BatteryGuy > Alarm Systems Batteries > Alarm Systems Battery 12v 2.5ah | 0810-0109

Alarm Systems Battery 12v 2.5ah | 0810-0109

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12 volts 2.5 ah L: 1.48" H: 8.01" W: 1.48" 2.50 lbs 30 Wh
Alarm Systems Battery 12v 2.5ah | 0810-0109
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BatteryGuy Price: 1 battery batteries 1 $75.54
Quantity (179 available)

Replacement 12 Volt 2.5 Amp Hour Alarm System Battery

(This is one Battery – Please verify quantity needed for your application before ordering)

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Product Features

Maintenance Free

Maintenance Free

BatteryGuy Alarm Systems batteries do not require any maintenance while in use. Electrolyte levels are calibrated during factory production.

Puncture Resistant Case

Puncture Resistant Case

The casing of this Alarm Systems battery has been designed to protect the internal components from impacts with sharp objects for extra durability in transport and use.

Corrosion Resistance

Corrosion Resistance

Both the terminals and casing are rust resistant so you won't experience loss of power because of faulty connections even in humid conditions.

High Energy Density

High Energy Density

The way we make our 12 volt 2.5ah Alarm Systems batteries means you get an excellent energy per pound of weight ratio.

Optimized Conductivity

Optimized Conductivity

The materials we use inside and out have been specially selected for their optimal electrical conductivity so energy loss inside the battery is minimized.

Impact Resistant

Impact Resistant

All our Alarm Systems batteries are designed to survive impacts making them tough in transport and tough in use.

Detailed description

Replacement 12 Volt 2.5 Amp Hour Alarm System Battery


Chemistry: Pure Lead

Dimensions: 8.01" L x 1.48" Diameter

Weight: 2.5 lbs

Description: Six D Cells in a Vertical Stack

Connector Type: Wire Leads

Alarm batteries of this type are typically used in home alarm systems, fire alarms, security alarms, medical monitoring alarms, car alarms and business alarms.  Alarm batteries are used for back-up power in case of power outages or power surges.  A fully charged and maintained alarm system battery can give you piece of mind that your alarm system if fully functional even without power.  Your main alarm system back-up battery can typically be found in a battery panel located on the wall or in a battery bank possibly in a closet.  Remember, if you have a wireless alarm system you may also have batteries to maintain in your remote key fob, motion sensors, strobe lights, sirens, transmitters or other devices.  Other places to find alarm system batteries may be in back up lighting and fire and smoke sensors.


                                               Battery Benifits

• Spill proof,  valve regulated design allows for the installation of  this battery in any position

• Absorbent Glass Mat (AGM)  technology  allows for optimal performance

• Excellant resistance to vibration, shock, chemicals and heat


Detailed Images

Alarm Systems Battery 12v 2.5ah | 0810-0109
Alarm Systems Battery 12v 2.5ah | 0810-0109

Technical Specifications

Voltage 12 volts
Amperage 2.5 ah
Dimensions L: 1.48", H: 8.01", W: 1.48"
Product code 0810-0109
SKU - 17722
Availability In stock.
Same day shipping available
Condition New
Quantity in stock 179 item(s) available
Weight 2.50 lbs
UPC 00842923132419
Safety Data Sheet
Product Brochure

Product Q&As

Product Q&A

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Alerts and Warnings

If your application runs on multiple batteries, make sure to replace all of them at the same time or you will dramatically reduce the lifespan of the new batteries by mixing them with older batteries.

You have to install your replacement batteries in the same original configuration they came out and are required to use your existing hardware and cables to reconnect the replacement batteries when applicable.

It is your responsibility to verify the battery or batteries being ordered match the battery or batteries in your application prior to placing your order. Please check your:

  • existing battery dimensions (Length x Width x Height)
  • quantity needed to replace all batteries
  • voltage and amp hour requirements

Manufacturers may change requirements without notice. BatteryGuy is not responsible for incorrect orders - if you need help, please contact us.


Batteries, battery posts, battery terminals, and related accessories can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

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