USPS Packaging Instruction 9D - Postal Explorer
WEBLithium-ion batteries not packed with or installed in equipment (individual batteries): Mailpieces must bear a DOT-approved lithium battery mark, as specified in 49 CFR 173.185(c)(3)(i) and Exhibit 325.2 a, applied to the address side of the mailpiece. The mark must indicate UN3480 for lithium-ion cells or batteries.
349 Miscellaneous Hazardous Materials (Hazard Class 9) - Postal …
WEBExcept for mailpieces containing button cell batteries installed in equipment (including circuit boards), or no more than 4 lithium-ion cells or 2 lithium-ion batteries installed in the equipment they operate, mailpieces containing lithium-ion batteries must bear a DOT-approved lithium battery mark, as specified in 49 CFR 173.185(c)(3)(i) and ...
USPS Packaging Instruction 9E | Postal Explorer
WEBNo lithium battery markings permitted. Quantities must be within the limits of 622.5 and as outlined below. Lithium-ion batteries properly installed in the equipment they are intended to operate: Mailable internationally when permitted by country, including to and from APO, FPO, and DPO locations.
325 DOT Hazardous Materials Warning Labels and Markings
WEBThe warning labels shown in Exhibit 325.3 a, Exhibit 325.3 b, and Exhibit 325.4 may appear only on mailpieces containing mailable hazardous materials that require use of the label under Postal Service requirements.
622 Mailable Hazardous Materials - Postal Explorer
WEBVery small cells/batteries are mailable internationally with the following conditions: Each lithium metal cell and battery must contain no more than 0.3 gram of lithium content. Each lithium-ion cell/battery must have a watt-hour rating of not more than 2.7 Wh.
348 Corrosives (Hazard Class 8) - Postal Explorer
WEBFor lithium and lithium-ion batteries, see 349.22. Hydrochloric Acid (UN1789). Acceptable only in solutions not exceeding 10 percent acid that can qualify as a Limited Quantity air material or Limited Quantity surface material.
Publication 52 - Hazardous, Restricted, and Perishable Mail
WEBSep 7, 2023 — Publication 52 - Hazardous, Restricted, and Perishable Mail. September 7, 2023. Summary of Changes. Transmittal Letter. 1 Introduction. 2 General Guidelines. 3 Hazardous Materials. 4 Restricted Matter.
USPS Packaging Instruction 8B | Postal Explorer
WEBMarking. The outer packaging must be plainly and durably marked on the address with the text “NONSPILLABLE BATTERY, UN2800.”. Each mailpiece must include the mailer and addressee names and have a complete delivery and return address.
22 Marking Requirements - Postal Explorer
WEBHazardous materials and restricted or perishable matter, unless specifically excepted in 222, must be clearly marked, labeled and identified on the address side of the mailpiece (see 325.1 and DMM section 102.1.1 and 202.1.1).
135 Mailable Dangerous Goods - Postal Explorer
WEB135.64 Lithium-ion or Lithium Polymer (Rechargeable) Cells and Batteries. Small consumer-type lithium-ion or lithium polymer (rechargeable) cells and batteries like those used to power cell phones and laptop computers are mailable …