This standard is applicable to the quality classification of cadmium-nickel square sealed alkaline batteries. This standard only gives key technical indicators and is not a complete standard. It must be used together with SJ/T10169 and related detailed specifications.
SJ/T 9550.4-1993 history
1993SJ/T 9550.4-1993 Sealed square nickel-cadmium alkaline batteries--Quality grading standard