The difference between fast charging and slow charging: First, the speed is different.
Fast charge generally charges the phone, and it can charge 50 to 70 percent of the electricity every half hour. The slow charge takes two or three hours to reach 50 percent.
Second, the principle is different.
Fast charge is to increase the current to achieve a rapid charge to the mobile phone, slow charge is ordinary charging, small flow to the mobile phone fully charged.
The third is the difference in quality.
Fast charging appliances and slow charging appliances of the same price, fast charging appliances will break first, because the loss of fast charging appliances is larger.
Fourth, the price is different. Fast charging devices are slightly more expensive than slow charging devices. The difference is about 20 to 50.