# Vehicles powered by batteries exceeding 100 Wh (UN 3171, UN 3556, UN 3557, UN 3558) — Postal shipping restrictions by item category For Vehicles powered by batteries exceeding 100 Wh (UN 3171, UN 3556, UN 3557, UN 3558), carrier is IATA (air cargo); restriction type is restricted; scope is air cargo; conditions is Must be offered for transport with batteries at a state of charge not exceeding 30% of rated capacity, or an indicated battery capacity not exceeding 25%; above 30% only with State of Origin and State of the Operator approval, recorded from its source on 2026-08-10. - **Item category:** Vehicles powered by batteries exceeding 100 Wh (UN 3171, UN 3556, UN 3557, UN 3558) _(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 cargo _(our reading, not quoted from the source)_ - **Conditions:** Must be offered for transport with batteries at a state of charge not exceeding 30% of rated capacity, or an indicated battery capacity not exceeding 25%; above 30% only with State of Origin and State of the Operator approval. _(verified: appears in the quote below)_ ## What the source says > Vehicles powered by batteries with a watt-hour rating exceeding 100 Wh must be offered for transport with: ▪ the battery(ies) at a state of charge not exceeding 30% of their rated capacity; or ▪ an indicated battery capacity not exceeding 25%. ## Source - https://www.iata.org/contentassets/05e6d8742b0047259bf3a700bc9d42b9/lithium-battery-guidance-document.pdf 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/).