This 7.2 V 2600 mAh Ni-MH backup battery pack is designed to replace the standard internal control panel battery and help keep your security system operating during power outages and emergency events. Use it as a routine maintenance replacement to restore reliable standby power, reduce low-battery warnings, and keep your alarm system ready around the clock. Compatible with 2gig BATT1X / BATT2X / BATT1 / BATT1 GC2 / GC2 / 2GIG-CNTRL2 / 2GIG-CP2 / GCKIT311 Go Control Panel Security System Alarm / Linear PERS-4200; replaces 6MR2600AAY4Z / 10-000009-001 / 10-000013-001. Disclaimer: This is not an Original Equipment Manufacturer (OEM) product, HQRP branded product is a replacement. All brand names and logos are registered trademarks of their respective owners. Any use of the brand names or model designations for this product are made solely for purposes of demonstrating compatibility.