CR2032 (1 Coin Cell in clam shell package ) 3 Volt 220 mAh Lithium Batteries. Replaces Rayovac BR2032 in most cases as well as others. Rayovac has discontinued BR2032 and replaced it with CR2032. This battery can be used as a replacement in Dog Collars, Keyless Remotes, PDA's, Medical Scales, Remote Controls and other equipment.