As is so often the case, Apple started – not necessarily for the benefit of consumers. At the launch of the iPhone 12, the manufacturer announced that its latest smartphone would be delivered without a power supply unit. There are good reasons for it. After all, most cell phone users have more than one of these devices to charge the built-in battery. Probably every household has a drawer full of cables and adapters. In terms of environmental protection, it makes perfect sense to save the charger.
Apple set a trend with it. The Mi 11 from Xiaomi will not get its own power supply, and Samsung is also said to be considering such a step.
New models can bring it to 120 watts
From the consumer’s point of view, this decision is ambiguous. Because charging technology is constantly evolving. Current cell phones are often not charged optimally with older USB power supplies, comparatively slowly or not at all. While a conventional power supply has a charging capacity of around 5 to 10 watts, newer models can bring it up to 120 watts. It is obvious that the charging time is significantly reduced.
Specifically, this means: If you want to charge your new cell phone as quickly as possible, you have to dig into your pocket again for a better charger. A so-called quick charger is available from around twelve euros. It is usually plugged directly into the socket and connected to the end device with a USB cable. Attention: The USB cable is often not included in the scope of delivery and must then also be purchased.
Three connector types: Lightning, Micro-USB and USB
There are currently three connection types: Micro-USB, standard since 2011, USB-Type C, built into most newer devices, which can be used to transmit data as well as power, and “Lightning”, Apple’s own standard for iPhones from 2012. In his iPads such as the new iPad Air (4th generation) are also installed by the group using USB Type C. Charging cables with three different device plugs are particularly flexible. “Inductive chargers” do not need a cable to the cell phone: You simply place the device on the charging surface. However, wireless charging must be supported by the end device, and indirect charging also takes longer and consumes significantly more electricity.
The charging power should be 15 watts or more; for chargers with multiple connections, the power should be correspondingly higher: 25 watts or more for two, 30 watts or more for three USB ports. You should also pay attention to compatibility. Not every charger automatically fits every end device. It is advisable to check the product description to see whether your own mobile phone model is supported and that the device has been certified according to EU standards. Good chargers have protective mechanisms to protect your device from overvoltage, overheating and short circuits.
You should avoid cheap electronic waste of unknown origin. Because incorrectly charged batteries can even catch fire or explode. Speaking of incorrectly charged: If possible, charge your cell phone battery with a remaining charge of around 20%, this will extend its service life. A no-go is charging overnight. This is a waste of energy and damages the cell phone battery. This is especially true for fast chargers with high charging power. Chargers that have one or more normal charging ports and a fast charging port are good. You should only use the latter if you are in a hurry.
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