USPS lithium labeling requirements

What Are the USPS Lithium Battery Label Requirements for Lithium-Ion vs. Lithium-Metal?

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The USPS requires specific labeling for lithium-ion and lithium-metal batteries to ensure safe transport. Lithium-ion batteries (over 100Wh) need a Class 9 hazard label, UN3481 marking, and proper packaging. Lithium-metal batteries (over 0.3g lithium) require a Class 9 label, UN3090 marking, and strict quantity limits. Both types must exclude air mail and include safety documentation. … Read more

What Are USPS Lithium Battery Label Rules for Prohibited Destinations?

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USPS prohibits shipping lithium batteries to certain destinations due to safety risks. Batteries must meet specific labeling, packaging, and documentation requirements. Prohibited locations include countries with strict hazardous material bans. Non-compliance risks fines, shipment seizures, or legal action. Always verify current USPS guidelines before mailing lithium batteries internationally. 24V 100Ah LiFePO4 How Does USPS Classify … Read more

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