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Comment by Anechoic | Hacker News Reader

IATA lithium-ion battery shipping rules make it pretty clear that packages containing Li-on batteries have to be clearly identified using warning labels. There are also limits to number of battery packs and Ah capacities in packages. If you've ordered anything with a Li-on battery in the last couple of years that was shipped by air, it should have had a warning label on it that looks like https://uline-h.assetsadobe.com/is/image/content/dam/images/...

That is the responsibility of the packer.

edit: just noticed that the article mentioned lithium batteries rather than li-on batteries, but the rules are similar. See http://www.iata.org/whatwedo/cargo/dgr/Documents/lithium-bat... for more info.

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Why doesn't my iPhone 7 box have this sticker? It flew via UPS, does that make any difference? If I recall correctly a UPS flight crashed due to a battery fire a few years ago.

Only "raw" batteries are restricted. Once they're inside a finished electronic product, they're often fine. (Go figure.)

This is why so many external USB battery packs for phones and the like have a flashlight built in - it's a legal loophole that lets the manufacturer pretend it's a flashlight, and not a "raw" battery.

Interesting. Although I actually find it useful that they include the flashlight. Win/win.

Because the risk of a mechanical accident damaging the battery is smaller. Also less similar batteries in close proximity to catch fire

This is not quite right, but once a 'small' single cell is in a 'package', shipping it with other similar products is only subject to the 'overpack' rules.

Some companies still prefer to err on the side of caution, every single device I have ever ordered from T-Mobile has had the lithium sticker on the shipping box even though as far as I'm aware it's not required (especially in devices with non-removable batteries).

Are you sure about this? Lenovo, Dell and Acer all put big LiIon warning/danger stickers on their laptop boxes when shipping. Are they doing this voluntarily?

Some of the batteries are removable, but others aren't. Maybe it's related to the size/capacity of the batteries?

IIRC there's a legal limit on the allowed capacity of a Li-ion battery in a device on an airplane, yes. That might be related.

So just put another box around the battery and call it a battery-powered box.

You have to read the rules very carefully. Your iPhone counts as a single cell in a package; multiple iPhones are only ever shipped in an "overpack".

Different restrictions between passenger and freight aircraft. The freight rules are looser.

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