Double checking shipping items with lithium-ion batteries

[em-257]

Hey all. First post on this forum.

I recently sold a Bluetooth Wacom Intuos drawing tablet that is used, but still working. Nothing wrong with it, everything is in tact, just want to upgrade. I'm quite scatterbrained but had the sense to double check and see if there is a lithium battery inside and it does use a lithium-ion battery. I'm extremely reluctant about sending out electronics with lithium batteries inside and I've only had to do this once when returning a phone. I've had no issues with the former, but I'm just stressed and confused as to how I'm supposed to go about this process unless I have to do the same thing as last time?

I purchased a label with the appropriate hazmat warning (conflicting information online but better to be safe than sorry), intend on draining the battery, and I already have the box and bubble wrap for the tablet and other accessories it comes with. I will also be going in person to give the clerks the QR code and to let them know what's inside. Am I overthinking any of this? I have OCD and tend to get hung up on details with specific tasks that require more elaborate steps. I'm getting $50 for this, but $50 is nothing if something goes wrong while the package is in transit, you know?

[caldreamer]

I checked USPS postal regulations and they are very strict and confusing.   I included weblink below.

USPS Packaging Instruction 9D | Postal Explorer

I suggest you go to USPS and show postal clerk what you are trying to mail.   They can explain exactly how you need to package it, label it and if it can be sent by air or ground only.

[toujoursladybug]

Last time I sold a camera with a lithium-ion battery that did not hold a charge, I packaged it well like I would with any other electronic. I printed the label through eBay and selected the proper options for shipping something hazardous to ensure it would be shipped by ground only, and had my local postal location put on a lithium-ion sticker on the outside of the box. 

That's all you can do, and there's really nothing else you can do. Since you're going to be taking it in, they'll assure you that the Hazmat label + lithium-ion sticker + proper, secure packaging and your added drainage of the battery is fine. They'll then make sure it travels by ground instead of by air, you can't do anything more than provide the proper label and sticker to notify the workers to ensure it goes by ground.