Fast charge, charge to 61 in half an hourWear and tear. Wear and tear is between 30 and 40 percent. So the ordinary charger is faster than the wireless charger. There are already fast chargers and fast wireless chargers, but the results are the same. For example, the fast charging Samsung S8 takes 90 minutes, then the fast wireless charger takes 190 minutes, which is the result of my own actual testing.
2, charging efficiency: in the case of the same charging time, the commonly used wired battery charger after charging is 93%, and the wireless charger after charging is 88%. Obviously, there is still a gap in the charging efficiency of wireless chargers, and there is also a technical advanceStep improvement space.
3, wireless fast charging is not very fast, nor very slow. Wireless fast charge is much faster than wireless fast charge, and slower than wired fast charge. The power that the charging head wired outputs to the wireless fast charge base is not the wireless fast charge output power but the wireless fast charge input power. Charging time of more than 2 hours of wireless fast charge, not as fast as the wired fast charge of 1 hour and 30 minutes, is not fast charge. Unexpectedly, the wireless fast charging efficiency of 60% when the 18W is charged for 2 and a half hours.
4, the power can be fast enough. It's just an inefficient waste of electricity. Fast charging is efficient and saves timeIn the meantime, wireless charging efficiency is low, as long as the power is increased, the charging time can be shortened.
5, Moreover, according to different wireless charger manufacturers, the current and frequency are not the same. (The students themselves bought one online, it is said that the speed is relatively fast. The way to make it is to connect the metal pole of the wireless charger receiving device to the metal sheet of the charging electrode of your own phone, and then drag the wire outside to receive from the outside.) The heat is caused by the large current in the charger, which leads to obvious heat.
6, the new data shows that while wireless charging may seem convenient, it is efficientBut there is a significant gap. According to in-depth research by OneZero and iFixit, wireless charging technology consumes about 47% more energy on average than wired charging when charging a smartphone, which undoubtedly increases energy consumption. The appeal of wireless charging is that it eliminates the hassle of plugging and unplugging cables, but this is not the case.
Of course, wired charging is fast, the current iPhone wireless charging only supports 15w wireless charging, and wired charging can support a maximum of 22w wired charging.
Call me to choose, definitely choose wired charging After all, the current so-called wireless charging, to contact the wireless charger can be. And wired charging, that is, reliable and can operate the phone while charging. In terms of charging time, the cable is much faster. So, there's no reason to choose wireless charging.
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