Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
Hmmm... that's the same one I reviewed as not being able to charge @ 29W. It's an older Anker model, buyer beware.

Which is unfortunate, since that would be perfect for my travel bag. I've got their 4-port version in that style without a PD port, but it'd be nice to fast charge the iPad while also charging a couple other things.
 
Which is unfortunate, since that would be perfect for my travel bag. I've got their 4-port version in that style without a PD port, but it'd be nice to fast charge the iPad while also charging a couple other things.

The product is no longer listed in either the U.S. Amazon marketplace or on their own website - it seems like a red flag to me, although I am surprised it is available in the U.K. Market. I don't mind re-testing it, but it is currently unavailable for purchase for me.
 
I finally managed to get my hands on both the 2nd gen iPad Pro 12.9" and the new iPad Pro 10.5", and I figured I'd run some tests on how they perform, both on the original Apple 29W USB-C to Lightning adapter, as well as some third party adapters.
......
Thanks! Great to get data on the new models and these current usb power sources.
 
The product is no longer listed in either the U.S. Amazon marketplace or on their own website - it seems like a red flag to me, although I am surprised it is available in the U.K. Market. I don't mind re-testing it, but it is currently unavailable for purchase for me.

Yeah, I wouldn't waste time on it, IMO. I'm waiting to see if a new model appears that supports it.
 
Guys you will hurt your device with these 3rd adapters, As Apple recommended never use the cables and adapters of other companies.
 
Guys you will hurt your device with these 3rd adapters, As Apple recommended never use the cables and adapters of other companies.

Of course Apple are going to say that...

The Anker chargers have a good reputation for being well designed and built.

They could all be built in the same Chinese factory for all we know.
 
  • Like
Reactions: bert0ld0
Well I definitely won't disagree that you get top-notch quality with Apple's OEM stuff. Apple always outfits their equipment with top notch stuff, but you also pay for it.

Personally when evaluating chargers, I find that the
  • Weight (heavier is better) due to internal circuitry
  • Hissing noises when active (less noises when you have high quality components)
are pretty easy ways to quickly get an indicator of the quality of the charger.

Brand wise, I think that Anker, Aukey and RAVPower are pretty good third-party brands when it comes to power / charging - that's why I chose the ones I did for testing / review.
 
Well I definitely won't disagree that you get top-notch quality with Apple's OEM stuff. Apple always outfits their equipment with top notch stuff, but you also pay for it.

Personally when evaluating chargers, I find that the
  • Weight (heavier is better) due to internal circuitry
  • Hissing noises when active (less noises when you have high quality components)
are pretty easy ways to quickly get an indicator of the quality of the charger.

Brand wise, I think that Anker, Aukey and RAVPower are pretty good third-party brands when it comes to power / charging - that's why I chose the ones I did for testing / review.

I would put Anker above Aukey and Ravpower. I haven't come across an Anker product that didn't perform to spec, whereas I can't say the same for the others.

If you have a 2016/17 MBP, you can use the laptop's charger for your iPad. All you would need is the USB-C lightning cable.
 
If you have a 2016/17 MBP, you can use the laptop's charger for your iPad. All you would need is the USB-C lightning cable.

Unfortunately neither the 61W nor the 87W Apple charger is likely to charge at 29W, as they don't support the 14.5V output needed for that speed.
[doublepost=1498228237][/doublepost]
I would put Anker above Aukey and Ravpower. I haven't come across an Anker product that didn't perform to spec, whereas I can't say the same for the others.

I wouldn't be so quick to assert this. I already mentioned in my first post that the earlier Anker charger I tested didn't charge at 29W. In addition, Nathan K (who works with Benson Leong to test USB-C devices) has shown an Anker charger to not work to spec.
 
Last edited:
As an Amazon Associate, MacRumors earns a commission from qualifying purchases made through links in this post.
Unfortunately neither the 61W nor the 87W Apple charger is likely to charge at 29W, as they don't support the 14.5V output needed for that speed.

Actually, my theory is the opposite. The 12" MacBook can draw an exact 29W from both the 61W and 87W Apple chargers (14.5V x 2A). So, potentially the new iPad Pros can do the same.

I didn't get a chance to test this last night, but I hope to later tonight or tomorrow. Half the problem is just getting my battery to get below 50% ha!
 
Actually, my theory is the opposite. The 12" MacBook can draw an exact 29W from both the 61W and 87W Apple chargers (14.5V x 2A). So, potentially the new iPad Pros can do the same.

I didn't get a chance to test this last night, but I hope to later tonight or tomorrow. Half the problem is just getting my battery to get below 50% ha!

This is great news indeed! I would love to have a universal USB-C charger myself that could charge all my Apple devices at full speed. Have you tried GFX Metal Bench? It loops 30 times and uses a fair bit of power, may help a little with the discharging.
 
Did another test yesterday with the AUKEY green AI port charger:

90 minutes gave me 21% --> 68%

110 minutes gave me 21% --> 78%

I think it's charging as fast as the 29W, maybe someone can confirm.
 
Did another test yesterday with the AUKEY green AI port charger:

90 minutes gave me 21% --> 68%

110 minutes gave me 21% --> 78%

I think it's charging as fast as the 29W, maybe someone can confirm.

29W fast charging should yield close to 1% per minute when below 50%... based on your numbers that doesn't look to be the case. You're probably charging at 12W, or maybe 18W?
 
29W fast charging should yield close to 1% per minute when below 50%... based on your numbers that doesn't look to be the case. You're probably charging at 12W, or maybe 18W?

Thanks.

I assumed I was charging at 2.4A based on the specs of this charger, which matches the output of the 29W I believe.

https://www.amazon.ca/gp/product/B014GYAMU8/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1

One thing I think I may not understand is why both the 12W and 29W chargers are 2.4A. I thought amperage was the charging speed, so maybe I don't understand it fully.

In my earlier, shorter, test it went from 25% - 31% in 10 minutes, so it's not 1% per minute. It does seem to charge at different rates though. For example it did 6% in 10 minutes but only 2 more % by the 15 minute mark. In my longer test I believe it was perfectly proportionate if my math is right.
 
As an Amazon Associate, MacRumors earns a commission from qualifying purchases made through links in this post.
Thanks.

I assumed I was charging at 2.4A based on the specs of this charger, which matches the output of the 29W I believe.

https://www.amazon.ca/gp/product/B014GYAMU8/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1

One thing I think I may not understand is why both the 12W and 29W chargers are 2.4A. I thought amperage was the charging speed, so maybe I don't understand it fully.

You can't charge @ 29W using a USB-A port. You need a USB-C port that supports Power delivery, and the 29W is achieved via 2A / 14.5V, it cannot charge at 29W using 2.4A.
 
As an Amazon Associate, MacRumors earns a commission from qualifying purchases made through links in this post.
You can't charge @ 29W using a USB-A port. You need a USB-C port that supports Power delivery, and the 29W is achieved via 2A / 14.5V, it cannot charge at 29W using 2.4A.

Thanks, I guess that explains it. I wonder if I am even charging faster than the included charger - I'll have to check. Based on how slow people said it was though I suspect I am. I was pretty happy with the charging speed I was getting given the 8XXX mAh battery.

Would this charge it at full speed with the correct cable?

https://www.amazon.ca/AUKEY-Wall-Ch...498233404&sr=1-1&keywords=aukey+usb+c+charger

https://www.amazon.ca/Lightning-Dur...1498233552&sr=1-1&keywords=lightning+to+usb+c
 
As an Amazon Associate, MacRumors earns a commission from qualifying purchases made through links in this post.

Very unlikely for either. They key word you're looking for is "Power Delivery". They key word you should avoid is "Qualcomm Quick Charge". Both are incompatible standards, so a power adapter that supports one probably doesn't support the other.

Make sure the electrical specifications allow for 14.5V or 15V at 2A as well, that usually means it will support 29W charging.

As @BeatCrazy and others already mentioned - also be aware that some third party brands may not have quality components even though it technically supports 29W PD Fast charging.

EDIT: Regarding the cable, there are no successful reports of third party cables charging the iPad Pro at 29W so far.
 
As an Amazon Associate, MacRumors earns a commission from qualifying purchases made through links in this post.
  • Like
Reactions: ManyThreads
Very unlikely for either. They key word you're looking for is "Power Delivery". They key word you should avoid is "Qualcomm Quick Charge". Both are incompatible standards, so a power adapter that supports one probably doesn't support the other.

Make sure the electrical specifications allow for 14.5V or 15V at 2A as well, that usually means it will support 29W charging.

As @BeatCrazy and others already mentioned - also be aware that some third party brands may not have quality components even though it technically supports 29W PD Fast charging.

Thanks - may have to bend over and buy the Apple ones. I'm in Canada and it's $110 for the charger & cable which is insane. My current charging speed isn't too bad though.
 
Unfortunately neither the 61W nor the 87W Apple charger is likely to charge at 29W, as they don't support the 14.5V output needed for that speed.

I wouldn't be so quick to assert this. I already mentioned in my first post that the earlier Anker charger I tested didn't charge at 29W. In addition, Nathan K (who works with Benson Leong to test USB-C devices) has shown an Anker charger to not work to spec.

Basically you you can't trust any brand. In my experience, I've come across faulty Aukey and Ravpower products.

Apple's 61w charger has
- 20.3v at 3A
- 9v at 3A
- 5.2v at 2.4A

So according to the spec, it would charge at 27w for the iPad. A little slower, but not much. I haven't tested this btw.

With the 61w you could use it to charge your laptop, iPhone, and iPad. That's pretty slick.
 
As an Amazon Associate, MacRumors earns a commission from qualifying purchases made through links in this post.
Basically you you can't trust any brand. In my experience, I've come across faulty Aukey and Ravpower products.

Apple's 61w charger has
- 20.3v at 3A
- 9v at 3A
- 5.2v at 2.4A

So according to the spec, it would charge at 27w for the iPad. A little slower, but not much. I haven't tested this btw.

With the 61w you could use it to charge your laptop, iPhone, and iPad. That's pretty slick.

Can the iPad take 3A though?

I’d expect it to take 9v at 2A (from what I’ve seen the voltages are fixed but amps can sometimes be lower than these maximums)
 
  • Like
Reactions: Peter K.
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.