--- type: restriction id: airlines-all-us-carriers-spare-uninstalled-lithium-metal-batteries asset: shipping-restrictions-by-class title: "Spare (uninstalled) lithium metal batteries — Postal shipping restrictions by item category" sources: - https://www.faa.gov/hazmat/packsafe/lithium-batteries source_quote: "Spare (uninstalled) lithium ion and lithium metal batteries, including power banks and cell phone battery charging cases, must be carried in carry-on baggage only" generated: true harvested: 2026-08-04 stale_after: 2027-08-04 item_category: "Spare (uninstalled) lithium metal batteries" carrier: "Airlines (all US carriers)" restriction_type: "carry-on only" scope: "passenger air travel" conditions: "Must be in carry-on baggage only; if carry-on is checked at gate or planeside, batteries must be removed and kept with passenger in cabin; battery terminals must be protected from short circuit; size limit 2 grams of lithium content per battery (up to 8 grams with airline approval, max 2 batteries); prohibited if carried for resale/distribution" verified: false unverified_fields: carrier, conditions, item_category --- **Item category:** Spare (uninstalled) lithium metal batteries **Carrier:** Airlines (all US carriers) **Restriction type:** carry-on only **Scope:** passenger air travel **Conditions:** Must be in carry-on baggage only; if carry-on is checked at gate or planeside, batteries must be removed and kept with passenger in cabin; battery terminals must be protected from short circuit; size limit 2 grams of lithium content per battery (up to 8 grams with airline approval, max 2 batteries); prohibited if carried for resale/distribution > Spare (uninstalled) lithium ion and lithium metal batteries, including power banks and cell phone battery charging cases, must be carried in carry-on baggage only Source: