August 02, 2023

Batteries for the Security Alarm System

OUR ALARM SYSTEM operates with the help of various batteries. Below the jump, this post discusses them and how to replace them (upon seeing a “low battery” warning). It focuses mostly on the main system battery, shown here.


About the Main Battery

The main (“system”) battery is a UB1270, according to the manufacturer’s Quick Guide. (The full owner’s manual is HERE, but it doesn’t say much about batteries and their replacement.) The “UB” refers to the OEM manufacturer, Universal Battery; competing manufacturers’ batteries will have their own letter codes. The “1270” refers to the fact that this battery has a 12-volt 7-amp rating. 

The following web pages may be helpful in replacing the system battery.

GENERAL

LOCATING OUR BATTERY
The system battery is located inside a panel box, located behind the controller display.
Identifying Your System Batteryalpha.adt.com


PROCURING A REPLACEMENT

When ordering a replacement, look for one of the AGM type (not gel [despite what the ADT rep says], and not LiFePO4 = lithium phosphate). Also look for F1 battery terminals (not F2). For background on these attributes, see HERE.)

I don’t know what Mishkon’s records show as to the past procurement source for the system battery. Despite what the ADT website and customer reps say, Google Shopping could not locate the exact recommended make and model (UB1270) anywhere in the L.A. metro area, nor could I find one locally or even online from Batteries Plus or Target or Home Depot or Lowe’s. 

From Amazon (several sellers), a UB1270 takes 3 days or more. 

An apparently compatible model from another manufacturer, CA1270, is available for faster delivery. (That is what we ordered this week, because we understood that the need was urgent.)

I wrote to the manufacturer (Casil Batteries USA) and asked what the shelf life of their battery is — in the thought of perhaps keeping a spare on hand, or buying 2 at a time, to save money. However, the sales manager replied,

It's not worth having one sitting around. You would have to charge it every 3 months, and most likely it would go dead before the battery in the alarm system. SLA [Sealed Lead-Acid] batteries are made to be used, not to sit around.

(Perhaps avoid ordering from batteryguy.com, which seems too good to be true — it promises low prices and quick delivery but looks quite sketchy and potentially unreliable.) 


REPLACEMENT GUIDE

MyADTmyadt.com


Other Batteries

According to an ADT customer service rep, our alarm system uses the following other batteries, as well.

• Doors/Windows/Motion Detectors:  3-volt Lithium (Panasonic CR123A)
• Smoke Detector:  (2) 9-volt Alkaline
• Key fobs and Panics:  (2) 3-volt Lithium (CR2025 Hearing Aid type or CR2430)

Reportedly there is also a 16.5-volt AC transformer screwed into an outlet somewhere on the premises. 

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