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What is a charger and power adapter

Update:15-06-2019
Summary:

Charger: English name Charger, usually refers to a devi […]

Charger: English name Charger, usually refers to a device that converts AC power into low-voltage DC power. The charger is a dedicated DC power supply for rechargeable batteries. It includes internal current limiting and voltage limiting to meet the charging characteristics. Circuit.
Chargers are widely used in various fields, especially in the field of life, and are widely used in electric vehicles, flashlights and other common electrical appliances. It generally charges the battery directly, without passing through any intermediary devices and devices.
The flow of the charger is: constant current - constant voltage - turbulence, three-stage intelligent charging. The three-stage charging theory in the charging process can greatly improve the charging efficiency of the battery, shorten the charging time, and effectively extend the battery life. The three-stage charging adopts constant current charging, constant voltage charging, and finally uses floating charging for maintenance charging.
Power adapter: English name Adapter, the common power adapter on the market is a power converter that is transformed, rectified and regulated. The output is DC. It can be understood as a low-voltage regulated power supply when the power is satisfied.
Power adapters are widely used in routers, telephone handsets, game consoles, language repeaters, walkmans, notebooks, mobile phones and other devices. Most power adapters can automatically detect 100 to 240V AC (50/60Hz).
The power adapter is a power supply conversion device for small portable electronic devices and electronic appliances. It connects the power supply externally and connects to the host computer by a line. This can reduce the size and weight of the mainframe. Only a very small number of devices and electrical appliances are built into the mainframe.
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