Why iPhone Battery does not charge from the charger - Useful Computer Repair Skills
 
Summary

iPhone and iPod touch have an internal rechargeable battery. To charge the battery, choose one of the options below:

Connect the device to your computer (not your keyboard) using the included cable to charge the battery and sync. Your computer must be turned on and not in sleep or standby mode. If the device is connected to a computer that's not turned on or is in sleep or standby mode, the Sony VGP-BPS12 Battery replacement may drain.

Connect iPhone or iPod touch to a power outlet using the included cable and a USB power adapter to charge the battery.

Note: iPhone 3G, iPhone 3GS, iPod touch (2nd generation), and iPod touch (3rd generation) do not support FireWire and will not charge from any FireWire-based power source.  If you connect either of these devices to a FireWire-based charger or Sony VGP-BPL22 Battery replacement accessory, you will receive the alert screen below:

An icon in the upper-right corner of the screen shows battery charging status. If you charge the battery while syncing or using iPhone or iPod touch, it might take longer to charge.

Note: If using a portable Sony VGP-BPL12 Battery replacement computer, make sure it is plugged into power and that the lid or display is open. If the lid is closed, the computer may go into standby, sleep, or hibernation mode and iPhone or iPod touch may not charge.

Important: If iPhone or iPod touch is very low on power, it may display one of the following images indicating that the device needs to charge for up to ten minutes before you can use it. If the device is extremely low on power, the display may be blank for up to two minutes before one of the low-battery images appears. If you don't see the white charging or plug icons, your iPhone or iPod touch may be connected with a FireWire cable. Disconnect the FireWire cable and connect the iPhone or iPod touch to a Sony VGP-BPS14 Battery replacement USB cable or dock.

Note: For the quickest charge while connected to a computer, remove all USB devices except the keyboard and mouse, or connect the iPhone or iPod touch or the other devices via an externally powered USB hub.

Rechargeable batteries have a limited number of charge cycles and may eventually need to be replaced. Sony VGP-BPS22 Battery replacement life and number of charge cycles vary by use and settings.

The battery indicator on iPhone and iPod touch shows approximately how much charge is left in the battery. For information on how long the Sony VGP-BPL14 Battery replacement is expected to last between charges, see the iPhone or iPod touch technical specifications.

Additional Information

Note: iPhone models sold by China Unicom (A1324, iPhone 3G and A1325, iPhone 3GS) can charge while turned off. When you turn off iPhone and connect it to a charger or computer, a lightning-bolt icon appears on the display to indicate charging:

When Battery does not charge from the iPhone charger

Important: iPhone 3G Sony VGP-BPS18 Battery replacement cannot be charged with a FireWire power adapter or FireWire-based car charger. If iPhone is connected to a computer that’s turned off or is in sleep or standby mode, the iPhone battery may drain.

Verify the outlet being used is working.

Try another charger if available.

If no other charger is available, try connecting to a high-power USB 2.0 port (not a keyboard). The computer must be turned on and not in sleep or standby mode.

Try another Sony VGP-BPL18 Battery replacement USB cable if available.



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