International Transport Regulations 23 required for both battery types. However, button cell batteries installed in equipment (including circuit boards) need not be considered; (b) the transport document shall indicate “UN 3091 LITHIUM METAL BATTERIES PACKED WITH EQUIPMENT” or “UN 3481 LITHIUM ION BATTERIES PACKED WITH EQUIPMENT”, as appropriate. If a package contains both lithium metal batteries and lithium ion batteries packed with and contained in equipment, then the transport document shall indicate both “UN 3091 LITHIUM METAL BATTERIES PACKED WITH EQUIPMENT” and “UN 3481 LITHIUM ION BATTERIES PACKED WITH EQUIPMENT”. IATA 2024 A181 - Air transport regulation clarifies the requirements for this combination of lithium batteries packed with equipment and lithium batteries contained in equipment in the same package: - the package must be marked UN 3091 Lithium metal batteries packed with equipment, or UN 3481 Lithium ion batteries packed with equipment as appropriate. - all applicable parts of both packing instructions must be met. - button cell batteries installed in equipment (including circuit boards) need not be considered. - the total weight of lithium batteries contained in any package must not exceed the limits for passenger aircraft or cargo aircraft, as applicable; - the Shipper's Declaration must indicate UN 3091 Lithium metal batteries packed with equipment or UN 3481 Lithium ion batteries packed with equipment, as appropriate. - if a package contains both lithium ion batteries and lithium metal batteries packed with and contained in equipment, the package must be marked as required for both battery types and the dangerous goods transport document must indicate both UN 3091 Lithium metal batteries packed with equipment and UN 3481 Lithium ion batteries packed with equipment. 1.3.6 Lithium batteries containing both a combination of primary lithium metal cells and rechargeable lithium ion cells According SP 387, lithium batteries containing both primary lithium metal cells and rechargeable lithium ion cells shall be assigned to UN Nos. 3090 or 3091 as appropriate. When such batteries are carried in accordance with special provision 188, the total lithium content of all lithium metal cells contained in the battery shall not exceed 1.5 g and the total capacity of all lithium ion cells contained in the battery shall not exceed 10 Wh. 1.4 Packaging Dangerous goods shall be packed in good quality packagings. Packagings shall be strong enough to withstand the shocks and loadings normally encountered during carriage, including trans-shipment between transport units and between transport units and warehouses. Packagings shall be constructed and closed so as to prevent any loss of contents when prepared for transport which might be caused under normal conditions of transport, by vibration, or by changes in temperature, humidity or pressure No dangerous residue shall adhere to the outside of packagings during carriage. "Overpack" means an enclosure used (by a single consignor in the case of Class 7) to contain one or more packages, consolidated into a single unit easier to handle and stow during carriage; Examples of Overpack:
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