2, advantages: the benefits of wireless chargerIt allows us to charge the phone while using it, and no longer needs to unplug the data cable. In addition, it can be taken at any time, which is more convenient than charging with a data cable. At the same time, it can provide certain support for the phone, making the phone charge more stable. Disadvantages: One disadvantage of wireless chargers is that the charging speed is relatively slow, and most wireless chargers only support 5W or 5W charging power.
3, wireless charger is good, convenient, safe and durable; The disadvantages are bondage, high price and low efficiency. Advantages of wireless charger: Convenient: Wireless charging belongs to one-to-many charging, which solves the problem that the interface is not applicable, withIt also avoids the phenomenon of poor contact caused by repeated plugging and removing of the mobile phone interface, which can better protect the mobile phone interface. 4, the benefits of wireless charger: from the theory, wireless charging technology is safe and harmless to the human body, the resonance principle of wireless charging is magnetic resonance, only in the same frequency resonance between the coil transmission, and other devices can not accept the band, in addition, the magnetic field used by wireless charging technology itself is harmless to the human body.
5, low frequency electromagnetic fields (that is, like you said wireless chargers, hair dryers) will not have the kind of heating effect of RF electromagnetic fields, rightThe possible threat to human health mainly lies in the fact that low-frequency electric and magnetic fields generate or sense current in the human body, and if the current is large enough, it can stimulate nerves and muscles.
6, the biggest advantage of wireless charging is that it can reduce the messy wire, making the desktop working environment clean, the disadvantage is that the charging efficiency is much lower than the line charge, waste of energy, and the wireless charger is much more expensive than the ordinary charger.
Apple 12 can use 30w fastCharge. First of all, from the technical specifications, the iPhone 12 supports fast charging function, and it is compatible with a variety of power chargers, including 20W and above fast charger. Although Apple officially recommends using its own 20W charger, that doesn't mean the iPhone 12 can't accept higher power charging devices.
System: iOS 12, iPhone12 charging interface (data interface) is Lightning interface, Lightning interface. The official data cable is USB-C to Lighting, so a USB-C is neededThe charger. The official did not mark the maximum number of W charging speed supported by the iPhone12, but the charger on the official website is 20W, so you can choose 20W when buying a charger.
The iPhone12 can use a 5W charger, but the charging efficiency will be slow, and it is expected to take 3 hours to fully charge. If you use the 20W charger sold on the official website, the full charge speed will be about 1 hour and 10 minutes. In addition, the iPad's 12W, 18W, or 20W charger can charge the iPhone12.
iPhone12 fullThe series all support PD fast charge, the official charger on sale is 20W, but the actual charging speed should be about 20W. The iPhone12 also supports MagSafe wireless charging (up to 15 watts) and Qi wireless charging (up to 5 watts).
iphone 12 can use the charger of the previous Apple mobile phone, but the charging speed will be relatively slow, it takes about 3 hours to be full, and the 5w, 12w, 20w, 30w chargers sold by Apple online can also charge the iphone 12, only notIt can also be seen that Nank South Carolina's brand strength advantage. With the increase of brand exposure, and the spread of user reputation, now many iPhone12 mobile phone users have begun to choose Nank South card magnetic wireless charging treasure POW3, after all, Nank South card in the field of charging treasure, whether quality workmanship or cost performance is the strongest.
First of all, electromagnetic induction is one of the core principles of wireless charging. In an electromagnetic induction wireless charging system, there are usually two main parts: a transmitter (charging dock or charging pad) and a receiver (usually built into the mobile device). Transmitter interiorThere is a coil that creates an alternating electromagnetic field when alternating current (AC) passes through it.
The iPhone12 has updated its own wireless charging system, MagSafe system. MagSafe improved the charging efficiency to 15W while maintaining compatibility with Qi charging, and at the same time, he also interlinked with the numerous magnetic accessories of the iPhone. The iPhone 12 series has filled the pain points such as 5G, but the high cost has also brought the embarrassment of not including a charger.