What does 2A mean for power supply?


What does 2A mean for power supply? The A stands for amperes, which is the unit used to measure electrical current. A 1A output means that the power supply or charger can deliver a maximum current of 1 ampere. Similarly, a 2A output means that the power supply or charger can deliver a maximum current of 2 amperes.


Is fast charging better 2A or 3A?

smartphones takes only the power it needs or handles upto. so you wont see any difference between 3A charger and 2A charger if your phone can support upto 5V 2A charging. But if your phone can take 3A of higher, You will find 3A charger faster than 2A charger As it takes more power available to charge the battery.


What does 2A charger mean?

2A is the amount of amperage that is suggested to recharge the battery. This dose not mean that a transformer of lesser amperage won't charge it it would just take longe. Think of amperage as a pipe the larger than amperage the bigger the pipe.