Rechargeable Battery Compatible with SportDOG 650-058 Battery Works for Kinetic MH120AAAL4GC Replacement and many other models Ni-MH, 4.8V, 150 mAh This battery is made with high quality Japanese cells, it is designed to meet or exceed the original battery performance. Long Lasting, Ultra Hi-Capacity Battery - 3-year Warranty

Synergy Digital Dog Collar Battery, Compatible with Kinetic MH120AAAL4GC Battery (Ni-MH, 4.8V, 150 mAh), Compatible with SportDOG 650-058, FR200, SDT00-11907, Interstate NIC1308 Batteries

Specifications:
Battery Chemstry: Ni-MH
Voltage: 4.8V
Capacity: 150 mAh
Compatible with: SportDOG 650-058 Battery
Works for: Kinetic MH120AAAL4GC Replacement and many more