Supercharging your iPhone in 5 minutes!
Follow this steps!
Minimize power consumption of the device (switch it off)
Maximize power input: use an iPad charger which outputs a nominal 2.1A of current.
1- Put your iPhone in Airplane mode
This will cut all activity that drains your battery
2- Then use a iPad wall charger
Its capable of providing more electricity per second to your Phone
More than any other method
3- iPhone charger have 2.1 AMPS capacity.
The iPhone 6 and UP has been shown to support charging upto 2.1 AMPS
Then start charging your phone and leave it alone
4- The more you turn on the display the more battery you use
So if you go this way to charge your iPhone, you will save 1 hr.
Other than this method, original cables matters
You need use original Apple cables or else cables by Lux
If you use iPad charger always, then it has the potential to hurt an iPhone’s battery over time, unless Apple are specifically doing something to protect it from this.