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What you have to know before buying a wireless charger


Buying a wireless charger has its peculiarities, do not overlook them.

The charger is an essential part of our smartphone, but also one of the most exposed. Its daily use and sometimes hastily storing it by bending the cord in a bad way can cause it to become deteriorate easily. Therefore, it is not strange or feel completely bad if you have to renew it on more than one occasion.

Another interesting option is that, if your smartphone has compatibility for wireless charging, you opt for a charger of this type. Here, as its use is less widespread, you probably need a little help. Don't worry, we are going to give you some tips to find the right charger.

Wireless charger: what should I watch

Cheap wireless charger

Wireless charging is convenient and useful in daily life.

One of the first things you should check is the cable entry. Most Android phones already use the universal type-C and this is for a reason, so make sure your next wireless charger has it too. It may sound basic but we assure you that you will not want to receive (and it would not be so strange) a charger with a different input, such as the microUSB, which, because of that, you won't be able to get the most out of it.

The importance of the power cord of the wireless charger has a direct influence on the charging speed. It is presumed that if it includes the USB-C input it will almost certainly be compatible with Power Delivery (not always like that, so check that too) which will provide wireless charging faster*

Pay attention to the load profile

wood wireless charger

Wooden wireless charger.

The powers of the chargers are not always what they say and have an explanation. Manufacturing companies use different load profiles wireless beyond the basics, so even if it says it has a power of 15W, it does not have to charge at that speed. Chargers should include a load chart like the following:

  • 5W QI: It is the basic profile and has universal compatibility. Even if your phone doesn't have fast charging, it should always be able to handle a 5W charge if it can be charged wirelessly.
  • 10 W Qi: This load profile refers to the 10 W load that most mobiles have. It is the standard.
  • 15W EPP: It's the extended power profile and a standard, although not too many phones are using it at the moment. Among those that do are the LG, Google Pixel 5 and OnePlus 8 Pro.
  • Samsung 10W: It is the most popular Samsung's own technology (Samsung Fast Charge 1.0) and also that of many wireless chargers, so it is precisely the standard that chargers that promise 10W charging refer to.
  • Samsung 15W: It is Samsung's own technology in new devices (Samsung Fast Charge Wireless 2.0) and the standard used by the Note 10, Note 20 and S20 series at the moment.
  • Apple 7.5 W: It is the charging speed of older iPhones so it is a charging standard that almost all wireless chargers will offer.
  • MagSafe 12-15 W: It's the new Apple standard that came with the iPhone 12. It delivers 12W when used with a 15-18W charger, and it will deliver 15W when power of 20W or more is supplied.

Therefore, after analyzing the load profiles, depending on the type of device you have, you should choose one or the other. If you do not specifically own a Samsung or iPhone (of which we have already mentioned the particularities) and your smartphone is relatively new, most likely you should resort to PPE.