... operation voltage Nominal capacity: 1400m 3V Li/MnO2 CR123A battery built-in PTC Product detailsPlace of Origin: Guangdong China (Mainland)Brand ... 2.0VApproved CE, PSE, REACH, RoSH, UN38.3 test and certificates. Feature1.High energy density up to 270WH/kg(510WH ... water meter,gasmeter,flow meter,two way radio, fire alarm,emergency light,medical equipment,toys etc. 3VLi/MnO2 CR123A battery built-in PTC