This is a CR123A Lithium Battery and is a replacement battery for the “PetSafe BAT-003 Battery”. This 3V Lithium battery is used in many PetSafe/Innotek dog collar devices.

This BAT-003(CR123A) Battery works in the following products:

• SD-3000 Contain ‘N’ Train
• SD-3100 Deluxe Contain N Train
• SD-3125 Extra Collar Receiver
• SD-3100/SD-3000 Training System
• CS-2000 Professional Training System
• CS-16000 Professional Training System
• CS-16000TT Track & Train System
• CS-011A Extra Collar Receiver
• TT-100A Basic Track & Train System
• TB-250 Beeper
• RD-400 Tracking System
• CS-200 System
• CS-300 System
• CS-800 System
• CS-1600 System
• In-Ground Fencing Collars
• Innotek Dog Collar Battery: Command Series Remote Training Collars (CS 200, CS 300, CS 800, and CS 1600)
• Old Tritronics Bark Limiter Bark Collar
• Tritronics Sportsman
• Tritronics Companion receivers
• Bark Limiter Collars and Supra Lite Collars

Battery comes in packs of 2 pcs. Please purchase in mulitples of 2s.