USPS Lithium Battery Shipping Regulations 2023: Certification, Packaging & New Rules
The USPS requires lithium batteries to meet specific safety certifications, such as UN 38.3 testing and proper packaging under ASTM D-4169. Shipments must exclude damaged or recalled batteries, adhere to watt-hour limits, and include mandatory markings. Non-compliance risks fines, shipment rejection, or legal action. Always check USPS Publication 52 for updates. Southwest Airlines Lithium Policy … Read more