SAFT, Lithium, 1,200 mAh Capacity, Battery - 4FJL3|LS14250BA - Grainger
Synergy Digital Saft Batteries, Compatible with Dogwatch System 3000 Dog Collar (3.6V, 1200 mAh, Lithium) kit Includes: 4 x COMP-4-SAFT Batteries - Yahoo Shopping
Amazon.com: Synergy Digital Saft Batteries, Compatible with Dogwatch System 3000 Dog Collar (3.6V, 1200 mAh, Lithium) kit Includes: 2 x COMP-4-SAFT Batteries : Pet Supplies