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The advantages and disadvantages of the USB charger on the impact of the battery is to use the device will often see which prompts must be to use the matching USB charger for battery charging, this is of course not something out of nothing, it should be known is that the charging effect of different models of the USB charger is not the same. For example, now commonly used in cell phones on the charger, this charger is the existence of many models.
So why is there no problem using various incompatible chargers in real life? In fact, it is very simple, this is because although the power supply of various chargers is different, but basically the gap is not big, there will not be a 1A and another 10A such a situation. So that to a certain extent are able to achieve almost the same effect. But at the same time should know that the use of incompatible chargers of different models or should carefully observe the difference in power parameters.
First of all, the voltage, the output voltage of this type of charger from 4V to 6V are present, and can also be used in the charging of specific devices, followed by the current, now on the market can be seen in the cell phone charging current provided by the general are three kinds of, the first is 500ma, the second is 700ma and finally is 1A. These chargers are different in power output alone, and in fact, the internal design of the charger is there is a variety of different details of the differences, so that in general the various USB chargers are not compatible.
Voltage parameters generally do not differ by more than 0.5V
The biggest difference between different chargers is the charging current, I think the charger's current parameter is generally best not to differ more than 100ma, the current for the role of the battery is direct, and the battery so can be charged is actually because of the role of the current. Too much current will lead to the deterioration of the chemical elements inside the battery. So the battery can not be used.
In the use of USB charger voltage parameters and standard parameters is best not to exceed 0.5V for example, a battery is 4V input charging, up to 4.5V or 3.5V, once the use of such a standard range of voltage, first of all, it is possible to lead to can not be charged, and secondly, even if the charging can be carried out normally is also for the battery to produce certain The fundamental reason is that the battery is also a kind of access, and the voltage gathered at both ends of the battery is too large if it will destroy the internal structure of the battery.