In everyday life, we may encounter this problem: After the computer USB to charge your smartphone, phone
After consumption rate than it seems to be faster with the charger, then in the end is what causes this phenomenon?
To charge the phone using a computer after not durable reason is that our phone is actually not fully charged .
In other words, although we charge smartphone display is 100%, but in fact this is the virtual power. For example, if electricity
Pool is a bottle, then, that the use of stones to fill him up, you can still fill it means a lot of water, but in the computer USB
To charge your smartphone is not "hold water" to this link.
Why is there such a situation? In fact, this mobile phone battery charging and the way. Phone charging ways
, The first rapid charging, and the final stage of charging needs to trickle charge (like into the bottle filled with water), it's only really
Positive fully charged.
The so-called trickle charge is mainly used to compensate for the loss of battery capacity after full due to self-discharge caused. Wisdom Hand
After the machine's battery is fully charged, due to the loss of self-discharge capacity is about 5% of the standard capacity, if not irreparable
Then this part of the 5% it is easy to believe that the battery power at a faster rate.
However, the current trickle is too small, and the process is very slow, but we tend to pull down the line will advance,
The result is an instant 5% of the electricity is gone, even if the phone displays the power is still 100%, which is only electricity
Amount of algorithmic problems.
In addition, the computer's USB voltage is 5V, the voltage can not actually meet current smartphone that 9V / 12V fast
Charge demand (ie computer USB charging is very slow), but also reach the current trickle charge standards, so everyone will feel
PC USB phone was fully satisfied, even though the "full" will feel the phone down quickly
In this case, we have to consider a problem, use computer USB to charge your smartphone safe? Will
Give us some aspects of the smart phone battery to bring harm it?
For such problems, the use of computer USB to charge your smartphone is very safe, and the battery will not bring
Damage. The reason is that now the phone whether it is a computer or USB charger to charge through the same
Of a USB cable. Different charging mode there is only the difference between the charging current aspects of regular charger and computer USB
Only difference is reflected in the charging speed.
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