Duracell DL 1/3N Battery – 1/3 N BatteryThe Duracell DL 1-3N battery is a powerful battery for high drain devices. Primarily used in dog collar batteries, 1-3 N batteries keep Fido safe and sound. Replace Invisible Fence® brand Powercap® collar batteries at a fraction of the cost. These 1-3 n batteries ship free and are 100% guaranteed. Volume discounts are available, so buy 1-3N battery in bulk and save. Choose Medic Batteries for your Duracell DL 1-3N battery needs.