This DL1/3N Duracell Lithium 3 Volt Battery is the longest lasting battery you can buy for your camera or your dog collar. Yes this battery can also be used in your Invisible Fence brand Powercap collars. The DL1/3N 3V lithium battery is contained inside the proprietary Invisible Fence Powercap.
*The Powercap battery is a proprietary casing used to house the battery that powers the collars. The DL1/3N battery is the battery used inside the Powercap. We sell the batteries, not the casing.