How to store Apple Pencil Pro long term?

I use a case with a pencil slot, and it stays charged. So far, no issues with the battery.

Here is a thread on a possible (undocumented) sequence which might be helpful:

• Long term storage of apple pencil - Apple Community

Yes, it is possible to place an Apple Pencil in its "deep sleep" shipping state. In this state the Pencil's battery can survive long(er) periods of storage before becoming fully discharged - and, critically, disables the Pencil's accelerometer that wakes the Pencil whenever the slightest movement is detected.

I published the procedure, by way of an ASC User Tip, in May 2026:

Preparing an Apple Pencil for storage (Hi… - Apple Community

Setting aside an Apple Pencil for an extended period, without properly preparing it, risks failure of its battery. If deeply discharged, the battery may not recover from deep discharge.

While Apple has [inexplicably] not published the process to fully shut-down an Apple Pencil, it is possible to do so...

An Apple Pencil prior to initial device pairing will be in its shipping state - where all of its electronics are effectively shut-off. In this state, the Pencil's battery is using no power at all - and can survive without charging for many months.

After the device is paired with its host iPad, when motionless the Pencil will automatically enter its low-power "sleep" state - where the Bluetooth radio is shut-off to save power. In this state the Pencil's accelerometer remains active - and will fully reawaken the Pencil with the slightest disturbance or moment. When sleeping, the Pencil's electronics are still semi-active - and will slowly deplete the Pencil's tiny battery.

To place an Apple Pencil back into its hibernation/shipping state, you must follow a very specific sequence of steps:

1)  On the host iPad, ensure that the Pencil is fully charged

Settings > Apple Pencil

2)  On the host iPad, open your Bluetooth settings; the Pencil status should show the Pencil as Connected

Settings > Bluetooth

3)  On the host iPad, temporarily fully turn-off bluetooth

Settings > Bluetooth - set to OFF

4)  Set aside the Pencil somewhere that it will not be disturbed.  Any movement will re-awaken the Pencil - and prevent the Pencil from fully shutting down.  Leave the Pencil undisturbed and totally motionless for at least an hour.

5)  You can re-enable Bluetooth on the iPad; verify that the Pencil show its status as Not Connected.  Should you choose to do so, you can remove the Pencil from the list of paired Bluetooth devices; simply tap the corresponding blue “i” icon, then tap Forget This Device.

Provided that the Pencil remains undisturbed as directed, it will fall into its low-power shipping state; you should note that there is no external indication that the Pencil is hibernating. A healthy Pencil will retain its charge in this state for several months.  Being fully charged prior to hibernation will protect the Pencil's battery from damage through deep discharge.

Pairing the Pencil with an iPad will recover the Pencil from hibernation.

MikeyBajan wrote:

This procedure doesn’t place the Pencil in a deep sleep state. I know this because this is the exact method I’ve been using to date. I charge the Pencil, store it in a place where it won’t move, turn off Bluetooth, turn on Bluetooth a few days later, the Pencil automatically connects and it’s now at 40%

The process does work - but the sequence is critical. You must briefly disable Bluetooth on the paired iPad - and then set aside the Pencil.

The Pencil must remain totally motionless until it enters its dormant state - as the slightest movement/vibration will awaken the Pencil.

You should remember that any rechargeable battery will slowly self-discharge. While the Pencil can be placed into a state of hibernation, the Pencil battery not remain charged indefinitely. Long-term storage (six months or more), of an otherwise healthy Pencil is achievable.

An already ailing battery, even if fully charged, may not retain significant charge for very long. If your Pencil is behaving as you describe, either the Pencil battery is failing, or the hibernation process is not being properly followed. If properly shut-down, the Pencil will not automatically reconnect to your iPad.

MikeyBajan wrote:

As I said before, that is exactly what I am doing. I’ve tried turning off Bluetooth and THEN setting down and I’ve tried turning off Bluetooth BEFORE setting it down. I set it down on a window sill, flat side down and it’s not moving. Even if I don’t turn Bluetooth back on for a week, when I turn it on, after about three seconds, it connects to the Pencil and I can see the current charge level without even touching it. As for ailing batteries losing charge over time, I get that. I understand how batteries work. This was a Christmas (2025) gift and I have charged it once or twice a week since activation. So, it’s had 50 charges max. It has dropped to 0% once (for less than a day). That’s when this whole ridiculous charging routine started. Because I didn’t want it to ever be at 0% for days and permanently damage it. It’s just not worth the headache and I’m obviously not alone going by the amount of ‘bricked’ Pencils I read about in Forums and selling on eBay

Okay - so the established and well tested process doesn't work for you. Perhaps your Pencil has a fault that inhibits disassociation from your iPad.

I have nothing further to offer.