Eveready 1209 Super Heavy Duty 6 Volt Spring Top Lantern Battery 11AH. Replaces N206, EV190, 908A, MN908, 806, PC908, GP6V, 941 6V-HD, 509, 4LR25 Chemical System: Zinc-Manganese Dioxide (Zn/MnO 2) (No Added Mercury or Cadmium) Designation: ANSI-908D, IEC-4R25 Battery Voltage: 6.0 Volts Operating Temp: -18ºC to 55ºC (0ºF to 130ºF) Average Weight: 600 grams (21.2 oz.) Volume: 492 cubic centimeters (30 cubic inch) Average Capacity: 11 Ah to 0.8 volts / cell (Rated at 25mA continuous at 21ºC) Cell: Four No. 60 (size "F") in series Jacket: Plastic Terminal: Coil Spring