Honeywell Home LYNXRCHKIT-SHA 24-Hour Backup Battery for LYNX Touch L5210 and Internal GSM Radio

7.2VDC 3700mAh rechargeable battery pack designed for wireless security control panels. Provides extended backup power for LYNX Plus and LYNX Touch Series systems equipped with cellular alarm communicators. High-capacity rechargeable technology delivers longer runtime per charge than standard backup batteries. Proprietary battery size ensures optimal fit and reliable performance in compatible control panels. Eco-friendly design with nickel content supports responsible recycling. Replace aging batteries on your schedule to maintain continuous backup power protection for your security system.