Apple Pencil 2 keep discharging randomly

Your Apple Pencil is exhibiting symptoms of a failing battery - that will not reliably accept or hold any charge.

While your Apple Pencil should charge relatively quickly, typically within 10-15 minutes from a low battery state, very rapid charging will often be accompanied by equally rapid discharge when removed from the host iPad’s charging dock.

All Li-ion batteries have a finite service lifespan - and to achieve maximum life must be kept with some level of charge at all times. As you are perhaps already aware, a second generation Pencil should be docked with the host iPad whenever it is not being actively used. Setting aside an unused Pencil is a recipe for premature death of the Pencil battery.

If the Pencil Battery has failed, the only remedy is to replace the Pencil. If the battery has failed and your pencil is within its one-year warranty, you should look to having it replaced by your retailer or at an Apple Store.

You would be best advised to visit the Genius Bar at your local Apple Store or Apple Authorised Service Provider (AASP) - where the technicians will be able to test and assess your iPad and Pencil. If a fault is identified, you’ll be in the best possible place to explore your available options:

Genius Bar Reservation and Apple Support Options - Apple

Your Apple Pencil may be showing signs of a failing or failed battery.

Prior to this issue, when was the last time your Pencil was charged up and used?

IF your Pencil was left laying around unused for ANY prolonged period of time without being charged up and ready to use, then your Pencil battery may have failed and your Pencil may be dead.

Sorry.

You cannot store and/or NOT use Pencils for any prolonged period of time and NOT keep them charged up to some level.

If your Pencil/s sat around unused or unopened and not kept charged up for more than a few weeks, or so, OR

EVEN LONGER, then the battery in your Pencil may have failed and is dead and you will have to purchase another

brand new Pencil or, if still under warranty, get a free replacement Pencil from Apple.

Sorry.

And it looks like some things about the Pencil have NOT changed in the new version 2 model, either.

Due to the “always on and active/standby” nature of the Pencil and, also, due to its very tiny rechargeable Li-

ion battery ( smaller than the eraser head on a REAL wooden pencil ), the Pencil needs to be constantly charged up to some significant charge level ALL THE TIME, even when not using the Pencil for prolonged periods of time.

The Pencil needs to be kept CONSTANTLY charged to a minimum of 5-10%, OR GREATER, all the time!

If the Pencil battery is allowed to drain down to 0% and allowed to stay in that flat condition for more than a few weeks, or so, OR EVEN LONGER, that very tiny little Li-ion battery is too small to keep at a 0% state for a long period of time and it will fail and the Pencil will be dead and you may have to “pop” for another $99/$129 Pencil, once again!

Apple only has a one-year warranty on any Apple accessory items.

You need to keep your Pencil CONSTANTLY charged up all the time, even if it is only to 10%-15% charge. It must keep some charge level in that tiny Lithium-ion battery at all times!

One last ditch thing you can try is to plug the Pencil's Lightning connector into the iPad.

Then, try a simple hard reset of your iPad by holding down both the Home and sleep/wake buttons simultaneously until your iPad goes to black and restarts with Apple logo, then release the buttons.

OR

Put your Pencil 2 atop the magnetic charging edge of your iPad.

Then, try the new hard reset procedure for the 2018/2020 iPad Pro/iPad Air 4 models without a Home button.

1. Press and release the volume UP button.

2. Then immediately press and release the volume DOWN button.

3. Then, press and hold the Power button at the top. You will see the Slide to Power off button, but keep on holding down the Power button until you see the Apple logo, then let it go.

Once you have performed all the steps, wait for a few seconds and your iPad Pro will boot up completely to the iPad Pro’s Lock screen.

See if the Pencil starts charging then, when it reaches a sufficient charge, like over 15%, or so, or more, disconnect the Pencil and reconnect it to see if it Bluetooth pairs.

If it does pair, try using it.

You can also try gently warming up your entire Pencil for a few minutes wrapped in a damp dry warm/hot face cloth/towel to warm up the entire Pencil for a few attempts/minutes.

Test the Pencil, again.

If still no joy, your Pencil is definitely dead.

If your Apple Pencil is still under its one-year warranty period, you are still entitled to a free replacement Apple Pencil from Apple.

Use the “Get Support” link, at the upper right hand corner of every Apple Support Community Webpage to attempt to schedule an appointment with your nearest Apple Store location and bring in both iPad your defective Pencil.

Apple Store employees will be glad to help/assist you with getting another free, replacement Apple Pencil.

Test this Pencil in the Apple Store before you leave the store to make sure both your iPad and replacement Pencil are working together.

Sorry and Best of Luck to You!