How to Ship Wet, Dry, and Lithium Batteries | FedEx
When the Lithium Battery Mark (IATA Figure 7.1.C) is required and used for Section IB and permitted Section II lithium battery shipments, the UN number(s) must be added to the mark. The UN number indicated on the mark should be at least 12 mm high. Note: The Lithium Battery Mark cannot be folded or wrapped around multiple sides of the package.