Who invented the cell phone charger?

Which smartphone charger is suitable for your model?

Smartphone manufacturers are a dime a dozen and so it is not surprising that everyone also advertises their own charging cable. You can find out which smartphone charger is the right one here.

Many users still believe that they can only charge their own smartphone with a charging cable from the corresponding brand. This is the safest way, but not the only possible one, as you will find out here. In the following you will find some facts and tips on how to best charge your mobile phone. First of all: It will definitely damage your smartphone if you leave it on the charging cable all night.

Stay away from cheap chargers from the Far East

Especially cheap charging cables from distant countries seem seductive at first glance - the apparently same product at a much lower price. But precisely this appearance is often deceptive: the materials used and the finished devices rarely comply with the applicable safety regulations. The device is often inadequately insulated, has large voltage fluctuations, or it simply burns through and, in the worst case, even starts to burn. Sometimes the CE mark is also forged. For this reason, you'd better spend a few euros more and buy a branded product.

Video: YouTube / Android Authority

Battery determines the charging current

The output voltage of certified power supplies for smartphones is always five volts. However, there are already the first differences in output power - it is usually between two and a half and twelve watts. For you as a user, however, the maximum available charging current is of the greatest relevance. Various power packs and power banks deliver between one and five amps. However, your battery determines how much of it is used and you don't have to worry that your battery could “overcharge” and be damaged. Of course, this only applies as long as the original battery is in the device or an authorized replacement is used.

Qualcomm's Quick Charge technology

Most of the newer smartphones are compatible with Qualcomm's Quick Charge technology. This means that you can charge your device up to halfway within a quarter of an hour. The latest version is Quick Charge 4.0, which was only developed last year. The two earlier 2.0 and 3.0 versions are slightly slower to load than the latest version. Of course, the Quick Charge technology also works with devices that do not actually support it - the charging process only takes longer. Note: The devices equipped with a Qualcomm Snapdragon processor always support the fast charging technology.

The iPhone 7 and its predecessors

Things get tricky with the iPhone 7 and its predecessors. When you buy the devices from Apple, you get a charger that only delivers one ampere. The smartphone itself can be charged with up to 2.1 amps. The iPad's 12-watt charger would therefore be the ideal power supply.

Other iPhones

As a rule, you can also charge your iPhone with power supplies from other providers - these usually deliver a significantly higher charging current with up to five amps. The modern top versions are of course also compatible with Qualcomm's Quick Charge technology.

USB Type-C connector

The recently established USB Type-C connection is fueling hopes for uniformity and permanent interchangeability of the chargers among users. The connector itself has an elliptical shape and differs from the USB-A connector in this respect. Since the new plug is point-symmetrical, you don't have to pay attention to how you insert it.


More tips for charging your smartphone

Nowadays, lithium-ion batteries are used almost exclusively in mobile devices. Therefore, do not wait so long to charge it until it has reached zero percent and do not charge it completely, as this is a very heavy load on the electrodes. The result would be a reduction in service life. According to experts, it is advisable to keep the battery permanently between 30 and 80 percent charged.

In addition, it is not very advisable to charge your smartphone all night. If the battery is full and is still attached to the charging cable, it either receives a trickle current or the charging process is interrupted. It differs from model to model. In spite of this, the battery is stressed in both cases, which slightly reduces its performance.

To prevent this, Sony invented the intelligent charging cycle. The smartphone learns when it is normally used during daily use and through the alarm clock activities. If it hangs on the charger overnight, the battery will only be charged up to a certain level. The charge is resumed shortly before the expected use. It can happen that it does not have full energy in the morning during the learning phase.

Batteries are also very sensitive to temperature. Try not to charge and operate your smartphone permanently in cold (below ten degrees Celsius) or too warm (over 35 degrees Celsius).

The degree of compatibility is growing steadily

Fortunately for users, the level of compatibility with smartphone chargers is growing all the time. At the beginning of the era, each device required its own cable, but now many are compatible with each other.

Do you have a universal charger for all of your devices? Do you always charge your smartphone overnight? Tell us about it in the comments.

Cover picture: Pixabay / HutchRock