The USPS prohibits mailing lithium-ion batteries internationally except when installed in devices. Lithium metal batteries are banned entirely for international air transport. Exceptions exist for small lithium-ion batteries (under 2.5g lithium content) sent via ground transportation to Canada. Always declare batteries and use protective packaging to prevent short-circuiting during transit. 24V 100Ah LiFePO4 Battery What … Read more
Can you ship lithium batteries via USPS internationally? USPS prohibits lithium batteries in international mail, with limited exceptions for batteries installed in devices (like phones) sent via Priority Mail Express International. Spare or loose batteries are banned globally. Domestic shipping allows certain small lithium batteries under strict packaging rules. How Does USPS Define Lithium Batteries … Read more
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
What is Southwest Airlines’ Lithium Battery Policy for Air Travel? Southwest Airlines permits lithium batteries in carry-on baggage only, adhering to FAA and DOT regulations. Spare lithium-ion batteries must not exceed 100 watt-hours (Wh), with a maximum of 20 spare batteries per passenger. Batteries installed in devices are unrestricted. Prohibited items include damaged or recalled … Read more
The USPS lithium battery policy restricts mailing standalone lithium-ion/polymer batteries domestically and internationally due to fire risks. Small batteries installed in devices (under 0.3g lithium content) are allowed with proper packaging. Batteries must meet UN testing standards, and shipping lithium-metal batteries requires ground transport only. Non-compliance risks fines or legal action. Always check USPS Publication … Read more