The difference between flash charging and fast charging is that the charging speed is not the same, flash charging is faster, the voltage during charging is not the same, flash charging is low voltage fast charging fast charging is high voltage fast charging the heat degree of the mobile phone is not the same, flash charging temperature is low, fast charging temperature is high, the security of the mobile phone is not the same when charging, flash charging is safer, flash charging is a company developed its own fast charging technology, In fact, flash charge is a type of fast charge, but mobile phone manufacturers in order to highlight the advantages of their own research and development of fast charge technology, they use a unique name.