3V Li/MnO2 CR123A battery built-in PTC : High energy density up to 270WH/Kg ... voltage Nominal capacity: 1400m 3V Li/MnO2 CR123A battery built-in PTC Product detailsPlace of Origin: Guangdong China (Mainland)Brand ... at large rate.5. Wide operation temperature range,-40 °C~+70°C6.Non-magnetic stainless steel case,hermetically sealed. ... ,medical equipment,toys etc. 3VLi/MnO2 CR123A battery built-in PTC