# (b)(3)(ii) — Lithium battery shipping limits (49 CFR 173.185)

For (b)(3)(ii), applies to is lithium metal battery; threshold is 2 g; requirement is The lithium content may not exceed 2 g, recorded from its source on 2026-08-03.

- **Provision:** (b)(3)(ii) _(unconfirmed — we could not tie this to the quote below)_
- **Applies to:** lithium metal battery
- **Threshold:** 2 g
- **Requirement:** The lithium content may not exceed 2 g _(unconfirmed — we could not tie this to the quote below)_

## What the source says

> ( ii ) The lithium content may not exceed 1 g for a lithium metal cell or 2 g for a lithium metal battery.

## Source

- https://www.ecfr.gov/current/title-49/section-173.185

Last verified: 2026-08-03. Review by: 2027-01-30.
Part of [Lithium battery shipping limits (49 CFR 173.185)](https://referencesource.org/lithium-battery-shipping-limits/).