... , ER32L615 etc.Lithium manganese dioxide batteries:1/2AA, 2/3AA, AAA, AA,A, 2/3A, C, D, 123A, 9V replacement ... size D CR34615 Lithium manganese dioxide battery with solder tags is ideal for and widely used in utility metering, alarms and security devices ... highest energy density of any practical Lithium battery chemistry, three times greater than Alkaline (Zinc Manganese Dioxide) batteries. It also has ...