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Replacement 12V battery for alarm system


NickM
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Hi All,

The battery for my home alarm system is taking a bit of a hammering during this latest round of loadshedding, to the point now where it starts making warning noises toward the end to a 2.5 hour session. Not ideal at 4am. I tested its voltage and it showed 9.2v halfway through a recent outage, which I initially thought was great until I realised it was a 12v battery and not 9v. So I'm looking for a recommendation on a good replacement battery - or are they all much the same in terms of quality?

I've attached a photo of my current battery and system. All it really does is supply the pannel, 4 PIRs, 2 LEDs and I'd guess some sort of transmitter that sends signal to our security provider.

Any recommendations would be appreciated.

Thanks

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Edited by NickM
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  • NickM changed the title to Replacement 12V battery for alarm system
  • 4 weeks later...

I have the same problem with the same IDS system. Have to keep on replacing 1 x 12V 7Ah as result of the high number of load shedding cycles killing the batteries. 

Two possible solutions.

2 x Forbatt 8Ah 12Volt Lead Acid Gel connected in parallel will double your Ah value. So 12V 16Ah instead of 1 x 12V 8Ah. They just wont fit inside the IDS box.

Or - and I did speak to BlueNova about this.

They have a replacement Lithium battery (Blue nova 12v 8ah lithium) and they recon you dont need to modify the charger of the IDS alarm to charge their BlueNova battery, so its a drop in replacement. But its pretty pricey - about 3 times the price of one lead acid or gel 12V 7ah.

The Lithium battery will be able to discharge further than any lead acid battery can. Without issues.

Edited by snoops
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On 2022/04/20 at 9:15 AM, NickM said:

Hi All,

The battery for my home alarm system is taking a bit of a hammering during this latest round of loadshedding, to the point now where it starts making warning noises toward the end to a 2.5 hour session. Not ideal at 4am. I tested its voltage and it showed 9.2v halfway through a recent outage, which I initially thought was great until I realised it was a 12v battery and not 9v. So I'm looking for a recommendation on a good replacement battery - or are they all much the same in terms of quality?

Is the alarm not backed up by the solar system? That would take some strain off of the SLA battery.

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