In the iphone accessories in the battery is also  key components. Due to the iphone can't replace the battery, so the user must details about the iphone battery.

From on June 8, 2010, apple CEO Steve jobs in the mountain of its new iPhone to the fourth generation of mobile phone, model for iPhone 4. IPhone 4 on the function far beyond the iPhone 3 GS, as many as of the place of upgrading, many ways beyond the expected before. Jobs of the iPhone 4 battery released energy consumption situation for 7 hours of 3 G calls, 10 hours video playback, 40 hours music player, and 300 hours standby. In addition to call on the 3 G, 7 hours calls than iPhone 3 GS five hours to two hours long, endurance and other no significant ascension.

The iPhone4 battery for 3.7 V 1420 mAh of lithium battery, and in theory can provide seven hours of 3 G talk time network and 14 hours talk time 2 G network.

Batterylog is a iPhone battery monitoring and information analysis software, because IPHOE cannot replace the battery, so that users need to know the details of the iPhone to use, Batterylog can record iPhone battery information to digital display iPhone battery remaining power, detailed records of every day use and iPhone battery charging and draw the battery power simulations.

You know how to use the iPhone and know your battery can last time, usually to prolong the life time of the battery. Through the main screen by clicking the "Settings" icon and select "common" > "consumption", you can check your iPhone to use state statistics. In "the last full charge the use after the time" below you can see two projects:

Use: iPhone since the last time fully charged in state and, after awakening in the total time use. When you call, use E-mail, listen to music, surf the web, or to send and receive text messages, or mobile phones in the implementation of such as automatic check email and the background, iPhone in that task awaken state.

Standby: iPhone since the last time fully charged the total boot time after, including the iPhone is sleeping of time.

IPhone4  battery capacity in the original and full charge of the state, provide the longest seven hours of 3 G talk time, 14 hours of talk time 2 G, six hours of 3 G Internet time, 10 hours of Wi Fi Internet time-and 10 hours of video playing time, or 40 hours of audio playback time. In addition, the iPhone 4 is the longest provide 300 hours of standby time.

If you are to iPhone when charging, haven't taken down case, will generate as much heat, thus affecting the battery capacity. If you find that the iPhone when charging high temperature, please take it to the iphone cases.

After proper care of the iPhone in 400, complete battery charging and discharging cycle, still can keep the original battery capacity by 80%. When the battery has been unable to store enough power to maintain your operation needs, you need to replace the battery.
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iPhone Battery