Introduction: Laptops bring a lot of convenience to our work. They are not only easy to carry, but can also be used when the power is off. For a period of time, what should we do when the built-in battery of the laptop is not enough? At this time, the external battery plays a big role. The editor below will take you to see whether an external battery can charge a laptop? If so, what issues should you pay attention to?

1. Can a laptop use an external battery?

When the battery inside the laptop runs out, we need to use an external battery , or when we don’t want to use the battery that comes with the laptop, we can also use an external battery. When we use an external battery, the battery that comes with the notebook should be placed inside the notebook, because when the battery is full, it will automatically enter a sleep state, which generally will not greatly affect the service life of the notebook. Let's take a look at the advantages and disadvantages of placing the battery inside the computer when connecting the notebook to an external battery.

2. When a laptop uses an external battery, the advantages of placing the battery inside:

If the laptop's built-in battery is used with an external battery, it can complete the smart switching function. If the power is cut off and the external battery no longer supplies power, the laptop will automatically switch into a battery for power supply, so that when we use notesWhen the computer is working, there will be no loss of data. The battery inside the laptop can completely protect our data; or when the hard drive of the laptop or the circuit inside the computer fails, the battery inside the laptop can completely protect the data. The battery can also avoid this problem.

3. When a laptop uses an external battery, the disadvantages of placing the battery inside are:

If the laptop battery is left in the notebook for a long time, it will have some impact on the battery life of the laptop, but the impact is not very big; another disadvantage is that if the laptop is connected to an external battery for a long time Placing the built-in battery in the laptop will affect the life of the laptop, because the laptop will dissipate a lot of heat when used for a long time, which will also affect the life of the laptop battery. All in all, leaving the built-in battery in the notebook for a long time will not have a great impact on the notebook.

4. Laptop maintenance:

1. The battery of the laptop cannot be fully Recharge only when the battery is fully used up. The battery can be charged when it has about 10% remaining power.

　2. When using an external battery in a laptop, try not to take out the built-in battery, as this will be safer.