A Quality Power Banks SOP
Standard Operation Procedure
1.Internal Resistance Test
Test the quality and performance of the battery cell to ensure that the working stability & longtime using life of battery cell, also, testing the discharge capacity of the battery cell.
Evaluate the safety performance of the battery cells and avoid accidents during use.
2.Tinning of battery cells
The electro-chemical properties of tin can improve the energy density and cycle life of lithium-ion batteries.
4.Circuit Board Soldering
5.Wire Bonding
6.Semi-manufactured Testing
It is important to guarantee the final products testing, and find the possible malfunctions before final assemble.
7.Aging for the semi-manufactured goods
The purpose of aging test is to predict the service life of the product for the manufacturer to evaluate or predict the durability of the product produced.
8.Finished product final testing
The final quality guarantee before the package, testing the working function and judge the products pass or return works.
