DGR 22.214.171.124 which refers to spare lithium batteries do not confine the purpose of use. Subparagraph (a) does refer to electronic medical devices, and (b) mentions about lithium batteries used for cameras and the like, it contains personal games and others. The purpose of use would not determine whether the lithium battery is dangerous or not. For your information, according to Addendum No.2 dated 4 May 2015 to DGR 56th Edition, provisions on e-cigarettes have been introduced as 126.96.36.199. Please refer to TOPICS on our web site.