G33K-TRICKS - Your source to Tips and Tricks : Charge mobile faster with short USB cables

Saturday, June 11, 2016

Charge mobile faster with short USB cables



Recently I came across with an nice android app called "Ampere".
Yes, it provides the current flowing into your mobile i.e while charging and also the amount of current being consumed by your smartphone while discharging.
With this app running on my mobile, I ran an small experiment.


Here are my observations,



Scenario Charging or Not Min
Current
Max
Current
Laptop - USB long cable Laptop charging 770mA 840mA
Laptop - USB long cable On battery 750mA 780mA
Laptop - USB Short Cable On battery 1150mA 1180mA
Laptop - USB Short Cable Laptop charging 1150mA 1180mA

The same goes when charging using the chargers.
With long USB cable the charging current was 890mA and with short USB cable it was 1460mA.
Charger rating was Input--0.6A, Output -- 6V- 2000mA
Its clearly seen,there is difference of 400mA  and that's a bummer if you use long USB cable.
It can be easily concluded from above table as well that using Short USB cable to charge will definitely decrease the  charging time i.e will charge your mobile or another device quicker.
And also, it does not  matter whether your laptop is charging or not the power being drawn from the USB port of laptop remains almost same.

You can also download the app from here Ampere Android app
and can understand how fast your mobile is charging with the cable you have or do you need to replace your usb charging cable.

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