What is the difference between a power adapter and a charger

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In our daily life, electronic devices have become an important part of our lives. Whether it's a phone, computer, tablet, household appliance or other portable device, they all need electricity to charge the device. For the power supply of these commonly used devices, we often encounter two common terms: power adapter and charger. While both are related to electricity, there are clear differences between them

Power adapter: A power adapter is a device that converts AC power to DC power , usually used in computers, TVS, radio, audio , Screen, LED lights, household appliances and other electronic equipment. AC DC Power adapter convert the voltage and current to the specifications required by the device to ensure the normal operation of the device. It usually provides a stable power supply directly to the device.

Charger: The charger is a device that converts electrical energy into chemical energy, which is usually used to charge the battery of mobile phones, tablets, laptops and other devices. The charger will convert the direct current output of the power supply into the charging current and voltage required by the device to ensure that the device can be safely charged. The role of the charger is more focused on charging the battery of the device, rather than providing the stable power supply required by the device. Chargers usually have functions such as over current protection and overheat protection to ensure the safety of the charging process.

The main difference between power adapters and chargers is their different functions and uses. The power adapter is a kind of power supply equipment, which can convert 220v/110v domestic electricity voltage into low voltage 6v 12v 24v 36v 48v, etc., to meet the power supply needs of different equipment. The charger is a battery charging device, which can convert the power supply into a voltage and current that can be charged to charge the battery of the device

The following points can be used to distinguish the difference between them :

Appearance: The charger is generally larger than the adapter, and there is an indicator to show the charging status;
Function: The charger can provide stable voltage and current, while the adapter can only provide stable voltage;
Use: The power adapter usually converts alternating current to direct current power supply, and the charger is to charge the battery in the device.


Although the power adapter and the charger have some similarities in appearance and function, they have obvious differences in essence. The power adapter is mainly used to provide a stable power supply to meet the normal operation needs of the device, while the charger focuses on charging the battery of the device. Understanding these differences helps us to better choose and use the power equipment needed when electronic devices.

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