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HI QUALITY  REPLACEMENT BATTERIES FOR CSB , SECURE , DSC , UB UNIVERSAL , YUASA , EXALTOR  ETC...


 Batteries rated 12V 4AH  and  12V 7AH are used in 98% of hardwired home alarm systems.
 For your system both will work just fine. The 7A will provide backup power for the panel and devices for a longer time versus 4A battery.
Physical size is important as you want to make sure was left enough room in the control panel by the installer, for wire, circuit board, extra parts ( relay, expander etc..) and a large 7A battery.
You have also a easier way to know if old battery  is  4A or 7A. Open control panel and read the characteristics of the old battery.
The rating of the battery can be determined from the manufacturer's number, :
PowerSonic PS1240 is a 12V 4AH
DSC BD-412 is also a 12V 4AH
DSC BD-712 is a 12V 7AH

These batteries are used in most alarm systems by ADEMCO, Alarm Lock , CADDX , DSC, Alcad, Detection Systems , Light Alarm, NAPCO, Paradox and many others .

Model# NOMINAL
VOLTAGE
(V)
RATED CAPACITY (AH) MAXIMUM CHARGING CURRENT (A) LENGTH DIMENSIONS (inches/cm) WIDTH TOTAL
HEIGHT
WEIGHT
(lb/kg)
BD 1.2-12 12 1.2 0.36 3.82/9.7 1.69/4.3 2.32/5.9 1.32/0.60
BD 2-12 12 2.0 0.60 7.01/17.8 1.38/3.5 2.64/6.7 2.12/0.96
BD 4-12 12 4.0 1.20 3.54/9.0 2.76/7.0 4.21/10.7 3.81/1.73
BD 7-12 12 7.0 2.10 5.95/15.1 2.56/6.5 3.98/10.1 5.86/2.66
BD 12-12 12 12.0 3.60 5.95/15.1 3.86/9.8 3.98/10.1 9.04/4.10

 

BD 4-12 ( 4 Amps / 12 volts)

 

BD 7-12 ( 7 Amps / 12 volts)

 

4 A 12v alarm battery

7A 12V battery for alarm

 

BD 1.2-12 ( 1.2 Amps / 12 volts)

1.2A 12v battery


 

  • Maintenance Free… no need to check specific gravity or add water
  • Sealed Construction… ensures that no electrolyte leakage can occur from terminals or cases
  • Long Cycle Life… over 1,000 discharge/recharge cycles
  • Long Shelf Life… up to one year at an ambient temperature of 68°F (20°C)
  • Heavy-Duty Grids… constructed of lead-calcium alloy to enhance performance and service life in both cyclic and floating applications - even in deep discharge conditions
  • Operating Temperature Range… broad operating temperature range of 5° to 122°F (-15° to 50°C) permits flexible system designs and battery locations
  • Position Flexibility & Leakage Free… sealed construction and use of absorptive mat separators permits battery operation in any position without loss of electrolyte or service life
  • Long Float Life… 3 to 5 year float life under trickle charge
  • High Recovery Capability… even after deep discharge
  • Low Gas Generation… battery design effectively controls generation of gas and allows recombination within the battery of over 99% of gas generated during normal use
  • Low Pressure Venting System… ensures that there is no excessive build-up of gas in the battery. Operating at 7-10psi (48-69kPa), the system automatically releases excess gas if pressure rises above normal. Resealing is automatic once pressure has returned to normal.

Discharge curent vs time curves

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Information in this document is subject to change without notice.
Other products and companies referred to herein are trademarks or registered trademarks of their respective companies or mark holders.
UPDATE 11-May-2010
MMC&S Inc.

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