Huawei’s Super Charge fast charging technology was announced at the end of last year. It can charge half of the power of the mobile phone in 5 minutes, and it claims that it will not cause any loss of long-term life and maximum capacity of the battery. . Moreover, Huawei has also published their test videos before. A battery with a capacity of 600 mAh and a battery with a capacity of 3000 mAh were tested at the same time. The battery with a capacity of 600mAh was charged in 2 minutes. The battery with a capacity of 3000mAh only charged 68%. 48 can be charged in 5 minutes, which is much faster than Qualcomm’s Quick Charge 3.0 fast charging technology. The technical specifications of Huawei Super Charge are 4.5V/5A.
At the beginning of the year, Honor Magic took the lead in commercializing many forward-looking technologies in the name of "for the future." Among them, Magic Power has a peak power of 40W (5V/8A), a low-voltage and high-current solution. The work of DC/DC voltage reduction is placed on the adapter side. The adapter directly generates a constant current source to charge the battery core, bypassing the charging management IC in the mobile phone and avoiding the high heat generated by the "high voltage to low voltage" conversion inside the body. , so the charging temperature is lower, which is helpful to increase the charging speed.
To summarize and refine, based on the current technical means, there are two general directions for increasing the charging speed: one is to increase the voltage, and the other is to increase the current. Increasing the voltage will increase the heat generated during charging, accelerate battery aging and may cause safety hazards, so the actual effect is not good. In contrast, increasing the current is much safer. No matter what kind of fast charging solution is used, there will definitely be a certain loss of battery, which requires manufacturers to make technological breakthroughs.