IEC <br/><br/>
IEC 61960-3:2017;  Secondary cells and batteries containing alkaline or other non-acid electrolytes - Secondary lithium cells and batteries for portable applications - Part 3: Prismatic and cylindrical lithium secondary cells and batteries made from them 

 - Ed. 1.0 
 -  International Electrotechnical Commission  2017 
 - 46 
 - 0