EXHIBIT 10.18


Summary of Related  Transaction  Agreement  by and between  Shenzhen BAK Battery
Co.,  Ltd. (the  "Company")  and Jilin  Provincial  Huaruan  Technology  Company
Limited by Shares ("Huaruan Company") dated as of October 18, 2003.

         The  agreement  relates to the  transfer of one patent and seven patent
application  rights from Huaruan Company to the Company for consideration in the
amount of RMB  32,000,000  Yuan.  The  first  payment  is due  within 30 days of
execution of the  agreement.  In the event of breach of contract,  the breaching
party must pay RMB  100,000  Yuan to the  non-breaching  party.  The Company has
fully performed on this agreement.