Make sure it fits. Please check your part number Type: Ni-MH / Volts:6V / Capacity: 2200mAh ( Battery will fully charge after installation ) Compatible Part Numbers: GE Interlogix Simon Xti, XTi-5 Alarm Security System Wireless Control Panel Original Part Number: 600-XTI-BAT 100% Compatible with original battery ZZcell Battery Replacement for GE Interlogix Simon Xti, XTi-5 Alarm Security System 600-XTI-BAT Wireless Control Panel 6V 2200mAh