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Apple Pencil 2 draining iPad Pro battery

Has anyone else found that leaving their Apple Pencil 2 attached to their iPad Pro 11 overnight drains the battery anywhere from 15%-25%. I did a test of leaving the pencil attached over night and saw a 17% loss in the iPad battery. The pencil was fully charged when I left it connected overnight. So it really had nothing to charge on the pencil. Then I charged the iPad to 100% and left overnight without the pencil attached and the next morning the iPad battery was still at 100%.


Seems like the Apple Pencil 2 is constantly drawing power from the iPad Battery. Was just wondering if anyone else is seeing this behavior. Would like to keep the pencil attached so I know where it is but not if it keeps draining the battery.

iPad Pro 11-inch, Cellular, iOS 12.1

Posted on Nov 21, 2018 5:33 AM

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Posted on Jan 17, 2019 1:23 PM

I would LOVE a feature in iOS to turn off the charging of the pencil or only allow charging below a setup percentage. I want to be able to carry my pencil connected to the iPad, but NOT have it drain the battery all the time.

86 replies

Dec 29, 2018 5:38 PM in response to peterfromsarasota

I have exactly the same problem.


After several experiments, I found that the iPad's battery won't be drained if I don't attach Apple Pencil 2 on my iPad pro (11 inch).

It is a clear proof that Apple Pencil keeps stealing battery from iPad.


And for your information, there is some energy loss when we talk about wireless charging, it is the cons of wireless charging tech itself, Apple product is no exception. That being said, when your iPad charges your Pencil, there is gonna be some percentage of battery lost during the process without going directly to the Pencil. Adding everything together, it is not hard to imagine the battery will drop so fast.


Short term solution would be finding a good dock or case for your Pencil, put it separately with your iPad. It worked for me.


Long term solution, I guess it is more of an Apple job, is simply not to charge Apple Pencil as long as the battery is not lower than a threshold, which could be exposed to the user. After separating my Pencil for a while, two or three days, I still have 92% battery in it. That said if iPad Pro doesn't automatically charges Apple Pencil before its battery goes lower than 80%, it could very likely save the day.

Of course, it is up to them to solve the problem.


To me, this gen iPad is good, but not perfect, it has a lot of flaws, this is just one of them you will have to bear with to enjoy your fullscreen experience, :)

Dec 29, 2018 5:56 PM in response to CaoJiayin

You can let the Apple Pencil battery drain all the way down to between 10%-20% before having the need to charge it!

You do not have to keep it attached to the iPad Pro all of the time!


Another thing you can do/try to make sure the Pencil isn't charging on the iPad Pro all the time, is simply slide the Pencil over on those charging magnets until it stops charging, but still stays attached to the iPad.

Dec 29, 2018 6:55 PM in response to CaoJiayin

The amount of drain happening here (in my experience) is far beyond a few percent a night. If it were just 4 or 5 percent due to topping off the Pencil now and then, I’d be totally fine with that. But it’s anywhere from 15 to 20 percent per 12 hours of standby, and that’s just plain unacceptable. There is no way that much juice is needed to keep the Pencil topped off or at least reasonably charged. Apple needs to fix this ASAP. I’m really happy with my new iPad Pro so far, and I’m really happy with the Apple Pencil 2 as well. I’m just not happy with the way this charging solution is working.

Jan 6, 2019 7:01 AM in response to peterfromsarasota

MichelPM, do a little research and post a viable solution or 🤫


If your iPad 11”/12.9” is going to remain powered on and idle for an extended amount of time with Pencil 2 magnetically attached, turn off Bluetooth or turn on Airplane mode - Pencil 2 will disconnect from your iPad (electronically not physically) and will not charge or consume iPad’s battery. Pencil 2 will remain dormant (or in sleep mode) when it doesn’t have an active Bluetooth connection - so even if you’re twirling it between your fingers, there’s no battery consumption.

Jan 18, 2019 1:13 AM in response to oriffet

The Apple pencil is working as designed and the only fix Apple could give would be to down regulate the charging of the Apple pencil during night hours or after an extended period of time.


The amount of battery drained from the iPad is significant and is likely due to the wireless charging as energy is lost in the process. Much less energy is lost in conventional charging as the wires used have a much lower resistance. I doubt Apple will fix this unless enough people cause a stir in forums like this or notably within the Apple community on youtube.


As far as fixes it is probably worth looking at cases like the Zugu Muse case which offers good protection, a place to hold your Apple pencil whilst charging and another elastic sleeve on the back of the iPad. This way overnight you can use the sleeve to hold the pencil.


Alternatively plug the iPad into a charger overnight as well.

Jan 22, 2019 11:52 AM in response to Kristoftekent

I'm hoping iOS 12.1.3 solves this problem--I'm topping everything off right now and letting it all sit overnight with the Apple Pencil connected. I have a feeling it will not be different though, as I have not seen any changes in the release notes pertaining to Apple Pencil issues.


For those of you saying "just turn off Bluetooth" or "that's how it's supposed to work, just leave it unattached", those aren't solutions. The whole point of this new design was to make it easier to carry the Pencil with you and always know that you'll have it when you'll need it. If I have to leave it sitting on my desk because it bleeds my iPad dry within 3 days after not even being used, that's a major problem and is not the functionality that was advertised.


Having to turn Bluetooth off has negative effects that I'm not willing to live with on a day to day basis. Having to leave the Pencil sitting on my desk unless I need it removes a major feature upgrade that made me want to dish out the $129 to upgrade from the old Pencil.

Apple Pencil 2 draining iPad Pro battery

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