UN number
UN 3090 — Lithium-metal batteries
Last updated: 6 Jul 2026Reviewed by Ms. Rubab Nizami, Lead AVSEC Faculty
In short
UN 3090 is the UN number for lithium-metal batteries, a dangerous good in Class 9. It is commonly non-rechargeable lithium batteries (some cameras, watches, sensors). For passengers: spares in cabin only, within lithium-content limits.
- Proper shipping name
- Lithium-metal batteries
- Class
- 9
- Common use
- Non-rechargeable lithium batteries (some cameras, watches, sensors).
What is UN 3090?
UN 3090 identifies lithium-metal batteries in international transport. It belongs to dangerous-goods Class 9, and is used for non-rechargeable lithium batteries (some cameras, watches, sensors).
Can passengers carry Lithium-metal batteries?
Spares in cabin only, within lithium-content limits. Always follow your airline's dangerous-goods policy, since limits and approvals differ between carriers.