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USPS Packaging Instruction 9E

Lithium Metal and Lithium-ion Cells and Batteries — International and APO/FPO/DPO

Lithium metal (non-rechargeable) cells and batteries and lithium-ion (rechargeable) cells and batteries are mailable in limited quantities internationally or to and from APO, FPO, or DPO locations only when they are properly installed in the equipment they operate. Lithium batteries must also be accepted by the destination country as designated by the Individual Country Listing in the IMM. APO/FPO/DPO destinations are also subject to the conditions prescribed by the Department of Defense (DOD) as listed in Overseas Military/Diplomatic Mail in the Postal Bulletin.

Proper Shipping Name

ID Number

Mailability

Required Packaging

Lithium Metal and Lithium-ion Batteries
Markings
Quantities
International — Lithium Metal Cells and Batteries:

Installed in equipment:

International — Very Small Lithium Metal and Lithium-ion Cells and Batteries:

Installed in equipment:

International Lithium Battery Mailability Exhibit

 

International
APO/FPO/DPO1

Mailpiece
Battery Limit

Lithium Metal or Lithium Alloy Batteries2, 3

Small, non-rechargeable, consumer-type batteries

Contained in (properly installed in equipment)

Mailable

Maximum of 4 cells or 2 batteries

Packed with equipment, but not installed in the equipment

Prohibited

Without the equipment they operate (individual batteries in originally sealed packaging)

Prohibited

Lithium-ion or Lithium Polymer Batteries4, 5

Small, rechargeable, consumer-type batteries

Contained in (properly installed in equipment)

Mailable

Maximum of 4 cells or 2 batteries

Packed with equipment, but not installed in the equipment

Prohibited

 

Without the equipment they operate (individual batteries in originally sealed packaging)

Prohibited

 

Very Small Lithium Metal or Lithium-ion Batteries6, 7

Exception for very small consumer-type batteries in international mailings

Contained in (properly installed in equipment)

Mailable

Maximum of 4 cells or 2 batteries

Packed with equipment, but not installed in the equipment

Prohibited

 

Without the equipment they operate (individual batteries in originally sealed packaging)

Prohibited

 

1. Unless otherwise prohibited by the international destination country or specific APO/FPO/DPO ZIP Code location.

2. Each lithium metal or lithium alloy cell must not contain more than 1.0 g lithium content.

3. Each lithium metal or lithium alloy battery must not contain more than 2.0 g aggregate lithium content.

4. Each lithium-ion or lithium polymer cell must not exceed more than 20 Wh per cell.

5. Each lithium-ion or lithium polymer battery must not exceed 100 Wh.

6. Each lithium metal or lithium alloy cell or battery must not exceed 0.3 g of lithium content.

7. Each lithium-ion or lithium polymer cell or battery must not exceed a watt-hour rating of 2.7 Wh.

Note: Shipments containing lithium batteries are not permitted in Global Express Guaranteed mailpieces.