This is a case of 72 Procell 9 Volt Batteries and these come with Protective Caps.
These are great batteries for sound equipment.
ALKALINE-MANGANESE DIOXIDE BATTERY
KEY FEATURES
▪ Reliable Performance▪ Excellent resistance to corrosion▪ Designed to meet all major quality, safetyand environmental standards:o Safety: IEC 60086-5o ANSI C 18.1M, Part-2o EU Battery Directiveo Quality: ISO 14001 and 9001, Duracell WorldClass Continuous Improvement Program
TYPICAL APPLICATIONS▪ Carbon Monoxide Detectors▪ Smoke Detectors▪ Multimeters▪ Medical Devices▪ Microphones
ELECTRICAL CHARACTERISTICS
▪ Nominal capacity (2 mA Cont., 5V cut-off) 673 mAh▪ Typical Voltage (at + 20 °C) 9 V▪ AC Impedance @ 1kHz 1,700 mΩPHYSICAL CHARACTERISTICS▪ Typical weight 45.0 g (1.6 oz)▪ Typical volume 22.8 cm₃(1.4 in₃)▪ Terminals Miniature snap
OPERATING & STORAGE CONDITIONS
▪ Operating temperature range -20°C to 54°C(-4°F to 130°F)▪ Recommended Storage (storage areashould be clean, cool, dry andventilated)5°C to 30°C(41°F to 86° F)
