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How To Distinguish Battery Charger And Power Adapters

  How to distinguish Battery Charger and power adapters

  A charger usually refers to a device that converts alternating current into low-voltage direct current, which includes a current limiting, limiting voltage, etc. control circuit that satisfies the charging characteristics

  Power adapter is a transformer, rectifier and regulator power converter, the output is DC, in the case of power can be understood as low-voltage power supply.

  Battery Charger are widely used in various fields, especially in the field of life is widely used in electric vehicles, flashlights and other common appliances. It is generally charged directly to the battery, not through any intermediary equipment and devices.

  The three-stage charging theory in the charging process can greatly improve the charging efficiency of the battery, shorten the charging time, and can effectively extend the battery life. Three-stage charge using the first constant current charging, and then constant voltage charging, Battery Charger and finally the use of floating charge maintenance charge.

  Generally divided into fast charging, make up the charge, trickle charge three stages:

  Fast charge stage: with a large current to charge the battery to quickly restore the battery power, charging rate can reach more than 1C, then the charging voltage is low, Battery Charger but will limit the charge current within a certain range.

  Make up the charging phase: relative to the fast charging phase, make up the charging phase can be called slow charging stage. When the fast charge phase is terminated, the battery is not fully charged and the complementary charging process is added. The charge rate is typically not more than 0.3C because the battery voltage is raised after the fast charging phase, so the charging voltage at the charging stage Should be improved, Battery Charger and constant within a certain range.

  Trickle charge stage: At the end of the charging phase, when the temperature rise exceeds the limit value or the charge current is reduced to a certain value, the charge is started with a smaller current until a certain condition is satisfied and the charge is terminated.

  Power adapter is widely equipped with routers, telephone sub-machine, game consoles, language repeaters, Walkman, notebook, mobile phones and other equipment. Most of the power adapter can automatically detect 100 ~ 240V AC (50 / 60Hz).


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