# Electronics with built-in lithium-ion batteries (phones, tablets, smartwatches, drones, cordless tools, toys with coin cells) — Postal shipping restrictions by item category

For Electronics with built-in lithium-ion batteries (phones, tablets, smartwatches, drones, cordless tools, toys with coin cells), carrier is USPS; restriction type is restricted; scope is domestic US; conditions is Batteries packed with equipment (UN3481). Requires hazmat declaration at label creation. Cannot use poly mailers or padded envelopes — rigid cardboard packaging required. $7.50 handling fee on Priority Mail, $50 noncompliance fee if undeclared, effective July 12, 2026, recorded from its source on 2026-08-04.

- **Item category:** Electronics with built-in lithium-ion batteries (phones, tablets, smartwatches, drones, cordless tools, toys with coin cells) _(unconfirmed — we could not tie this to the quote below)_
- **Carrier:** USPS _(our reading, not quoted from the source)_
- **Restriction type:** restricted _(our reading, not quoted from the source)_
- **Scope:** domestic US _(our reading, not quoted from the source)_
- **Conditions:** Batteries packed with equipment (UN3481). Requires hazmat declaration at label creation. Cannot use poly mailers or padded envelopes — rigid cardboard packaging required. $7.50 handling fee on Priority Mail, $50 noncompliance fee if undeclared, effective July 12, 2026. _(unconfirmed — we could not tie this to the quote below)_

## What the source says

> Batteries — anything with a lithium-ion, lithium-metal, or lithium-polymer battery: phones, laptops, tablets, power banks, earbuds, smartwatches, drones, cordless tools, toys with coin cells

## Source

- https://selleressentials.com/usps-hazmat-noncompliance-fee-2026/

Last verified: 2026-08-04. Review by: 2027-08-04.
Part of [Postal shipping restrictions by item category](https://referencesource.org/shipping-restrictions-by-class/).