When choosing mobile phones, we will focus on the battery capacity and fast charging power of mobile phones. Although the current mobile phone battery capacity is generally 4000mAh +, mobile power is still indispensable for going out. Nowadays, when we choose mobile power supply, the battery capacity is not the decisive factor, but also depends on the support of fast charging protocol and equipment. < p > < p > the elecjetp20 mobile power supply has a battery capacity of 20000mah, and supports a variety of fast charging protocols such as bidirectional 45W fast charging and PD QC SCP. The maximum output power of 45W can charge your notebook. As long as you go out with this mobile power supply, mobile phones, tablets, laptops can adapt. < p > < p > < p > the mobile power supply P20 adopts a calm and Atmospheric Black main color. The surface of engineering plastic material is coated with skin like coating, and the surface is smooth and delicate. There is a baby skin touch, feel very good. The overall only silver elecjet logo decoration, the overall design atmosphere but not monotonous. < p > < p > P20 this mobile power supply has a large battery capacity, up to 20000mah. Therefore, compared with the general 1000 MAH mobile power supply, its volume is heavier, and its three circumference size and weight also reach 390g. < / P > < p > P20 this mobile power supply is more suitable for business trips, and can power tablet and notebook. If it is a pure play trip, you can choose a lightweight portable power supply. < / P > < p > P20 has two interfaces, one USB and one type-C, which can charge two devices at the same time. There are four dots and a bar indicator next to the type-C interface. Four dot indicator lights show the remaining power of the mobile power supply, while the bar indicator is the fast charging state light, and there will be green light flashing in the fast charging state. < / P > < p > the side of the mobile power supply identifies the relevant output power parameters of each interface, and the battery capacity is 20000mah. The maximum output power of the two interfaces is 55W, the maximum output power of type-C port is 45W, and the maximum output power of usb-a is 18W. High power fast charging equipment like notebook needs to be connected to the type-C port for charging. < / P > < p > there are also many large capacity mobile power supply supporting fast charging in the market, but many manufacturers neglect safety in order to pursue large capacity and fast charging. This kind of power bank will not only accelerate the battery aging of equipment, but also have great security risks. I believe that the majority of consumers, like me, also pay more attention to security, which is very important. The P20 mobile power supply has been certified by China, the United States, Japan, South Korea and Europe, and its security is guaranteed. < / P > < p > business trip must bring mobile power supply. Dianyou P20 not only has a large capacity of 2000mAh, but also can charge notebook. In addition, it supports the fast charging protocol of mainstream manufacturers such as apple, Huawei and Samsung. With such a mobile power supply, 2-3 colleagues of the same industry can use it together, and the security is also guaranteed. Don’t worry that you can’t pass the security check by plane. Business people who travel frequently should not miss it. 865 optimization is different? These mobile phones should teach you a lesson!