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Discussion in 'iPad' started by Sillythink, Apr 2, 2016.
It take much longer to charge than my ipad air2, is there anything wrong??
The supplied charger is 10w versus the 12w charger for the Air2. Also I presume the battery on the 9.7" has a greater capacity than that on the Air2
I am using the third-party charger which is using by my air2 previously but it take longer to charge the new ipad pro.
I'm using the 12 watt charger. Definitely slower.
I think the new pro is just marginally bigger by like .5 amp. Something is up... It definitely taking much longer to charge up.
I noticed the 10w charger in the box. Wonder why they dropped down from 12w?
it's slow on the 12.9" model too
Anyone know the max wattage the 9.7" Pro can charge from? I don't pay much attention to these details as it'll usually charge overnight. But I do have a 12w charger I use with it.
I had the iPad at 85% this morning went for an hour walk and it was only at 96% when I got home. Maybe I need to do a battery recalibration.
I miss my air2 now
The 12.9" has a 38.5-watt-hour battery compared to the 27.5-watt-hour of the 9.7" so it's going to be slower with that stupid puny charger they give us.
At least the 12.9" has a faster charging option if you want to shell out the cash for it. But I'm surprised at the 9.7" I didn't expect it to be significantly different from the Air 2 for charging.
I don't have an iPad air 2, so I don't know. Is it really that much different?
I timed it earlier, charging from zero (I let the iPad turn itself off, to calibrate).
It took 3 hours & 40 minutes (give or take a few minutes) for fully charge to 100%.
Much faster than the iPad 4 which I am coming from, which took 5 hours & 15 minutes.
My iPhone 6 takes 2 hours & 15 minutes to charge from nothing (once again, when I calibrate) to 100%.
How long does the Air 2 take to charge from nothing to 100%?
Doing some quick reading - it looks like the iPad Air 2 takes roughly 3 hours & 15 minutes to charge from a 12w adapter.
I guess the battery size decrease from the Air to the Air 2 is why they felt they could put a 10w charger in the box instead.
I would be surprised if there is any significant difference in charge speed between the Air 2 and the Pro. You are probably seeing the combined effects of the 10w vs. 12w charger as stated, plus some of that reduced power is likely going to power background tasks on the iPad as it gets everything set up during the first couple of days usage. That will leave a bit less power available to charge the battery.
It's pretty fast for me. I'd say even faster than my Air 2.
I managed to drain the battery to 0 this morning. It's been charging on a 12w charger. 1 hour in it reached 30%. 1:45 in and it's 60%.
Just over 2 hours showed 70%
2:30 hit 85%
3 hours now and its 95%
And full charge was somewhere between 3:15 and 3:30.
My iPad Pro 9.7" takes a long time to charge as well. I was at 30% or something when I left 3 hours ago. Now I'm only at 83%. Oh well. I'm not sure what wattage my charger is, it's an old iPad charger.... I didn't use the iPad Pro's adapter that is in the box.
I love the Smart Keyboard and keep it on. Does that affect battery charging?
Knowing a little about Lithium Ion batteries coming from my RC Hobby and Flying Drones. The short version is the Slower Lithium Ion batteries are charged the better not only for longevity but for discharge rate.
Some of my battery packs can be charged at different rates if your charger pumps too much voltage in too fast it can be dangerous or cause swelling of the soft Lithium battery cells
Now Apple has very good reasons. To switch from 12w to a 10watt charger. All in all it benefits the consumer.
I seldom empty a charged Pro in a day so if I put it on the charger before I go to bed, I do not care how long it takes.
1. Buy $49 29W USB-C Charger and $25 USB-C to lightning cable
2. Never worry about slow charging any iOS device again
4. (Apple) Profit!
Disclaimer: "Never" might only be until Apple's next keynote.
Regarding your question on the Smart Keyboard, I don't know if it affects the charging rate when it is attached. As you may know, the discharge rate is slightly higher with the keyboard attached.
As for me, yes, my iPad Pro 9.7 takes a bit longer to charge than my old iPad Air 1. However, the battery charge seems to last longer on the IPP. So, even if the battery in my Pro is only charged up by a dozen percent or so for a short time, that bit of charge lasts longer than an equivalent (or longer) charge onthe old iPad Air 1. Overall, I'm happier with the battery performance of the iPad Pro than that of the Air 1.
Uh yea. That's some pretty bad advice right there.
Charge it overnight so you won't have to worry about how long it takes.