Principal activities and organization (Tables)

12 Months Ended

Dec. 31, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Subsidiaries and Principal Activities [Table Text Block]

The Company’s principal activities are described as follows:

Name of company	Place and date incorporation	Principal activities
HKHTC	Hong Kong July 4, 2003	Investment holding and marketing of batteries
SZ Highpower	PRC October 8, 2002	Manufacturing, marketing and research of Ni-MH batteries
SZ Springpower	PRC June 4, 2008	Manufacturing, marketing and research of lithium batteries
ICON	PRC February 23, 2011	Design and production of advanced battery packs and systems
HZ HTC	PRC March 8, 2012	Manufacturing, marketing and research of lithium batteries