Get annoyed of seeing the alert, When you are playing your favorite game, surfing the Internet or playing pleasant music, all of sudden an alert pop-up on your screen "Low Battery: 10% of remaining", distract your mind from your entertainment and at such as situation, its feel annoying. I dislike this type of message for interruption when I am entertaining my phone.
Many people having the same problem, but now there is a way out to get rid of low power alerts, it is called 'NoLowPowerAlert'.
NoLowPowerAlert is an extremely simple tweak with no options to configure. It allows you to completely disable the low power alerts that pop up on your iOS device when your battery hits 20 or 10 percent of remaining power. Have a look at our walk through inside to see how it works in action."
As there is no option to configure this tweak just download from the Big Boss Cydia repository and install on your iOS device.
If you have not jailbreak your device, go for it first from here and experiment some new tweaks.