What factors affect the charging times of powerbank

Now most smartphones are adopted the design of  shall not remove from the back cover, it makes cell phone battery capacity more small.And the emergence of the mobile power supply, to some extent, became the most effective ways to solve the shortage of the mobile power..we take a look at the questions about mobile power charging times.

1．Electricity
We often see tens of thousands of mA power bank, not a fake, so many power does not mean that can be charged to your phone.Nominal capacity is not equal to the actual usable capacity, in the process of energy storage will also lost part of the electricity.
For example, if the battery capacity is 5000 mah, now has a 2500 mah smartphones need to recharge, this does not mean that it can charge your phone twice.Because there is a mobile power conversion rate and conversion rate problem of mobile phone.

2、The output conversion rate
Conversion of high and low is an important standard for determining a mobile power supply is good or bad.If the general mobile power conversion rate at about 80%, so, 10000 ma mobile power only 8000 milliampere actual output.
 
3, Conversion rate of mobile phone
Cell phone also has the concept of conversion rate when charging, because mobile phones in the charging circuit board also lose a part of power, when mobile phones charging it will cause hot problem, this is the consumption of mobile phone battery which  converted into heat energy, and most of the mobile phone conversion rate is from 80% to 90%.
  
4, charging times
After knowing the concept, we can probably calculate how many times does the power bank can charge the mobile phone.
Charging times= power bank capacity * power bank conversion rate * mobile phone conversion/mobile phone battery capacity.

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