QA & QC of Li Polymer Battery

Quality Assurance & Quality Control is our guarantee to our customers

Production Process

Quality Control Video for Li Polymer Battery Production

Materials of Li Polymer Battery

The graphite, pure water & lithium cobalt oxide we purchase from quality material suppliers. They are put into a vacuum high-speed stirring machine for more than 12 hours to ensure that the density of the entire cylinder of raw materials.

Coating of Li Polymer Battery

High-precision thermostatic coating machine and laser keep the same thickness tolerance less than 1µm.

The sheet of Li Polymer Battery

Precision automatic roll machine to ensure the height of the pole piece of the same thickness; ultrasonic welding makes pole piece and perfect pole combination, welding firm, low resistance. Hundreds of points knife mold, so you no longer need to open a small batch of mold trouble.

Wrapping of Li Polymer Battery

We bought aluminum-plastic film from Japan without wrinkles, rupture. The automatic winding machine makes the consistency of the core volume. The high-temperature sealing machine seals the edge of lithium polymer battery to insulate of air moisture.

Baking of Li Polymer Battery

Our vacuum roasters bake the lithium polymer batteries under 75-80 degrees more than 36 hours adequately.

Aging & grading of Li Polymer Battery

Constant temperature cabinet activates the lithium polymer battery. High-precision cabinet test the real capacity & curve of each cell.

Assembling of Li Polymer Battery

The point inspection for internal resistance & voltage before assembling PCM, wires & connector. We do another testing again for the above items after collecting.

Packing of Li Polymer Battery

Checking each the surface of lithium polymer battery & quantity when we put them into the groove of plastic trays. All trays are fixed by wrapping film without rocking. Sturdy cartons are fit for internal shipment by air or by sea.


Reach Us

Get an answer before you buy the battery from the li polymer battery website. Whether a price quote or a Specification&Datasheet request from our battery section, you can count on our lightning-fast follow up and get a fast & professional reply within 12 hours.

Bldg 4A, Jinfeng Industrial Zone, Chongqing Road, Shenzhen, China 518000

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