# (c)(5)(ii) — Lithium battery shipping limits (49 CFR 173.185)

For (c)(5)(ii), applies to is packages; threshold is 3 meters; requirement is Each package must be capable of withstanding, without damage to the cells or batteries contained therein and without any reduction of effectiveness, a force applied to the top surface equivalent to the total weight of identical packages stacked to a height of 3 meters (including the test sample) for a duration of 24 hours, recorded from its source on 2026-08-03.

- **Provision:** (c)(5)(ii) _(unconfirmed — we could not tie this to the quote below)_
- **Applies to:** packages
- **Threshold:** 3 meters
- **Requirement:** Each package must be capable of withstanding, without damage to the cells or batteries contained therein and without any reduction of effectiveness, a force applied to the top surface equivalent to the total weight of identical packages stacked to a height of 3 meters (including the test sample) for a duration of 24 hours.

## What the source says

> Each package must be capable of withstanding, without damage to the cells or batteries contained therein and without any reduction of effectiveness, a force applied to the top surface equivalent to the total weight of identical packages stacked to a height of 3 meters (including the test sample) for a duration of 24 hours.

## 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/).
