Probably the most important tips provided by users and experts alike is always to regulate the temperature where the iPhone operates. The lithium-ion (Li-ion) battery with the iPhone functions finest in temperatures ranging from 32 to 95 degrees, or 0 to 35 degrees Celsius. At its extremities, the iPhone can certainly still function between -4 and 113 degrees Fahrenheit (-20 to 45 degrees Celsius) but temperatures beyond these ranges will probably be detrimental to your iPhone battery. Quite simply, leaving your iPhone inside a freezer or in a warm car is probably not a good idea. Keep it out of direct sunlight as well. – battery
This next tip culled from forums and the like is not so clear-cut. There are a few who claim that allowing the iPhone battery to fully discharge more than once monthly is not advisable, while some believe that no harm can come of it. What appears to have a consensus would be that the iPhone battery has to be fully discharged from your full a discharge once a month in order to reset it meter.
It is also beneficial to have an idea of your actual usage along with your battery life in order that you can more completely understand your options. You can view your usage statistics within the Settings Menu beneath the General Tab then Usage. You will notice Usage, which is the time the iPhone was in active mode therefore you were on a call, watching a relevant video, listening to music, browsing the net, and so on. It will also show your Standby time, which is total amount of time the iPhone has been running from its last full charge, whether in active mode or otherwise not. Usage divided by Standby time will give you a percentage of the time you were actively using your iPhone. The larger this percentage, a lot more you will need to charge your iPhone, so plan accordingly.
Updating for the latest official sort of the software using iTunes will let you with taking care of the iPhone battery, but that’s still up for grabs. Many folks complain that the update from three to 3.1 wreaked damage to some applications. However, updates and patches should help improve the performance, so maybe that last one would be a bit of a fluke. At any rate, before updating your software, browse the forums to see exactly what the feedback is from those who have already updated their software.
As well as, the old standby of utilizing on the applications you’ll need, turning off push, 3G and lowering the brightness of the display etc are still part and parcel of keeping your iPhone battery in top condition for a longer period. Just because you’ve probably heard it before does not mean it doesn’t work.
Something new, though. Some users have seen that proximity to a cell tower (thus providing use of a strong signal) extends battery life. This may be because network searching is brought to a minimum. So attempt to stay in areas with a good signal. A last and final tip is by using your iPhone regularly, so that you massage the kinks from the system and become knowledgeable about the peculiarities of your particular unit. All things considered, your phone is a highly personal gadget, and may be treated therefore.- battery