---
type: provision
id: a-package-containing-lithium-cells-or-batteries-or-lithium-cells-or-batteries-pa-c-1-i
asset: lithium-battery-shipping-limits
title: "(c)(1)(i) — Lithium battery shipping limits (49 CFR 173.185)"
sources:
  - https://www.ecfr.gov/current/title-49/section-173.185
source_quote: "( i ) The Watt-hour (Wh) rating may not exceed 20 Wh for a lithium ion cell or 100 Wh for a lithium ion battery."
generated: true
verified: false
harvested: 2026-08-03
stale_after: 2027-01-30
provision: "(c)(1)(i)"
applies_to: "a package containing lithium cells or batteries, or lithium cells or batteries packed with, or contained in, equipment"
threshold: "20 Wh"
requirement: "The Watt-hour (Wh) rating may not exceed 20 Wh for a lithium ion cell"
unverified_fields: applies_to, provision
---
**Provision:** (c)(1)(i)

**Applies to:** a package containing lithium cells or batteries, or lithium cells or batteries packed with, or contained in, equipment

**Threshold:** 20 Wh

**Requirement:** The Watt-hour (Wh) rating may not exceed 20 Wh for a lithium ion cell

> ( i ) The Watt-hour (Wh) rating may not exceed 20 Wh for a lithium ion cell or 100 Wh for a lithium ion battery.

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