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commercial emergency lights with battery backup

Battery Backup Emergency Lights

battery backup emergency lights provide essential illumination during power outages, ensuring safe egress and code compliance in commercial, industrial, and public facilities. If you're searching for commercial emergency lights with battery backup, this collection highlights UL 924 LED units with a minimum 90-minute runtime for code-driven projects. Required by NFPA 101, OSHA, and local codes, these self-contained LED fixtures activate automatically to light hallways, stairwells, and exit routes. Start at our parent emergency lights collection, then explore wet-location emergency lights, recessed emergency lights, and low-profile architectural emergency lights.

UL 924 90-Min Backup LED NFPA 101 OSHA 120/277 VAC
Buyers Guide Tips

What to Look for in Battery Backup Emergency Lights

  • UL 924 & runtime: Verified 90-minute battery backup with compliant photometrics.
  • Battery chemistry: Ni-Cd, NiMH, or Li-ion/LiFePO4—compare recharge time, temperature range, and cycle life.
  • Diagnostics: self-testing emergency lights automate monthly/annual checks.
  • Mounting & power: Universal plates; dual-voltage 120/277 VAC inputs; adjustable heads for corridor spacing.
  • Environment: Damp/wet ratings as needed; for harsh sites consider NEMA-rated emergency lights.
  • Remote capacity: remote-capable emergency lights with battery backup to power extra heads.
💡 What is battery backup emergency lighting? A system that seamlessly switches from AC to internal battery power during an outage, providing regulated illumination for at least 90 minutes as required by national life safety codes.

All models feature internal, maintenance-free batteries—Ni-Cd, NiMH, or lithium-ion—that switch on automatically during a power failure. Each unit delivers a minimum of 90 minutes of emergency lighting to keep paths of egress visible. LED designs provide bright, efficient output while reducing maintenance and operating costs.

Installation is straightforward: universal mounting plates and dual-voltage inputs (120/277 VAC) come standard on most units. Aim light precisely using adjustable heads to cover warehouse aisles, corridors, or open floor plans. For automated maintenance, choose self-testing emergency lights; in corrosive, wash-down, or dusty environments, upgrade to NEMA-rated emergency lights.

Expanding coverage? Use remote-capable emergency lights with battery backup to power additional remote heads from a single fixture—streamlining layout and simplifying service.

Specifications vary by model—confirm diagnostics, runtime, temperature ratings, and accessories on the product page.

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Battery Backup Emergency Lights Spec Guide

Spec Snapshot

  • Compliance: UL 924 listed with a minimum 90-minute runtime; supports NFPA 101 egress and typical OSHA requirements.
  • Battery & Electronics: Ni-Cd/NiMH or lithium (Li-ion/LiFePO4) with solid-state charger, low-voltage disconnect, brownout detection, AC lockout, test button & status LED.
  • Optics & Output: High-efficacy LEDs with adjustable heads for corridor and stair coverage; verify photometric spacing (lumens, beam pattern) per layout.
  • Mounting & Power: Universal wall/ceiling/end mount with plate/canopy; dual-voltage 120/277 VAC; conduit knockouts for quick retrofit.
  • Environment & Options: Standard damp-location; specify wet-location or cold-weather packages as needed. Vandal-resistant housings and tamper-proof hardware available.
  • Self-Testing & Remote: Self-diagnostic versions automate monthly/annual tests. Remote-capable variants power extra remote heads—confirm available remote wattage/runtime in specs.

Additional Resources

FAQs About Battery Backup Emergency Lights

How long do battery backup emergency lights stay illuminated?

Compliant units provide at least 90 minutes of illumination during a power outage per UL 924 and NFPA 101.

Are battery backup emergency lights hardwired?

Yes. They connect to building AC power (typically 120/277 VAC) on an unswitched circuit and automatically transfer to battery during outages.

What battery types are used?

Common chemistries include Ni-Cd, NiMH, and lithium-ion/LiFePO4. Lithium options are lighter, recharge faster, and offer longer cycle life; always verify temperature ratings by model.

Do they require regular testing?

Yes—perform a monthly 30-second functional test and an annual 90-minute full-discharge test. Self-testing models can automate these checks and indicate faults.

Can they be used outdoors or in harsh environments?

Choose the appropriate rating: damp-location for humidity/condensation, wet-location for direct spray or weather, and NEMA-rated housings for washdown, corrosive, or dusty areas.

What does “remote-capable” mean?

The fixture’s battery can power additional remote heads. Check the unit’s remote capacity (watts at 90 min) and match compatible voltage and lamp types.

How do I size spacing and coverage?

Use manufacturer spacing charts and photometric data to meet required egress illumination and uniformity. Head wattage, optics, and mounting height affect spacing.

What mounting options are available?

Most units include universal mounting hardware for wall or ceiling installation. Some models offer conduit entry, recessed kits, or tamper-resistant features—check the submittal sheet.

How long do the batteries last before replacement?

Typical service life is 3–5 years, depending on chemistry and environment. Routine testing helps determine when replacement is needed.

How do I verify compliance?

Confirm UL 924 listing, 90-minute runtime, and the correct environmental ratings (damp, wet, NEMA as required). Review the manufacturer’s submittal and follow your AHJ’s guidance.