1. The first step of Huawei mobile phone to see whether it is in fast charge, mainly through the charging icon to judge
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2. Step 2 When Huawei mobile phone is not charged, there is no lightning icon
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3. Step 3 When a Huawei mobile phone is normally charged, the charging icon only has a lightning bolt
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4. Step 4 When Huawei mobile phone is fast charging, the charging icon is a big and a small double lightning.
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5. Step 5 When Huawei mobile phone is charged super fast, the charging icon is double big lightning.
Look at the logo on the charger to know whether your phone is fast charging or flash charging. Communication standard YD\/T 1591 mobile phone charger and interface technical requirements and test methods clearly stipulate that the DC input voltage of the charging interface of the mobile phone is 5V±5%, and the maximum absorbed current is 1800mA. Therefore, as long as the output of the adapter breaks through this condition, it can be regarded as fast charging. Flash charge is also a kind of fast charge.
Want to know whether your mobile phone is fast charge or flash charge and then buy a mobile phone when the customer service to introduce you is the mobile phone is fast charge or flash charge, flash charge is a short time when the mobile phone battery is fully charged in ten minutes or twenty minutes, if your mobile phone needs several hours, it must be slow charge ah, if your mobile phone is charged 100% of the electricity in a few minutes, That must be a flash charge
Take OPPO mobile phone R9 as an example, open the mobile phone screen, find the \"Settings\" option on the desktop, click Open to enter.
2, in the Settings screen, find the \"more Settings\" option, open the next step.
3. On the More Settings screen, find the \"Dual Engine Flash Charge\" screen and go to the next step.
4. Turn on the button on the right side of the \"Dual engine flash charge\" option to complete the mobile phone flash charge setting. How the mobile phone displays fast charge, or to see different products. For example, Android mobile phone manufacturers, after opening the fast charge, some tell users through the \"lightning\" icon that they are currently fast charging; Others are displayed with the text \"Fast charging\". And Apple's mobile phone, there is no fast charge information display. At present, there are many fast charge agreements on the market, and there are mobile phone manufacturers' own fast charge agreements, such as OPPO and Huawei; There are also fast charges from chip manufacturers, such as Qualcomm QC and Mediatek PE; And industry common protocol specifications, such as PD fast charge. Among them, Apple's iPhone8 and above models support PD fast charging, so the speed has been greatly improved. The PD charging protocol, which is actually a universal specification for fast charging developed by the USB-IF organization, enables devices to support higher and stronger voltages and currents, delivering power up to 100W. At present, there are more and more flagship mobile phones on the market that support fast charging, and the power is basically more than 18W. Therefore, the charging treasure that supports fast charging is welcomed by many people. The Secretary-General charging bank is a large-capacity, self-contained cable and supports bi-directional PD fast charging products. With the Secretary General charging bank to charge the iPhone11 series, it only takes 30 minutes to full 50% of the battery power, can be said to be very useful.