component itself, the constantly full condition is not particularly healthy. It is best to plug the device in at 20 to 25 percent and unplug it again at around 80 percent. In general, however, you should try not to interrupt the charging process; this is also not recommended. Incidentally, you can see how the battery charge level changes in the settings of your device, usually under “Battery” or “Device maintenance”.

2. Power off when battery is full

If the battery is full, you should unplug the device from the socket. It’s not always easy, after all, you don’t watch the battery charge piece by piece. We recommend purchasing a smart socket that switches off as soon as the smartphone is charged. Set the socket to a two-hour power supply – this should be enough to charge the battery, but you don’t run the risk of charging it for hours.

3. Keep a few percent

If the battery has dropped below 20 percent, plug your smartphone into the socket with a clear conscience. It has been proven that a completely empty battery is worse for its service life than a battery that is consistently recharged at a few percent. So make sure that there is always some remaining capacity available.

Don’ts

1. Charge too often

We understand that a battery that is only half full can make your stomach feel queasy when you leave the house. But you shouldn’t be tempted to keep your smartphone plugged into the socket so that you can be relaxed on the go. Many short charging cycles are significantly worse than a long charging process.

2. Charge overnight

This point is inevitably related to point 2 of the “DOs”. If you charge your smartphone overnight, more electricity is pumped into the energy storage system than is actually necessary. It is better to charge it an hour before going to bed and, if necessary, again in the afternoon of the following day.

3. Disregard the charge level

There is a good reason why the various manufacturers still put their own charging plugs in the packaging: Fast chargers charge with far more than two amps, but not every smartphone can handle this. It is best to only use the original charger.

4. Fake chargers

Point 3 brings us straight to this aspect. On the Internet you can find cheap chargers on many (dubious) sites, mostly from Asia. We recommend: Stay away! The few euros more for a high-quality charger with CE mark pay off.

5. Fast charge only

Of course, it is sometimes unavoidable to use the beloved quick charger – after all, the battery is at least half full in a few minutes. But: If you only charge quickly, you risk a rapid loss of capacity of the power source. Therefore: it is better to vary from time to time.

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