6LR61 9V SIZE Nominal Voltage: 9V Capacity:45hours (620ohm continuous discharge ,end voltage 5.4Volt) Approximate Weight:51g Height:48.5 mm Length:26.3 mm Width:17.3 mm Jacket: Foil Jacket or PVC jacket Shrink or Blister card packing Production capacity:5000pcs/day 0%Mercury&Cadmium Leakage- proof Super long lasting power and shelf life; Main Applications:Wireless Transmitter,Walkie Talkie,Infrared Iuductor,Multimeter,Smoke Alarm etc.