GREAT POWER Lithium battery-1/2AA is one of the most reliable lithium primary battery, ... 5 YEARS! Competences of GREAT POWER Lithium battery---ER14250(1/2AA),1) High capacity: up to 1.2Ah2) High operation voltage: 3.6V3) Over ... , Military devices, emengency security systems...etcAvailable Types: ER34615, ER14505(AA), ER14250, ER14335, ER9V, ER17335 and so on. Supply lithium battery---Size ...