# Spare lithium metal batteries (exceeding 2-8 grams) · FAA (air transport) — Flying with restricted items: FAA, TSA and IATA baggage and air cargo rules

For Spare lithium metal batteries (exceeding 2-8 grams), authority is FAA (air transport); restriction type is restricted; scope is carry-on baggage; conditions is With airline approval only; limited to two spare Lithium metal batteries exceeding 2-8 grams, recorded from its source on 2026-08-04.

- **Item or substance:** Spare lithium metal batteries (exceeding 2-8 grams)
- **Authority:** FAA (air transport) _(our reading, not quoted from the source)_
- **Restriction type:** restricted _(our reading, not quoted from the source)_
- **Scope:** carry-on baggage _(our reading, not quoted from the source)_
- **Conditions:** With airline approval only; limited to two spare Lithium metal batteries exceeding 2-8 grams.

## What the source says

> With airline approval, passengers may also carry up to two spare larger lithium ion batteries (exceeding 101–160 Wh) or Lithium metal batteries (exceeding 2-8 grams).

## Source

- https://www.faa.gov/hazmat/packsafe/lithium-batteries

Last verified: 2026-08-04. Review by: 2027-08-04.
Part of [Flying with restricted items: FAA, TSA and IATA baggage and air cargo rules](https://referencesource.org/air-travel-item-restrictions/).