1. sunmoon Model No.: Super Heavy Duty AA Battery R6P 2. IEC Model NO.: R6P 3. ANSI Model NO.: 15D 4. Capacity: 3.9-0.9V test 105mins 5. Norminated Voltage: 1.5V 6. Chemical structure: 7. Cathod - Manganese dioxide 8.Anode - Zinc Can 9.Electrolyte - Zinc chloride in water 10. Height: 49.2~50.5mm 11. Diameter: 13.5~14.5mm 12. Shelf Life: 2 years