49 CFR 173.185(b)(3)(i) — lithium ion cell — lithium battery shipping limit
For 49 CFR 173.185(b)(3)(i), applies to is lithium ion cell; threshold is 20 Wh; requirement is The Watt-hour (Wh) rating may not exceed 20 Wh, recorded from its source on 2026-08-03; source re-checked 2026-09-15.
- Provision
- (b)(3)(i)
- Applies to
- lithium ion cell verified
- Threshold
- 20 Wh verified
- Requirement
- The Watt-hour (Wh) rating may not exceed 20 Wh verified
What the source says
(i) The Watt-hour (Wh) rating may not exceed 20 Wh for a lithium ion cell or 100 Wh for a lithium ion battery. After December 31, 2015, each lithium ion battery subject to this provision must be marked with the Watt-hour rating on the outside case.
— ecfr.gov, retrieved 2026-08-03
Source
- ecfr.govhttps://www.ecfr.gov/current/title-49/section-173.185