Your fire alarm battery must cover the panel’s standby load plus alarm load. Three sizes cover most commercial panels: 12V 7Ah, 12V 18Ah, and 12V 33Ah.
Fire Alarm & Protection Blogs
Standalone vs Synchronized Wall Clocks: Which Does Your Facility Need?
When a facility needs clocks, there are two paths: standalone clocks that each keep their own time, or a synchronized (master clock) system that drives every clock from one time source. Both are valid — they just solve different problems. Here’s how to tell which one fits your building, your budget, and your timeline. Quick… Read more »
How Far Away Can You Read an LED Wall Clock?
The single most common question we get about digital wall clocks is simple: “Will people be able to read it from across the room?” The answer comes down to one number — digit height — and a rule of thumb you can apply to any space. Here’s how to size an LED wall clock for… Read more »
12-Hour vs 24-Hour (Military Time) Wall Clocks
How 12- and 24-hour (military time) LED wall clocks work, who needs them, and switch-selectable options in stock. Made in USA.
Pyramid DIG-4B vs DIG-6B: Which LED Wall Clock Do You Need?
DIG-4B (hours:minutes) or DIG-6B (hours:minutes:seconds)? Side-by-side specs, pricing, and which Pyramid LED wall clock fits your facility.
Large Digital Wall Clocks for Warehouses & Facilities
How to choose a large digital wall clock for a warehouse: sizing to 250 ft, mounting, battery backup, and the made-in-USA Pyramid DIG-4B.
Digital Wall Clocks with Seconds: A Buyer’s Guide for Labs, Gyms & Facilities
The best commercial digital wall clocks that show seconds (HH:MM:SS): where they’re needed, what to look for, and the made-in-USA Pyramid DIG-6B.
Where Can I Buy Discontinued Fire Alarm Parts?
Discontinued doesn’t mean unsupported. We stock legacy parts for Simplex, Siemens MXL, Notifier, Gamewell-FCI, EST, Fire-Lite and more.
Do Fire Alarm Strobes Have to Be Synchronized?
Synchronized strobes are a code requirement in occupied spaces. Sync modules and panel-side sync output cards make it work — here’s what you need.
Why Does the Fire Alarm Detector Base Matter?
The wrong detector base defeats sounder integration, isolator function, or remote-LED hookup. Match the base to the head and the panel’s SLC type.
