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 Aug 25, 2019 6:10 AM

Yes. Turn the pencil around so it’s not in the charging position. It works better with an iPad case with the pencil holder. That way the pencil doesn’t need to be magnetized to the iPad.

86 replies

Jan 30, 2019 9:19 AM in response to peterfromsarasota

I reported as suggested. I proposed a what I feel is a simple fix. Would require the following:


  1. ipad Pro should automatically turn off wireless charging when pencil reaches 100% for a period of time (guessing 30 minutes would be ok).
  2. iPad Pro should turn on wireless charging each time pencil is connected.


with those two it should never end up in charging for more than 30 minutes when not needed.

Feb 17, 2019 8:39 AM in response to oriffet

I understand the iPad’s battery draining, after all it is charging the pencil constantly. But a couple of weeks ago, I started noticing that after getting to 100%,, the pencil starts losing charge slowly. I left it untouched for a few days and it will get all the way down unless I dettach it and attach it again. Took it to the Apple store and they said it was very weird and it shouldn’t do that. They restored the settings and said if it keeps on doing that, I should restore from iTunes. of course it is still doing it, but I don’t see what restoring it from iTunes will do. They ordered a replacement pencil, but I’m wondering if anyone else has had this problem.

Feb 28, 2019 11:58 AM in response to mkmw5516

This is definitely an ongoing issue.

And you are right.

Doesn't make sense for both not to be charged up fully.


Go back a few pages ( page 2, I think ) and look for my Apple iPad feedback link reply post.

In the posting, I have included a link to call/reach Apple directly in Cupertino, California and you can talk with a customer service /technical supoort rep about this issue.


Best of Luck to You!

Feb 28, 2019 4:14 PM in response to mkmw5516

Took iPad Pro off charge Monday morning. Turned Bluetooth off. Left Apple Pencil 2 attached to case.


It is now Thursday night. I have had 3h screen on time. My iPad is at 71% battery.


Turned on Bluetooth to check battery level in Pencil. 90%.


So clearly, in standby mode, the Pencil does not need to draw huge amounts of battery from the iPad. 10% over 4 days is nothing and should not have any perceivable impact on iPad Pro battery life.


There is a bug here that is causing the Pencil to constantly communicate over Bluetooth even when it is docked to the side of the iPad Pro, and this is chewing up a lot of power.

Sep 15, 2019 9:29 AM in response to peterfromsarasota

I understand that it is designed to charge off the iPad battery. However, I highly doubt it is designed to go through 25-30% battery power in just 8 hours. I have left my pencil connected to my 11” pro over night several times and each time my battery is drained. On one instance it drained it from 65% down to 23%. Seems like poor design for it to be so power hungry with no use.

Apr 15, 2019 11:34 AM in response to MichelPM

That all sounds great... other than the fact that if I leave my ipad idle for a few days.. say.. over the weekend.. with my pencil attached, the pencil drains to 0%.


So, I have the iPad on but "alseep" in my bag with the Pencil attached as it was meant to be, and the pencil drains power from the ipad while simultaneously loosing battery faster than it would if I just kept it unattached in a pocket somewhere in the bag.


That sounds like a problem to me. Nothing more annoying than grabbing the iPad for a meeting Monday morning just to have the pencil at 0% charge despite the fact that it was attached to the only thing that can charge it.. since Friday afternoon.


Makes no sense at all.

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Apple Pencil 2 draining iPad Pro battery

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