Specialize in Solution for power lines like wireless chargers and adapters etc. ------- LANTAISI
I think there are several reasons why the tablet does not install wireless charging:
1. Weight issues: iPhone 7 weighs 138 grams, iPhone 8 that supports wireless charging weighs 148 grams, 7Plus weighs 188 grams, 8Plus is 202 grams, when replaced with a glass body, even if the iPhone is so small, it will overweight 10-20 grams. 13ProMax even reaches the top level of 238 grams, which is really a heavy burden on people's hands. Many users of iPadPro also find it heavy. The new 12.9-inch Miniled weighs 40 grams. If it is replaced with a glass body for wireless charging, it may weigh 1-200 grams. This perception is already very obvious, and there will be no big difference between different glass densities and weights. . Now the 11-inch iPad Pro2021 weighs 466 grams, which will become one-third or more heavier at once. I believe that users are not willing. The 12.9-inch iPad is even more unimaginable, not to mention that almost every iPad includes protection Shell + film weight. By the way, only HUAWEI Matepad has wireless charging at present, and its back shell is plastic. Samsung Tab's top model does not have it.
2. Disadvantages of glass material: If the iPad is replaced with glass, due to its structure and weight, it is very likely that the backplane or screen will touch the ground when it falls. Whether it is a super-ceramic crystal or not, it is estimated that it will break on the ground. This will undoubtedly reduce user satisfaction, and it is not thankful. The glass body is good for mobile phones, but not so good for iPad. Moreover, the glass body will make iPad heat dissipation worse, and aluminum alloy metal can be faster. Heat dissipation. However, the heat dissipation of the glass is slower, resulting in poor heat dissipation of the plate.
3. Limited usage scenarios: iPad is not like a mobile phone, which needs to be used for a long time, and the mobile phone will be out of power at any time. The battery capacity of the iPad is much better than that of the iPhone. A light iPad user can use it for several days after charging, while the mobile phone basically needs to be used at any time.
In addition, the iPad's large body is actually not very easy to align with the electromagnetic coil of the charging board. If the iPad electromagnetic coil is made too large, the heat will increase and the user experience will be reduced.
4. The problem of charging rate: iPhone 12 and 13 now support 15W wireless charging, which sounds quite a lot, but it takes more than 3 hours to fully charge, even if it is misaligned, it may even take longer. 12.9-inch iPad, more than 10,000 mAh battery... Do you expect wireless charging? It’s a joke. the rate of wireless charging should not exceed that of wired. At present, the peak of iPad Pro wired can reach 30W, normal About 25W, wireless charging is 15W at the top...Please don’t forget to add loss, I’m afraid it will take 6-10 hours for full charge. I believe that no normal humans can wait for this speed. If the charging power is greatly increased, the heat will be very serious.
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Post time: Dec-23-2021