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최고의 18650 리튬 이온 배터리

The best 18650 lithium-ion battery pack

The 18650 lithium-ion battery pack is a finished lithium-ion battery assembled by different numbers of 18650 li-ion batteries through a protective circuit board. The most important part of the 18650 lithium battery is: 18650 cells, protection circuit board (commonly called PCM board) and battery assembly process production line.

18650 리튬 이온 배터리



1). 18650 cells

The 18650 cell refers to a cylindrical cell with a diameter of 18 mm and a length of 65 mm.

2). Protection circuit board

Composition:
IC: Control
MOS: switch
NTC: negative temperature coefficient resistance
ID: Recognizable resistance
Fuse / Ptc: blow the fuse for protection

3). Battery assembly process production line

With the continuous development of the PACk process and the continuous improvement of the connection method, from the original wire soldering process to the nickel sheet soldering process, to the nickel sheet spot welding process, to the current laser spot welding process, continuous development and progress And the requirements for the battery production process line are getting higher and higher. A mature and professional process production line is an important part of lithium battery production.

So what kind of 18650 li-ion battery pack is the best? From the above introduction we can draw the following conclusions:

1. Using high-quality 18650 cells

A good 18650 lithium-ion battery pack should be composed of first-line brand cells. Qualified and stable suppliers are required to provide single-cell batteries with good performance. The single-cell batteries undergo a series of safety tests and performance tests and are used after they are qualified. In order to ensure the quality of the 18650 lithium battery pack, and assemble a high-quality lithium battery pack. At present, high-quality high-brand batteries are: Sony, Panasonic, Lishen, LG, Samsung, Vapcell, Benzo and so on.

2. Connect high-quality protection circuit board

A good protection board should have functions such as overcharge protection, overdischarge protection, overcurrent protection, short circuit protection, temperature protection, internal resistance, and power consumption. Therefore, when we choose, we should also choose a big brand and a good quality protection board to ensure the safety of the lithium battery.

3. Production on mature and professional production line

For the 18650 lithium-ion battery pack, a high-quality process production line is crucial. Only with advanced equipment, high-tech workers, mature management models, and strict production requirements. That can we ensure that the 18650 li-ion battery pack is welded, tested, There will be no omissions in aging, pre-shipment testing and other important links, and the best 18650 lithium battery pack is produced.

How to prevent buying fake 18650 lithium battery?

When we buy 18650 li-ion batteries, we will inevitably encounter a lot of fakes on the market, how should we avoid buying fake and inferior products? The following points should be noted:

1. Battery protection
2. Packaging of the battery
3. Battery Tester



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