Can a laptop run without a battery?

The laptop can be charged by connecting it to a power adapter directly without a battery , or it can be used together with a power adapter by installing a battery .

The battery is mainly used to store electricity and is an energy storage device. This is the difference between laptops and desktops. Even if the laptop is out of power, it can still be used as long as the battery has power .

You can use your laptop without a battery

Laptops can be directly connected to a power adapter for charging and can work normally even without a battery. This is only theoretically possible, but when a laptop is used without a battery , it loses its ability to resist power outages, and important data being run will be lost. Accidental power outages may also damage the hard drive.

If your laptop does not have a battery installed but needs to be used for a long time and cannot guarantee a continuous supply of stable external power, it is best to equip it with a reliable, original or officially recommended battery that meets the specifications and is suitable for this model of laptop. This can ensure normal use and avoid problems such as data loss and hardware damage caused by sudden disconnection.

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No need to remove the battery when connecting to power

Some friends worry that deep discharge or even over-discharge will irreparably damage the battery . When the laptop is connected to an external power source, they will remove the battery in order to protect the battery. Because many people think that laptop batteries only have a lifespan of a few hundred times, they are worried that not removing the battery when connected to an external power source means charging the battery, which will shorten its lifespan.

There is no need to remove the battery when the laptop is connected to a power source for the following three reasons:

1. Laptop batteries now have perfect control circuits. When the battery is fully charged, the external power supply will automatically cut off the power to the battery. At this time, the laptop uses the external current instead of the current in the battery. Therefore, there will be no frequent charging and discharging phenomenon.

2. The biggest factor that affects battery life is not frequent charging and discharging, but temperature. Too high or too low temperature will affect battery life.

3. Data is easily lost on a laptop without a battery. Once a sudden power outage occurs, unsaved data is difficult to retrieve.

In addition, when using the battery, you should be careful not to wait until the power drops to a very low level before charging. As long as the battery has consumed power, we can charge it, because the less power the battery consumes, the lower the depth of charge and discharge, the more times the battery can be charged and the longer its life.

How to maintain laptop battery

Only by correctly charging and discharging the battery can it be used safely and maintain its normal service life.

In daily use, here are some battery care precautions:

1. Avoid letting the battery run out completely: Try to avoid letting the battery run out completely, as frequent full discharges will reduce the battery life. If possible, charge the battery when it has 20% to 30% of its capacity.

2. Avoid overcharging: Similarly, overcharging will also affect the life of the battery. Once the battery is fully charged, unplug the power adapter and stop the charging operation.

3. Keep the battery ventilated: When using the computer, ensure that there is adequate ventilation around the battery to avoid overheating. Excessive heat will have a negative impact on battery life.

4. Avoid frequent charging/discharging: Although modern laptop batteries do not have the so-called “memory effect”, frequent charging and discharging will also reduce the life of the battery. Try to keep the battery at a moderate power level (20% to 80%) and avoid frequent plugging and unplugging.

5. Charge properly when not in use: If you do not use your laptop for a long time, it is recommended to charge the battery to about 50% capacity every few months. This helps maintain the battery’s condition.

Finally, if you want to learn more about batteries, please visit:BatteryMall.com/blogs/support