There are three different points on the one side.
1: fake indicator light diameter is large; real one is small
2: fake MicroUSB black
3: fake USB top port is white
Real PowerBank is using the LG batteries, and batteries and PCB connection handle very well.
Fake PowerBank batteries used the miscellaneous brands, and positive and
negative terminals connection only through a thin line, the output
current is high, the wire will heat.