# Lithium metal batteries contained in equipment, PI 970 Section II (UN3091, ≤ 1 g lithium cells / ≤ 2 g batteries) — Postal shipping restrictions by item category

For Lithium metal batteries contained in equipment, PI 970 Section II (UN3091, ≤ 1 g lithium cells / ≤ 2 g batteries), carrier is FAA (air cargo, ICAO Technical Instructions); restriction type is restricted; scope is passenger and cargo aircraft; conditions is 5 kg net mass per package passenger and cargo; no shipper's declaration; lithium battery mark; no UN spec packaging; strong rigid outer packaging, recorded from its source on 2026-08-10.

- **Item category:** Lithium metal batteries contained in equipment, PI 970 Section II (UN3091, ≤ 1 g lithium cells / ≤ 2 g batteries) _(verified: appears in the quote below)_
- **Carrier:** FAA (air cargo, ICAO Technical Instructions) _(our reading, not quoted from the source)_
- **Restriction type:** restricted _(our reading, not quoted from the source)_
- **Scope:** passenger and cargo aircraft _(our reading, not quoted from the source)_
- **Conditions:** 5 kg net mass per package passenger and cargo; no shipper's declaration; lithium battery mark; no UN spec packaging; strong rigid outer packaging. _(verified: appears in the quote below)_

## What the source says

> PI 970 Section II 3091 Lithium Metal Batteries Contained in Equipment ≤ 1g Lithium Content N/A ≤ 2g Lithium Content N/A 5kg (PAX & CAO) No2/3 Lithium Battery Mark3 No UN Spec

## Source

- https://www.faa.gov/hazmat/safecargo/icao-lithium-battery-summary-chart

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/).