From Graces Guide
of Swinton, Manchester
1937 Summit Battery Co Ltd formed by Chloride Electrical Storage Co as a subsidiary to manufacture radio batteries.
1949 Name changed to Chloride Batteries Ltd. Took over the manufacture and sale of electric storage batteries from the parent company.
1961 Manufacturers and distributors of all types of electric storage batteries. 3,000 employees. 
1963 Motor Show exhibitor. Batteries. 
1974 Mr John David was appointed Managing Director of Chloride Industrial Batteries (CIBL).
1980s Chloride Motive Power Co?