Conversely, if you store it fully charged for an extended period of time, the battery may lose some capacity, leading to shorter battery life.” Extreme temperatures will also shorten cell phone battery life and your case could actually be trapping heat in your phone while it charges so let it recharge in the buff as much as possible.
Finally, consider a battery saver app to keep tabs on your phone’s usage for you. JuiceDefender and Greenify are two good ones for Android while Battery Dr. Pro or Battery HD work on iPhones.
