Duracell Plus MN1604 Alkaline 9 V Battery - 2-Pack Defenders Universal Repeller Adaptor Duracell Plus MN1604 Battery Alkaline 9V Ref 75051888/81275365 Pack 2 Defenders STV612 9V Universal Repeller Adaptor Use with Cat and Mole Repeller Procter Pest-Stop Cat Repeller Rods (4 Pack)