How to identify 3 and 6 cell laptop batteries?

Introduction How to identify 3 and 6 cell laptop batteries? Formula: number of cells = number of series connections * number of parallel connections Here is an example to illustrate, such as your battery label specifications.

How to identify 3 and 6 cell laptop batteries?

Formula: Number of cells = number of serial connections * number of parallel connections

The following is an example. For example, your battery label specifications are 11.1V (volts), 4400mAh (mAh).

Cell Count Calculation:

11.1V represents the battery voltage specification, which represents the number of cells in series inside the battery. If you look at the specifications of cell phone batteries (single cell), they usually say 3.6V or 3.7V, so 11.1V is three times 3.7V, so the number of series connections for this battery is three.

Battery voltage specifications are generally 11.1V (three strings) and 14.8V (four strings). The voltage specifications of each battery type are fixed.

4400 mAh (mAh) indicates the battery capacity specification and represents the battery endurance. Usually it ist measured in mAh (milliamp-hours). It represents the number of cells connected in parallel. Generally, the capacity of a single lithium battery is 2200, 2400, 2600 mAh (or even more). And this 4,400 mAh is double the 2,200 mAh, so the parallel number of this battery is two.

This number of parallel connections is not fixed for batteries. The number of parallel connections for the same battery model can be increased.

So, using the example above, this battery is: 3 (series) * 2 (parallel) = 6 cells

And sometimes you will see the same battery on the walk. The model The battery has a 6 cell version and a 9 cell version. The number of parallel connections is increased by 1 to become a 9 cell version. But note that the number of concatenations will not change.

Laptop lithium-ion battery problem

1.5 to 3 hours.

Under normal circumstances, a baNo power supply can be considered provided that it can be charged and discharged 500 times. After all, this type of mobile power supply is suitable for ordinary consumers considering the price and usage time.

The rated capacity of the power bank is only the total energy of the cells. One cell is 3,300 mAh, so the energy of three cells is 9,900 mAh, which is close to 10,000 mAh. When this rated energy is transmitted to electronic devices such as cell phones, some will be lost. Actual output energy/total cell energy = conversion rate.

Detailed information:

< p>Precautions for using the power bank:

It is inevitable to be exposed to sunlight and rain. It is best to place the power bank in a dry and mild environment. If she entersre in contact with a liquid, this will easily cause corrosion of the circuit. High temperature can shorten the life of electronic components and cause plastic aging.

Also avoid using it outdoors in cold weather or low temperatures. The operating temperature of lithium batteries is basically between 0 and 55 degrees. If it is too low, battery operation will be unstable and discharge will not be sufficient.

The operating temperature of general lithium-ion batteries is 0 to 35 degrees. Use a power bank to charge quickly. When charging, try to avoid using it when the temperature is too high or too low. If the temperature is too low, the discharge will be insufficient. If the temperature is too high, its lifespan will be shortened.

Baidu Encyclopedia - Power Bank

Although the computer batteryOur laptop appears to be one piece, it is actually made of lithium batteries slightly larger than AA batteries connected in parallel and the voltage and volt-ampere of series connection, let's talk about the difference between 6 cells and 3 cells means that the battery is composed of 6 lithium batteries and 3 cells is 3. If calculated like this. , the 3-cell battery should It is a parallel combination, and the battery capacity is 1600 mAh. For 6 cell batteries, God knows in what order they are combined in parallel and connected. the 3 cell battery should be bigger and the overall capacity is also bigger

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