What Are the USPS Lithium Battery Label Exemptions for Low-Capacity Batteries?
The USPS allows limited exemptions for shipping low-capacity lithium batteries without hazardous material labels if they meet specific criteria. Batteries must be ≤2 grams lithium metal (primary) or ≤100 Wh (rechargeable), properly sealed, and packed in non-flammable materials. Devices containing these batteries must be turned off and protected from damage. International shipments require stricter compliance. … Read more