Safety Hard board paper box /wooden carton Li-ion batteries are classified as Dangerous Goods for transport according to the UN Model regulation for the Transport of Dangerous Goods.They are classified under CLASS 9 Dangerous Goods due to their dual hazard properties associated with their chemical and electrical content UN 3480 We ship lithium ion battery by a 20 feet Dangerous Goods container by sea from Shenzhen to Rotterdam every month.with huge stock For more information of calb LiFePO4 Battery Cells. pls feel free to contact Deligreen