This standard specifies the technical requirements and inspection rules for PR20 zinc air (chlorine) alkaline batteries. This standard applies to PR20 zinc-air batteries used as DC power sources in communications equipment, geology, earthquakes, communications and amplifiers, measuring instruments, oil detectors, flaw detectors, recorders, electric toys and other electrical appliances.
SJ/T 10172-1991 history
1991SJ/T 10172-1991 Zinc-air(oxygen)alkaline battery type PR20