The USPS allows shipping of lithium batteries domestically under strict conditions: cells must be installed in devices (≤8g lithium content) or shipped separately with protective packaging and specific labeling. International shipments are prohibited for loose… How to Ship Lithium Batteries via USPS: Complete Seller Guide
The USPS prohibits mailing lithium-ion batteries alone or in devices unless they meet specific criteria. Batteries must be installed in equipment, under 100-watt hours, and packaged to prevent short circuits. Loose batteries are banned. Violations… What Are the Legal Penalties for Mailing Lithium Batteries via USPS
What Are the Penalties for Incorrect USPS Lithium Battery Label Usage? Incorrectly labeling lithium battery shipments via USPS can result in fines up to $10,000 per violation, shipment confiscation, legal liability for damages, and suspension… USPS Lithium Battery Labeling Regulations and Penalties