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felixen2121

macrumors member
Original poster
Apr 14, 2011
85
34
Hi

I'm thinking about getting a 29w power adapter for my 12.9 iPad Pro. I think the price for the Apple adapter is pretty steep. Especially after already paying a lot for the tablet, Smart Cover and back case.

I'm thinking of maybe getting this one
http://www.amazon.de/iProtect-USB-C...sr=8-2&keywords=apple+29w+usb-c+power+adapter

Does anyone think there would be any problems in not using an official one? I would probably be getting the official usb-c to lightning cable from Apple to go with it.

The purpose of it all would just be faster charging :)
 
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isn´t that adapter for the macbook with a usb-c port? i would think that charging the ipad pro with a more than twice the watts/amps would seriuosly burn the ipad
 
isn´t that adapter for the macbook with a usb-c port? i would think that charging the ipad pro with a more than twice the watts/amps would seriuosly burn the ipad

Apple recently released a lightening to USB C cable expressly for use with their 29W adaptor and the iPad Pro. That said I always use Apple chargers with Apple devices for safety reasons.
 
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Likely the same story as with this fake MacBook charger...

comparison.jpg


Apple chargers are expensive for reasons other than just the Apple logo. Not worth the risk buying a fake one.
 
Maybe this is a dumb question, but why does the charger need that much complexity anyway? Surely it's just pumping power from Point A to Point B?

Details are in the article, here's a quote:

The photo below compares the underside of the counterfeit 45W charger (left) with a genuine Apple 60W charger (right). As you can see, the counterfeit has a simple circuit board with just a few parts, while the genuine charger is crammed full of parts. The two boards are in totally different worlds of design complexity. The additional parts provide better power quality and improved safety in the real charger; this is part of the reason genuine chargers are significantly more expensive.

I don't now much about these things, but it's safe to say that they're there for a good reason ;)
 
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they have to regulate power/current, they have to sense temp increases over X time and determine when to slow/trickle charge so as not to overheat the lithium and cause an explosion. they also have/should read the current battery charge state when its full and continue to top off the float charge of the cells as the device is charging.. etc etc and so forth... :p
 
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they have to regulate power/current, they have to sense temp increases over X time and determine when to slow/trickle charge so as not to overheat the lithium and cause an explosion. they also have/should read the current battery charge state when its full and continue to top off the float charge of the cells as the device is charging.. etc etc and so forth... :p


This is why you get a "non supported" accessory message with some 3rd party chargers/cables/etc. Not only is there power being delivered but also a com channel, which could be a malware/virus vector (maybe not so much with iOS, but other devices).
 
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