Charging treasure charging is relatively safe, it is the same principle as playing with a mobile phone while charging with a charger, but the phone may have a slight fever in the working state, but the specific risk of charging without a charger is high, after all, 5V
The output of 2A is only 10W, which is not a big power consumption for people, and the power consumption is very impressive for mobile phones, so the mobile phone will heat up.
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A power bank is a device that can charge mobile devices directly and has its own power storage unit. At present, the main categories of the market are multi-functional charging treasure, basically configured with standard USB output, which can basically meet the current market common mobile devices mobile phones, MP3, MP4, PDA, PSP, Bluetooth headphones, digital cameras and other digital products.
Power bank charging is not fast. Of course, mobile phone charging is to use the original charging equipment to charge so that not only charging speed but also charging safety. Do not use the mobile phone when charging, especially when using the poor quality of the charging treasure, charging while using the mobile phone, the speed of power loss is faster than the charging. The owner of the mobile phone should not be using the charging treasure, charging with the original is also slow?