# (c)(4)(i) — Lithium battery shipping limits (49 CFR 173.185)

For (c)(4)(i), applies to is lithium cells or batteries packed with, or contained in, equipment; threshold is 5 kg; requirement is The total net quantity (mass) of the lithium cells or batteries in the completed package must not exceed 5 kg, recorded from its source on 2026-08-03.

- **Provision:** (c)(4)(i) _(unconfirmed — we could not tie this to the quote below)_
- **Applies to:** lithium cells or batteries packed with, or contained in, equipment _(unconfirmed — we could not tie this to the quote below)_
- **Threshold:** 5 kg
- **Requirement:** The total net quantity (mass) of the lithium cells or batteries in the completed package must not exceed 5 kg.

## What the source says

> The number of cells or batteries in each package is limited to the minimum number required to power the piece of equipment, plus two spare sets, and the total net quantity (mass) of the lithium cells or batteries in the completed package must not exceed 5 kg.

## 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/).