10.20.5 Primary Lithium (Non-Rechargeable) Cells and Batteries
[Revise 10.20.5 as follows:]
Small consumer-type primary lithium cells or batteries (lithium metal or lithium alloy) like those used to power cameras and flashlights are mailable domestically under the following conditions. Mailing batteries internationally, or to and from APO, FPO, or DPO destinations, is prohibited regardless of mail class. See IMM 136 for details.
a. General. The following restrictions apply to the mailability of all primary lithium (nonrechargeable) cells and batteries:
1. Each cell must contain no more than 1.0 gram (g) of lithium content per cell.
2. Each battery must contain no more than 2.0 g aggregate lithium content per battery.
d. Mailed Without Equipment. The following additional restrictions apply to the mailing of primary cells or batteries without equipment:
1. The primary lithium cells and batteries must be mailed in “the originally sealed packaging”.
2. The sealed packages of batteries must be separated and cushioned to prevent short circuit, movement, or damage.
3. The shipment must be contained in a strong enough sealed package to prevent crushing of the package or exposure of the contents during normal handling in the mail.
4. They may only be sent via surface transportation.
5. The outside of the package must be marked on the address side “Surface Mail Only, Primary Lithium Batteries—Forbidden for Transportation Aboard Passenger Aircraft.”
6. The mailpiece must not exceed 5 pounds