Li/MnO2 Cylindrical Battery Application: Digital camera, AF camera, photo flash, water meter, gas meter, flow meter, two way radio, fire alarm, emergency light, medical equipment, toys etc. Li/MnO2 Cylindrical Battery Feature: (1) high energy density up to 270WH/Kg(510WH/dm3). (2) High operation voltage, 2.7V~3.0V upon loading resistance. (3) Long storage life, less than 2% of self-discharging rate per year, could be stored for 10 year at room temperature. (4) Spiral electrodes construction, could be discharged at large rate. (5) Wide operation temperature range, -40℃~+70℃. (6) Non-magnetic stainless steel case, hermetically sealed. Be safe for transportation and general shock. No leakage problem.