Reference Source

Lithium metal batteries (including lithium alloy batteries) contained in equipment

For Lithium metal batteries (including lithium alloy batteries) contained in equipment, carrier is USPS; restriction type is restricted; scope is domestic mail (air and surface); conditions is Hazard class 9, UN3091, packing group not stated; domestic mail air: 9D; domestic mail surface: 9D, recorded from its source on 2026-08-10.

Item category
Lithium metal batteries (including lithium alloy batteries) contained in equipment verified
Carrier
USPS our reading
Restriction type
restricted our reading
Scope
domestic mail (air and surface) our reading
Conditions
Hazard class 9, UN3091, packing group not stated; domestic mail air: 9D; domestic mail surface: 9D verified
Sourcepe.usps.com
Verified
Review by
DatasetPostal shipping restrictions by item category

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

Lithium metal batteries (including lithium alloy batteries) contained in equipment 9 UN3091 N/A 9D 9D

pe.usps.com, retrieved 2026-08-10

Source

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