Generally speaking, the power adapter and the charger are not the same thing, the former is a power switch, used to provide energy; The latter is used to charge the battery, which will be charged in stages according to the battery capacity and charging characteristics
There are mainly the following points:
1.Different ingredients
1, power adapter: is a small portable electronic equipment and power conversion equipment of electronic appliances. It is composed of shell, transformer, inductor, capacitor, control chip, printed circuit board and so on.
2, the charger: by a stable power supply (mainly stable power supply, stable working voltage and enough current) plus the necessary constant current, voltage limit, time limit and other control circuit.

Second, different current modes
1, power adapter: from AC input to DC output, indicating power supply, input and output voltage, current and other indicators.
2.Charger: constant current limited voltage charging system. Generally, the charging current is about C2, that is, the 2-hour charging rate is used. For example, the 250 mah charging rate of a 500mah battery is about 4 hours.

Three, different characteristics
1, power adapter: The correct power adapter requires safety certification. Safety certified power adapters protect your body. Prevent electric shock, fire and other hazards.
2, charger: It is normal for the battery to have a slight temperature rise in the late charging period, but if the battery is obviously hot, it means that the charger cannot detect that the battery is saturated in time, resulting in overcharging, which is harmful to the battery life
