Will you install a backup power system, such as a battery, that will ensure my home alarm still works if the power goes out in a storm or if an intruder disconnects the power? Yes, we will install a four-hour battery backup. Firefly Marketing2025-02-18T16:44:08-06:00February 18th, 2025|Categories: Equipment| Share This Post FacebookXLinkedInWhatsAppVkXingEmail