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E-battery is easy to take out.It mainly divided into two parts,batteries and silica gel circle.Silica gel circle through the viscous material and batteries subject linked,what's more,there is a circle of grooves in it and the positive electrode,then,it is very convenient to take out.
changzhou university changzhou China
changzhou, China
changzhou university changzhou China
changzhou, China
changzhou university changzhou China
changzhou, China
