CR/HT Lithium Manganese Button Cells: Reliable High-Temperature Performance for Demanding EnvironmentsStandard lithium manganese dioxide (Li/MnO₂) button cells are trusted worldwide for their stable 3V power and long shelf life. However, many applications—particularly in automotive, industrial, and outdoor environments—operate under elevated temperatures that can compromise the performance and safety of standard cells. CR/HT (High-Temperature) Lithium Manganese Button Cells are engineered specifically to address these challenges. Combining the proven CR chemistry with enhanced materials and construction, HT variants deliver reliable power in environments where standard coin cells may fail.What Is a CR/HT Button Cell?The “CR” designation indicates a round lithium battery utilizing manganese dioxide (MnO₂) as the cathode and metallic lithium as the anode. The “HT” (High-Temperature) suffix denotes a specialized version designed to withstand extended exposure to elevated temperatures without degradation in performance, safety, or service life.

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