Huawei P 10 is equipped with a large battery of 3200mAh. In the face of such a large amount of electricity, charging speed is particularly important. With the development of charging technology, Huawei P 10 adopts Huawei's latest fast charging technology-Huawei SuperCharge.
According to the current charging state of the battery, intelligently output voltage and current to directly charge the battery, which effectively improves the charging efficiency. It only takes five minutes to charge 10% electricity, and only 30 minutes to charge 58% electricity.
Huawei P 10 has a 15-layer security protection mechanism, which supports low-voltage fast charging. It can also eliminate potential safety hazards from charger to battery design with super security protection mechanism to ensure fast and safe charging.
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Basic principle of unlimited charging:
Electromagnetic induction type
Alternating current with a certain frequency in the primary coil generates a certain current in the secondary coil through electromagnetic induction, thus transferring energy from the transmitting end to the receiving end.
At present, the most common charging scheme is electromagnetic induction. In fact, there is not much mystery in the technical realization of electromagnetic induction solution. As early as 65438+February 2005, China BYD Company applied for the patent of non-contact induction charger, which adopted electromagnetic induction technology.
Magnetic field vibration
It consists of an energy transmitter and an energy receiver. When two devices are tuned to the same frequency or vibrate at a specific frequency, they can exchange energy with each other, which is a technology being studied at present.
The research team led by Marin Soljacic, a physics professor at Massachusetts Institute of Technology (MIT), used this technology to light a 60-watt light bulb two meters away and named it WiTricity. The coil used in this experiment has a diameter of 50cm and cannot be commercialized. If the coil size is reduced, the received power will naturally decrease.
Radio wave type
This is a mature technology, similar to the crystal receiver used in the early days. It is mainly composed of microwave transmitter and microwave receiver. It can capture the energy of radio waves bouncing off the wall and keep a stable DC voltage while adjusting according to the load. This method only needs a transmitter installed on a wall plug and a "mosquito" receiver that can be installed on any low-voltage product.
Baidu Encyclopedia-Wireless Charging Technology