Sometimes there is a confusion as to what marks, labels and placards are required for lithium batteries shipments by sea.
Here is the quick reference chart for guidance
| UN No. | Marks on packages | Labels on packages | Marks & Placards on CTU | Reference |
| 3090 | UN 3090 LITHIUM METAL BATTERIES |  |  If single cargo & gross mass more than 4000 kg then CTU must be marked with UN Number | SP 384 5.3.2.1.1 |
| 3091 | UN 3091 LITHIUM METAL BATTERIES CONTAINED IN EQUIPMENT or UN 3091 LITHIUM METAL BATTERIES PACKED WITH EQUIPMENT |  | If single cargo & gross mass more than 4000 kg then CTU must be marked with UN Number | SP 384 5.3.2.1.1 |
| UN No. | Marks on packages | Labels on packages | Marks & Placards on CTU | Reference |
| 3480 | UN 3480 LITHIUM ION BATTERIES | | If single cargo & gross mass more than 4000 kg then CTU must be marked with UN Number | SP 384 5.3.2.1.1 |
| 3481 | UN 3481 LITHIUM ION BATTERIES CONTAINED IN EQUIPMENT or UN 3481 LITHIUM ION BATTERIES PACKED WITH EQUIPMENT | | If single cargo & gross mass more than 4000 kg then CTU must be marked with UN Number | SP 384 5.3.2.1.1 |
| UN No. | Marks on packages | Labels on packages | Marks & Placards on CTU | Reference |
| Under SP 188 |  Mark to include ‘UN 3090’ for lithium metal cells or batteries – ‘UN 3480’ for lithium ion cells or batteries. For cells batteries contained in, or packed with, equipment, ‘UN 3091’ or ‘UN 3481’ Where a package contains lithium cells or batteries assigned to different UN numbers, all applicable UN numbers shall be indicated on one or more marks. Include telephone number for additional information | Nil | Nil | SP 188 5.2.1.10 |
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