Power-Sonic PS-1250 12V 5Ah Alarm Backup Battery
The Power-Sonic PS-1250 12V 5Ah Alarm Backup Battery provides dependable standby power for compatible security alarm systems during a mains power failure. It is suitable for selected Hills Reliance alarm systems and other alarm panels requiring a compatible 12V sealed lead-acid battery.
Featuring Absorbent Glass Mat technology, the PS-1250 offers reliable performance in a compact, maintenance-free and spill-resistant design.
Product Details
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Model: PS-1250
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Voltage: 12V DC
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Nominal capacity: 5Ah
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Battery type: Rechargeable sealed lead-acid battery
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Technology: Absorbent Glass Mat
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Application: Alarm-system standby and backup power
Key Features
- Provides backup power during a mains power failure
- Valve-regulated, maintenance-free construction
- Spill-resistant sealed design
- Rugged, impact-resistant ABS case
- Compact design with dependable energy storage
- Suitable for compatible residential and commercial alarm panels
Alarm System Compatibility
This battery is suitable for selected Hills Reliance security alarm systems and other alarm panels that use a compatible 12V 5Ah backup battery.
Before ordering, check the voltage, capacity, physical dimensions, terminal size and polarity of your existing battery. Alarm-system compatibility should not be determined by voltage alone.
Shop CTC Communications for compatible Hills Reliance security alarm systems and accessories.
How to Replace an Alarm System Battery
Important: Alarm control panels may contain mains-voltage wiring. Do not touch the transformer, power terminals or mains wiring inside the enclosure. Professional replacement is recommended if you are not experienced with alarm systems.
Step 1 – Notify the monitoring centre
If your alarm system is monitored, contact the monitoring control room before beginning. This helps prevent an unnecessary alarm response or patrol attendance.
Step 2 – Disarm the alarm system
Disarm the system and keep your user code available. Opening the control-panel enclosure may activate a tamper alarm.
Step 3 – Locate the control panel
The alarm control panel is commonly installed inside a cupboard, wardrobe, garage, storeroom or utility area.
Step 4 – Open the enclosure carefully
Use the control-panel key or remove the cover screws. Avoid touching any mains-voltage components or exposed electrical wiring inside the enclosure.
Step 5 – Remove the old battery
Disconnect the black negative lead first, followed by the red positive lead. Avoid allowing tools or connectors to bridge the two battery terminals, as this may cause a short circuit.
Carefully remove the old battery and take it to an approved battery-recycling facility. Sealed lead-acid batteries should not be placed in household rubbish.
Step 6 – Install the replacement battery
Place the new battery securely in the same position. Connect the red lead to the positive terminal first, followed by the black lead to the negative terminal.
Check that both connectors are firmly attached and that the battery polarity is correct. Replace and secure the control-panel cover, restore power if it was isolated and contact the monitoring centre to confirm that maintenance is complete.
Please note: A low-battery warning may remain displayed for several hours while the new battery charges. Contact a qualified alarm technician if the warning does not clear or the alarm system continues to report a battery fault.
