3V CR1220 Lithium Coin Cell Battery with 2 Inch Leads This battery can be used with anything from personal computers, workstations and test equipment to telephones, copiers and remotes. Features Battery Type: CR1220 coin cell with 2" wire leads; Lithium Manganese Dioxide; Output: 3V @ 40mAh; Nominal capacity: 40mAh; Dimensions: 0.49" Diameter x 0.77" Length x 0.10" Thick; Weight: 0.8 grams;