Synergy Digital Dog Collar Battery, Compatible with SportDOG SD-825X Dog Collar, (Li-Pol, 3.7V, 160 mAh) Ultra High Capacity, Replacement for SportDOG SAC54-13735 BatterySpecifications: Battery Chemistry: Li-PolVoltage: 3.7VCapacity: 160 mAhCompatible with: SportDOG SAC54-13735 BatteryWorks for: SportDOG SD-825X Dog Collar and many more
Quantity
Goes well with this item. Each is the same price as on its own page.