How long will it take for the charger to charge my device? (f.e. phone, tablet, mp3-player)

It depends. Please use following method to calculate. 

Devide the capacity of your phone's battery (in mAh) by the output performance of the A-solar charger (in mA). The outcome will tell you what the approximate charging time of your device is.

See technical specifications of the A-solar device for more information about performance.


  • Samsung Galaxy S3
    • Capacity: 2100mAh
  • Power Bank 7000
    • Capcity : 7000mAh
    • Output: 1A (=1000mA) @ 5V 
2100mAh / 1000mA = 2.1 hours


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