What is the 18650 battery pack?

2022/04/02

  Author :Iflowpower – Portable Power Station Supplier

Generally 18650 lithium-ion batteries are passed in parallel, such as 20000mAh of mobile power supplies, is generally included by 8 2600mAh batteries or 6 3400mAh 18650 batteries. The capacity of 3.7V is added in parallel, and then the voltage is increased in series, 2 series is 3.

7 * 2 = 7.4V, three 12.6V, and so on.

Typically, electric cars, laptop batteries are to be connected in series through the multi-battery to 12V or 36V48V72V, etc., when the capacity or quality of the battery is not equal, there is always one more, there is always a lot of maintenance. The short plate principle like a wooden barrel, a battery or a set of batteries that affect the total battery voltage and capacity of the entire battery pack.

The impact is, such as notebooks, generally 2 and 3 strings, constitute 10.8V to 12.6V batteries.

A group of 2 parallel batteries will be depleted first, and the entire battery will decrease, the battery is short, the battery is fast, the charging speed is fast, and the electricity is also fast. Electric cars and other devices are also the same. At this time, you need to replace the battery pack, prevent the tub effect (the short plate principle of the bucket can be put on the shortest panel of the wooden barrel).

This allows the battery to be balanced and extend the service life.

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