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  • Kidde | 40 Ah Sealed Lead Acid Rechargeable Battery, 12 VDC, UL Recognized for Fire Alarm Control Panels | 12V40A
40 Ah Sealed Lead Acid Rechargeable Battery, 12 VDC, UL Recognized for Fire Alarm Control Panels
Kidde Commercial

40 Ah Sealed Lead Acid Rechargeable Battery, 12 VDC, UL Recognized for Fire Alarm Control Panels

SKU KD-12V40A

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The Kidde 12V40A provides 40 amp-hours of reliable standby power for fire alarm control panels and remote booster power supplies. Sealed lead acid construction means no maintenance, no venting requirements, and no acid spills on the job site - drop it in, connect it, and move on.

Built for fire alarm standby power

UL recognized and built to Kidde's specifications for use with their FACP and booster power supply product lines. The sealed, rechargeable design handles repeated charge-discharge cycles without degradation in typical standby service. F11 flag terminals provide secure, reliable connections to Kidde panels and power supplies.

Key advantages

  • 40 Ah capacity delivers extended standby runtime for larger fire alarm systems and higher NAC circuit loads
  • Sealed, maintenance-free construction - no watering, no venting, no acid spill risk during transport or install
  • UL recognized component for code-compliant fire alarm installations
  • F11 flag terminals for secure, tool-free connections
  • Rechargeable - charges from the FACP or booster supply's built-in charger circuit

Sizing note

NFPA 72 requires 24 hours of standby power followed by 5 minutes of alarm. The 40 Ah rating suits larger panels and systems with multiple NAC circuits. Verify your panel's standby current draw against this capacity before specifying. Kidde offers the full range from 4 Ah to 55 Ah to match every system size.

Specifications

SKUKD-12V40A
BrandKidde Commercial
Form factorSealed Lead Acid (SLA), Rechargeable
Voltage12 VDC
Capacity40 Ah
Terminal typeF11 (Flag)
Dimensions7.76" x 6.50" x 6.69" (197mm x 165mm x 170mm)
Shipping weight28.66 lb (13 kg)
ComplianceUL Recognized Component
CompatibilityKidde Fire Alarm Control Panels, Remote Booster Power Supplies

Documents and resources

FAQs

What fire alarm panels does this battery work with?
Designed for Kidde fire alarm control panels and remote booster power supplies. Check your panel's spec sheet for required battery capacity - larger panels with more NAC circuits need higher Ah ratings.
Does this battery require any maintenance?
No. Sealed lead acid construction is maintenance-free. No watering, no acid level checks, no venting requirements. Replace per manufacturer schedule or when capacity testing shows degradation.
How long does the 40 Ah battery provide standby power?
Runtime depends on your system's standby current draw. NFPA 72 requires 24 hours of standby plus 5 minutes of alarm. Divide 40 Ah by your FACP's standby current to estimate hours of backup.
Can I use this as a direct replacement for an existing battery?
Yes, if your panel specifies a 12 VDC SLA battery and the enclosure fits the dimensions (7.76" x 6.50" x 6.69"). Verify the F11 flag terminal type matches your existing wiring harness.
What is the difference between Kidde battery sizes?
Kidde offers SLA batteries from 4 Ah to 55 Ah, all 12 VDC. Size depends on your panel's standby current draw and NFPA 72's 24-hour standby plus 5-minute alarm requirement. More NAC circuits need higher Ah.
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