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Generally 18650 lithium battery pack includes:
18650 battery, battery protection board, connecting nickel sheet, insulating paper, wire, PVC outer package, connector, key switch, power indicator light and auxiliary material (EVA), plastic bracket make up pack.
Large capacity 18650 battery capacity is generally between 1200 mAh ~ 3600mAh, while the general battery capacity is only about 800mAh. If combined into 18650 battery, 18650 battery pack can easily break through 5000mAh, with long life, high safety performance, 18650 lithium battery, non-toxic and pollution-free. The cycle number of the lithium battery pack processing equipment is more than 500 times, high temperature performance, 65 degree lower limit discharge efficiency is 100%.
In order to prevent battery short circuit, 18650 lithium battery positive and negative are separated. Therefore, the possibility of short circuit has been reduced to the extreme, and the protection board can be added to avoid overcharge and excessive discharge of the battery, which also extends the service life of the battery. The voltage of 18650 lithium battery produced by lithium battery spot welding machine is generally 3.6V, 3.8V and 4.2V, which is much higher than that of Ni Cd and Ni MH batteries.
The whole process of assembling power 18650 battery: lithium battery sorter - auxiliary materials on the cell - assembly fixtures (including nickel strips) - spot welding - tin welding (protection plate wire) - semi-finished product test - packaging (PVC) - finished product aging test - finished product completion
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