[Update: Some of the commenters piped up about how this could actually be dangerous for the charger or the iPad, so I took some time to look things up a little more. It seems like the risks simply have to do with overheating the USB cable and the iPhone charger because the iPad requires a […]
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Quick Tip: You Can Charge Your iPad From Your iPhone Charger

[Update: Some of the commenters piped up about how this could actually be dangerous for the charger or the iPad, so I took some time to look things up a little more. It seems like the risks simply have to do with overheating the USB cable and the iPhone charger because the iPad requires a higher current (2 amps). I’ll keep giving this a shot for quick top-ups of my iPad – but I probably wont’ leave it overnight, just to be safe.]

[Update 2: this tip doesn’t seem to work for iPad 3 owners, sorry!]

Let’s get right to the juicy part: you can charge an iPad from the iPhone’s USB AC adapter. I had absolutely no idea you could do this, and I’ve owned an iPad 2 for over a year now. I had simply assumed that the output on that tiny little iPhone charger couldn’t possibly be enough to juice the iPad up, so I never bothered trying. I did try using USB ports on several of my friends’ PCs to charge my iPad, and none of them have worked, so I figured the same simply must be true of the iPhone’s charger.

The good news, of course, is that the iPhone charger is sufficient for charging an iPad. It’s not efficient by any means (it’s slow and charges at around 7–10% per hour), but it does mean that I don’t have to bring both and iPhone and iPad charger with me wherever I go. I can simply leave my iPad charging overnight if I’m staying over at a friend’s place, and that will be enough to get it back to 100% by the time I wake up. This is perfect for me because I find the iPad’s charger just a little clunky in my small 13″ laptop bag.

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