Hi guys! Today, I will introduce to you how to make lithium batteries which used in life.

The Videos In the process, the PACK is a 12V 24AH lithium ion battery, the number of which is ordered by a German customer is 20,000, and the application: a tennis ball machine lithium ion battery.
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1.First, to package all the cells with insulating paper.

2.Place the battery cells according to the design structure and fix them with glue.

3.Use nickel sheets to connect the cells in parallel by spot welding.

4.Battery cells which connected in parallel are separated by insulating paper and assembled together. Welded the battery with the data collection line together and then weld the positive and negative wires by solder wire in turn.

5.Fix a BMS board on the top of battery pack with insulation paper that can collect data such as battery voltage and capacity.
(The BMS protection board can monitor the battery status in every time, and provide protections such as over-charge, over-discharge, over-current, and over-temperature when necessary)

6.To weld the positive and negative terminals of the battery pack to the BMS board.

7.Connect the data collection line to the BMS board and then test the voltage and internal resistance.

8.After testing, use insulating waterproof glue to seal the exposed wires.

9.Paste the buffer insulation sponge on the bottom and put it into the ABS box, and connect the positive and negative wires to the positive and negative ports of the box cover.

10.Inject waterproof glue into the space around the box to fix the battery pack. After 3 hours of drying, a battery that can be recycled for more than 2000 times is finished.