# Lithium-ion batteries packed with equipment, PI 966 Section II (UN3481, ≤ 20 Wh cells / ≤ 100 Wh batteries) — Postal shipping restrictions by item category For Lithium-ion batteries packed with equipment, PI 966 Section II (UN3481, ≤ 20 Wh cells / ≤ 100 Wh batteries), carrier is FAA (air cargo, ICAO Technical Instructions); restriction type is restricted; scope is passenger and cargo aircraft; conditions is Minimum to power equipment plus 2 spare sets; 5 kg net mass per package; no shipper's declaration; lithium battery mark; no UN spec packaging; 1.2 m drop test, recorded from its source on 2026-08-10. - **Item category:** Lithium-ion batteries packed with equipment, PI 966 Section II (UN3481, ≤ 20 Wh cells / ≤ 100 Wh 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:** Minimum to power equipment plus 2 spare sets; 5 kg net mass per package; no shipper's declaration; lithium battery mark; no UN spec packaging; 1.2 m drop test. _(verified: appears in the quote below)_ ## What the source says > PI 966 Section II UN3481 Lithium-Ion Batteries Packed w/ Equipment ≤ 20 Wh Minimum To Power Equip + 2 Spare Sets ≤ 100 Wh Minimum To Power Equip + 2 Spare Sets 5 Kg No1 Lithium Battery Mark No UN Spec 1.2m Drop Test None ## 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/).