Shenzhen YYW Tech. co., ltd. is a professional manufacturer on usb cable, chargers and headphones.
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As smart devices have become more and more important in people’s lives, with the gradual increase of functions, the problem of power consumption of the devices has gradually been exposed, and people have become more and more accustomed to carrying power adapters, that is, People often talk about chargers. What is the difference between this …
A lead-acid battery is a secondary battery whose electrodes are mainly made of lead and its oxides. Its electrolyte is a sulfuric acid solution, the primary component of the positive electrode is lead dioxide, and the primary component of the negative electrode is lead. Because of its relatively mature technology, relatively cheap price, relatively stable …
Portable devices that require high power are generally powered by a battery pack in which two or more batteries are connected in series. If a high-voltage battery is used, the size of the conductor and switch can be made small. Medium-priced industrial power tools generally use batteries with a voltage of 12V to 19.2V; advanced …
According to foreign media, the iPhone 12 series will be released on October 13th, US time. At that time, four new models will be launched simultaneously as a generation product with a major change in appearance. The iPhone 12 is reported to return to the right-angle frame design of the iPhone 4 era. , The …
Huawei today announced the launch of its new flagship mobile phone HUAWEI Mate 40 series for 2020, and released three models including Mate40, Mate40 Pro, and Mate40 Pro+. Among them, Mate40 Pro has five colors, and Mate40 Pro+ has only two colors, ceramic white and ceramic black. Huawei Mate 40 Pro has a body …
Speaking of mobile phone PD fast charging, everyone has experienced it more or less. Now the charging configuration of many Type-C interface mobile phones is almost included in the USB-PD fast charging protocol. So, know what PD fast charge is? What does it have to do with the Type-C interface? Let’s take a look together! …