Power bank inspection:
Different kinds of Power bank quality inspection:
Double usb power bank,mini colorful power bank,stack-up power bank,li-ion power bank,super thin power bank,
external power bank,football shaped power bank,power bank with led lamp,waterproof solar power bank,

Power bank inspection:Portable power bank quality control,power charge quality control
Some common factors of power bank quality control:
1.Apprearance quality:the surface of the product shouldn’t have visible defects(dirty,Scratch mark,etc)
3.Workmanship:defective list
4.Voltage/current Test
5.Charging/Discharging test
6.Measurement :size & weight 
7.Logo 3M Tape test
9.Barcode scan test
10.Basic function test 
11.Life aging test
12. Battery capacity when applicable.

power bank quality control

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