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What is the difference between a power supply and a charger? Can a power supply replace a charger?

Article Source：Kinri Energy | Author：Kinri Energy | Issuing Time：2024.04.15
The difference between power supply and charger



Both power supplies and chargers are devices that provide power to devices, but their functions and usage scenarios differ.

Power supply is mainly used to directly supply power to devices, usually for devices with high electrical power, such as televisions, audio systems, computers, etc. There are various types of power supplies, including plug type, contour type, switch power supply, etc., which can come with different types of interfaces, such as USB and plug.

Chargers are mainly designed for battery devices, such as mobile phones, tablets, etc., to charge the built-in battery of the device. Chargers usually need to convert the power interface into a device charging port and be able to control the battery charging process. The charger has different adapter ports, including USB, Type-C, Lightning, and other types.

Can a power supply replace a charger?

Although both the power supply and charger are devices that power devices, they cannot be used interchangeably. The power supply cannot replace the charger to charge the built-in battery of the device.

On the one hand, the output voltage and current of the power supply are unstable, which cannot guarantee the charging effect; On the other hand, the power supply cannot control the charging process of the battery, which can sometimes lead to issues such as battery heating and reduced battery capacity. Therefore, using a power source instead of a charger can cause damage to the battery.

Meanwhile, due to the need for the charger to convert the power interface into a device charging port, the power interface and charger adapter port are not unified, so the power supply cannot replace the charger.

In short, although power supplies and chargers are devices that provide power to devices, their functions and usage scenarios differ and cannot be replaced by each other. To protect the device battery and extend its lifespan, it is recommended to use a professional charger to charge the device.
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