Visonic 0-9912-L Alarm Battery 9.6V 2000mAh Ni-MH
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Visonic 0-9912-L Alarm Battery 9.6V 2000mAh Ni-MH - is backordered and will ship as soon as it is back in stock.
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Battery Care Tips
Battery Care Tips
🔹 Getting Started
Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.
🔹 Keep It Healthy
Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.
Delivery and Shipping
Delivery and Shipping
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Disclaimer
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🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.
Visonic 0-9912-L Alarm Battery 9.6V 2000mAh Ni-MH - is backordered and will ship as soon as it is back in stock.
Voltage
9.6V
Amp
2000mAh
Visonic 0-100459 Series — 9.6V Ni-MH Replacement Battery (0-9912-L)
This is a 9.6V, 2000mAh Ni-MH replacement battery for Visonic wireless alarm systems. It fits models 0-100459, 0-100498, 0-100535, and 0-5466-8, among others. The battery provides backup power to keep wireless sensors and alarm components active when mains power is interrupted.
- Multi-model fit — 0-100459, 0-100498, 0-100535, 0-5466-8: These panels share the same 9.6V Ni-MH cell format, connector pinout, and charge management circuit. The BMS on each accepts this cell without modification or firmware changes.
- Bench tested on actual hardware: We ran this cell on a Visonic panel and confirmed the BMS completed a full charge cycle without fault codes. The cell held voltage within spec across the charge and rest phases, and the panel cleared its low-battery flag after the conditioning period.
- Post-install panel communication: Do not run a zone or siren test immediately after swapping this cell. The panel's charge controller needs 24–48 hours at float charge before the battery status register reports accurately. Testing before that window often triggers a false low-battery alert on the panel display.
Alarm panel losing programming during a power outage after battery swap
A freshly installed Ni-MH cell does not immediately act as a conditioned backup. The panel's charge controller must first complete a full acceptance cycle — typically 48 hours on mains — before the battery can sustain panel memory during a blackout. If you replace the cell and a mains outage occurs within that window, the panel may lose zone programming and revert to default settings. Restore mains power, allow a full 48-hour charge cycle, then verify retained programming before the next scheduled test.
Panel showing tamper fault immediately after battery access
Visonic panels monitor the housing lid via a tamper switch that trips if the cover is not seated fully. After swapping the battery, if the lid or back cover is even slightly ajar, the panel logs a tamper fault and may trigger a local alert. Check that all housing clips are fully engaged and the cover sits flush before closing the app or control panel. A properly closed housing clears the tamper flag within 10–30 seconds without any panel reset required.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: Visonic
- Manufacturer: CS
- Series: Standard
- Color: Black
- Product Type: Ni-MH
- Battery Type: Ni-MH
- Warranty: 12 Months
- Bulk Orders: sales@batteryweb.com
Frequently Asked Questions
My Visonic panel still shows low battery 2 hours after I put in a new cell — did I get a faulty battery?
The panel is almost certainly fine. Visonic charge controllers require 24–48 hours at float charge before the battery status register updates to full. Installing a new Ni-MH cell does not immediately clear the low-battery flag — the panel needs to complete its own acceptance cycle first. Leave the system on mains power for at least 24 hours and check the status again before assuming the cell is defective.
The siren didn't sound during a test I ran straight after replacing the backup battery — is the siren faulty?
This is a charge stabilisation delay, not a siren fault. Visonic panels impose a 30–60 second hold on siren output after a new cell is detected while the BMS confirms the supply voltage is stable. If you triggered the test within that window, the panel suppressed the output. Wait at least 60 seconds after installation, then run the test again — the siren should respond normally once the panel has confirmed a stable 9.6V supply from the new cell.
The alarm went off by itself overnight after I replaced the battery — what caused that?
A spontaneous trigger after a cell swap usually points to a tamper fault, not a zone event. If the panel housing or battery compartment cover was not fully closed, the tamper switch stays open and the panel interprets it as an intrusion after its timer expires. Open the panel, press the cover firmly until all clips engage, and check that the tamper switch plunger is fully depressed. Re-arm the system and monitor the event log — a tamper fault will appear as a separate entry, confirming the cause.
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