How To Keep Your Iphone Charged Longer. The internal battery charger will take only what it needs. For example if you are working on your computer just put your iPhone on.

Its sleek elegant and comes with tons of features that leave most consumers amazed. The power source needs to supply at least 1 amp to charge an iPhone and 2 amps to charge an iPad. Note however that a power source that can supply more than these values is OK to use.
Dont keep the iPhone idle for a long time with a full charge or a zero charge.
How to make your iPhone battery last longer. If you want to keep your iPhone healthy charge it right that means not at night. As long as they are in your arms reach you can keep your iPhone on charge whenever not in use. For example keep iPhone half-charged when its stored for the long term.

