... up to 270WH/Kg High operation voltage CR123A 3.0V water meter Lithium batteries Li/MnO2 battery Product detailsPlace of Origin: ... voltage:2.0VApproved CE, PSE, REACH, RoSH, UN38.3 test and certificates. Feature1.High energy density up to 270WH/kg ... Application Digital camera,LED flashlights,AF camera,photo flash,water meter,gasmeter,flow meter,two way radio, fire alarm,emergency light,medical ...