Charge iPhone faster using AC power

Jul 12, 2010 - 6 Comments

charging-iphone If you’re in a hurry to charge your iPhone, plug it into the wall outlet. Apparently you can charge your iPhone 23% faster by using the AC power adapter when compared to charging the device through a USB port, according to testing.

The tests which are mentioned on TUAW pertain to the iPhone 4 specifically, but from experience I can confirm that an AC wall adapter charges the iPhone 3 and 3GS quicker than USB as well.

Another observation I’ve made relates to the power output of particular USB ports. For instance, a 2010 MacBook Pro charges an iPhone a lot faster than my Hackintosh Netbook, but still slower than the wall outlet.

Bottom line: if your iPhone is charging slowly, plug it into the wall to speed it up!

Enjoy this tip? Subscribe to the OSXDaily newsletter to get more of our great Apple tips, tricks, and important news delivered to your inbox! Enter your email address below:

Related articles:

Posted by: Paul Horowitz in iPhone, Tips & Tricks


» Comments RSS Feed

  1. Ricardo says:

    same applies to else mac hardware?

  2. Murphy says:

    Have you guys plugged your iPhones into an iPad charger?

  3. Kevin says:

    I have charged my i-phone 3g with i-pad charger and strange thing happen. The Bat display shows charging but when i disconnect after all night charging the bat level shows low, one time i restarted the phone then it showed the correct charge level.even Apple has bugs!

  4. Jon says:

    Does it matter if its powered down or left on

Leave a Reply


Shop for Apple & Mac Deals on

Subscribe to OSXDaily

Subscribe to RSS Subscribe to Twitter Feed Follow on Facebook Subscribe to eMail Updates