# Lithium-ion battery powered vehicles, UN 3556, battery over 100 Wh — state of charge — Postal shipping restrictions by item category

For Lithium-ion battery powered vehicles, UN 3556, battery over 100 Wh, item category is Lithium-ion battery powered vehicles, UN 3556, battery over 100 Wh — state of charge; carrier is IATA (air cargo); restriction type is restricted; scope is air transport (from January 1, 2026); conditions is Starting January 1, 2026, must be offered for transport at a state of charge not exceeding 30% of rated design capacity or an indicated battery capacity not exceeding 25%, where the battery exceeds 100 Wh, recorded from its source on 2026-08-10.

- **Item category:** Lithium-ion battery powered vehicles, UN 3556, battery over 100 Wh — state of charge _(verified: appears in the quote below)_
- **Carrier:** IATA (air cargo) _(our reading, not quoted from the source)_
- **Restriction type:** restricted _(our reading, not quoted from the source)_
- **Scope:** air transport (from January 1, 2026) _(our reading, not quoted from the source)_
- **Conditions:** Starting January 1, 2026, must be offered for transport at a state of charge not exceeding 30% of rated design capacity or an indicated battery capacity not exceeding 25%, where the battery exceeds 100 Wh. _(verified: appears in the quote below)_

## What the source says

> UN 3556, Vehicle, lithium ion battery powered where the battery has a Watt-hour rating greater than 100 Wh.

## Source

- https://www.lion.com/lion-news/october-2024/lithium-battery-30-state-of-charge-recommendations-for-2025

Last verified: 2026-08-10. Review by: 2027-08-10.
Part of [Postal shipping restrictions by item category](https://referencesource.org/shipping-restrictions-by-class/).