USPS Packaging Instruction 9D

Lithium Metal and Lithium-ion Cells and Batteries — Domestic

Lithium metal (nonrechargeable) cells and batteries and lithium-ion (rechargeable) cells and batteries are mailable in limited quantities domestically via air or surface transportation when they are installed in or packed with the equipment they are intended to operate. Unless otherwise excepted, lithium metal and lithium-ion batteries (without equipment) are mailable in limited quantities domestically via surface transportation only.

Proper Shipping Name

ID Number

Mailability

  • Lithium metal and lithium-ion cells and batteries installed in or packed with equipment are mailable via air or surface transportation.
  • Lithium-ion (or lithium polymer) batteries may be mailed, in limited quantities, via air transportation when both shipped from, and intended for delivery to, the state of Alaska under 349.222.
  • Except as provided above, individual lithium metal (or lithium alloy) and lithium-ion (or lithium polymer) batteries (without equipment) are mailable in limited quantities via surface transportation only, provided the batteries are in the originally sealed packaging, and packaged and marked as described in 349.221 and 349.222, as applicable.

Required Packaging

Lithium Metal and Lithium-ion Batteries
Markings

Note: DOT-approved lithium battery markings must be applied to all mailpieces when there are more than two mailpieces in a single consignment as defined in 349.12b.

Note: DOT-approved lithium battery markings must be applied to all mailpieces when there are more than two mailpieces in a single consignment as defined in 349.12b.

Quantities
Domestic — Lithium Metal Cells and Batteries:

Installed in or packed with the equipment they are intended to operate:

Individual batteries mailed without equipment:

Domestic — Lithium-ion Cells and Batteries:

Installed in or packed with the equipment they are intended to operate:

Individual batteries mailed without equipment:

Domestic — Small Lithium Metal or Lithium-ion Batteries

Very small, consumer-type batteries, installed in equipment, or packed with equipment:

Domestic Lithium Battery Mailability Exhibit

 

 

Surface Transportation

Air Transportation

Mailpiece Limitations1

Lithium Metal or Lithium Alloy Batteries, 2, 3

Small, non-rechargeable, consumer-type batteries

Contained in (properly installed in equipment)

Mailable

Mailable

8 cells or 2 batteries

11lbs.

Packed with equipment, but not installed in the equipment

Mailable

Mailable

8 cells or 2 batteries

11lbs.

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

Mailable

Prohibited

5 lbs.

Lithium-ion or Lithium Polymer Batteries 4, 5

Small, rechargeable, consumer-type batteries

Contained in (properly installed in equipment)

Mailable

Mailable

8 cells or 2 batteries

Packed with equipment, but not installed in the equipment

Mailable

Mailable

8 cells or 2 batteries

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

Mailable

Prohibited

5 lbs.

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

(Intra-Alaska only)

*

Mailable

8 cells or 2 batteries

Very Small Lithium Metal or Lithium-ion Batteries, 6, 7

Exception for very small consumer-type batteries in USPS air transportation

Contained in (properly installed in equipment)

Mailable

Mailable

No limit on cells/batteries

5.5 lbs.

Packed with equipment, but not installed in the equipment

Mailable

Mailable

No limit on cells/batteries

5.5 lbs.

Damaged/Recalled Batteries

Prohibited, unless approved by the manager, Product Classification.