I would like to share some tips for keeping a power charge in cell phone to you,Don't get stuck in an emergency situation without a power charge.

A Lifesaver - Hidden Power Charge?

Check with your particular brand of phone to discover if you have reserve power in your cell phone. For instance, if you have any Nokia phone, you have an option for emergency cell use. In a Nokia phone, you should dial *4720# to get back-up phone charge. This can help you if you need to use your phone and perhaps left your charger at home. In particular, it could be a real lifesaver in an emergency situation. My advice is to program the particular code that matches your style of phone into your contacts list. I put mine under "Emergency Charge" and then entered the code.

Avoid Keeping Phone in Hot Temperatures

The summer heat can run down a cell battery. (especially with lithium batteries) Cell phones hate elevated temperatures. For this reason, also avoid over-charging the battery. It could overheat and cause damage to the phone in the long run.

Turn Phone Off and Avoid Roaming Areas

Do not continue to keep phone on. Period. Particularly, regions where your phone is on roam will drain the power.

Do Not Use Special Features

Avoid Internet, camera use, etc., when trying to prolong your phone's battery. These added features are known to deplete the power charge in a cell phone. It takes additional energy to run these fun features.

Put Phone on Vibrate

This option if great for those who must keep their cell phone on. If you need your phone on for special incoming phone calls, vibrate will conserve the power in your cell's battery. Keep in mind, only use vibrate when you have enough bars of power to last until next you can replenish the battery.