A lithium battery capacity indicator module measures the voltage of a lithium-ion battery and displays the remaining capacity as a percentage. To use the module, connect it to the battery and turn it on. The LED display will show the battery capacity. Monitor the battery capacity as it discharges. Follow all safety precautions when working with lithium-ion battery packs.


What is Lithium Ion?

Lithium-ion (Li-ion) is a type of rechargeable battery commonly used in high portable electronic devices such as smartphones, laptops, and cameras and some home application we are also use in car battery. They are also used in electric vehicles, renewable energy storage systems, and other applications.

Lithium-ion batteries have a high energy density, which means they can store a lot of energy in a relatively small and lightweight package. They also have a long cycle life, which means they can be charged and discharged many times before they need to be replaced. Because it is rechargeable. 

The basic principle behind a lithium-ion battery is the movement of lithium ions from the positive electrode (cathode ion) to the negative electrode (anode ion) during charging, and the reverse process during discharge. The movement of these ions generates an electrical current that can be used to power devices like phone, power bank. Lithium-ion batteries are known for their fast charging times and low self-discharge rates because it have fast charging capacity , which make them ideals for use in portable electronic items.


Lithium Ion Use as Batteries

Lithium-ion batteries are used in a most of the applications, including portable electronic devices, electric vehicles, and renewable energy storage in your system. Here is  a brief overview  to how lithium-ion batteries are used as a battery which are given below:

  1. Charging: Lithium-ion batteries are charged using a li-ion battery charger or other device that provides a specific voltage and current to the battery. The charger is designed to check that the battery is not overcharged, which can cause damage into the battery or even result in a fire or it will harm your system.
  2. Discharging: When the battery is connected to a device, the stored energy in the battery is used to power the device and after we use it the battery discharges, the voltage decreases until it reaches a pre-determined minimum level, at which point the battery needs to be recharged at some point of time.
  3. Protection: Lithium-ion batteries have built-in protection circuits that prevent overcharging, over-discharging, and short circuits. These circuits help to ensure the safe operation of the battery and prevent damage to the device it is powering and for extra supply.


Lithium Batteries Indicator

 Battery Capacity Indicator Module

The lithium-ion battery percentage indicator is a feature widely found in electronic devices such as smartphones, laptops, and tablets. It shows the remaining charge of the battery as a percentage, usually displayed in the status bar of the device.

The percentage indicator is a useful tool for users to determine how much battery life is left and when they need to recharge their device. It is based on the voltage of the battery and the capacity of the battery, which are both measured by the device's battery management system.

As the battery discharges, the percentage indicator decreases. The percentage indicator can also be used to monitor the battery value and a battery that consistently shows a lower percentage than expected may indicate that the battery capacity has decreased over the pass time.

It's important to note that the accuracy of the percentage indicator can be affected by factors such as the age of the battery, temperature, usage patterns. Short circuit when it was fall down therefore, it's a good idea to use the percentage indicator as a general guide and not rely on it as the only indicator of battery life.


Some Important Points are Mention

There is four line indicator each line indicate 25% of battery range. First line show 25% and second line show you 50% of capacity, third show 75% and forth show 100% capacity.

Here we can see we can use it to measure multi range of battery like 3.7v, 11v, 16v, 32v.

  • Slot 1:- if you want to short S1 then you can measure 3v to 4.2v
  • Slot 2:- if you want to short S2 then you can measure 6v to 8.4v .
  • Slot 3:- If you want to short S3 then you can measure 1v to 12.6v .
  • Slot 4:- If you want to short S4 then you can measure 2v to 16.6v.

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