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Emergency Battery Back-Up Drivers

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  • OPT-EM-20175AC Emergency Backup, External
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    OPT-EM-20175AC Emergency Backup, External

    WM-OPT-EM-20175AC
    $152.70
    OPT Series 175W AC Emergency Backup Power Supply The OPT Series Emergency Backup, sku WM-OPT-EM-20175AC, is your reliable solution for maintaining illumination during unexpected power outages. With a substantial 175W AC capacity and a user-friendly...
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    $152.70
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  • Westgate Emergency Backup AC Option, 120V-277V, 8W Output, OPT-EM-8120AC
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    Westgate Emergency Backup AC Option, 120V-277V, 8W Output, OPT-EM-8120AC

    WM-OPT-EM-8120AC
    $145.55
    Emergency Backup AC Option - WM-OPT-EM-8120AC Discover the reliable Emergency Backup AC option designed to meet your critical lighting needs. The WM-OPT-EM-8120AC is engineered to provide consistent emergency lighting with a comprehensive voltage...
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    $145.55
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  • OPT-EM-AC1EXT Emergency Battery Backup, External
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    OPT-EM-AC1EXT Emergency Battery Backup, External

    WM-OPT-EM-AC1EXT
    $248.30
    Reliable Emergency Battery Backup for Seamless Power Ensure uninterrupted power supply with our versatile, externally configured emergency battery backup system. Designed to provide consistent performance during power outages, this unit is compatible...
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    $248.30
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  • Emergency Battery Backup Mount
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    Emergency Battery Backup Mount

    WM-OPT-DLS6-SP
    $94.30
    Reliable Emergency Battery Backup Mount - SKU: WM-OPT-DLS6-SP Ensure uninterrupted lighting during power outages with our efficient and reliable emergency battery backup mount, designed for a variety of lighting fixtures. Its compact design and ease of...
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    $94.30
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  • OPT-EM-BKH Emergency Backup Power, 15W, 90 Minutes
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    OPT-EM-BKH Emergency Backup Power, 15W, 90 Minutes

    WM-OPT-EM-BKH
    $179.85
    15-Watt Emergency Backup Power for LED Fixtures Introducing the ultimate solution for reliable emergency lighting – our 15W Emergency Backup Power unit. Designed to provide up to 90 minutes of emergency illumination, this compact device ensures safety...
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    $179.85
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  • Emergency Backup Option, AC External
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    Emergency Backup Option, AC External

    WM-OPT-EM-AC2EXT
    $295.55
    Emergency Backup Option, AC External – Dependable Lighting Solution Introducing the Emergency Backup Option, AC External – a compact and reliable solution designed to provide uninterrupted lighting during power outages. Whether for commercial,...
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    $295.55
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  • Westgate Manufacturing Emergency Battery Backup for Bollard Lights
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    Westgate Manufacturing Emergency Battery Backup for Bollard Lights

    WM-OPT-EM-BOL
    $209.85
    Emergency Battery Backup for Bollard Lights Keep your outdoor spaces illuminated even during power outages with our high-performance emergency battery backup for bollard lights. Designed for efficiency and reliability, this compact unit ensures safety...
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    $209.85
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  • SCX Series, Indirect (Up) Lighting Option, 2-FT, 8W Adder
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    SCX Series, Indirect (Up) Lighting Option, 2-FT, 8W Adder

    WM-OPT-SCX-ULM-2FT-8W-MCT4
    $128.45
    Elevate Your Lighting Solutions with the SCX Series 2-FT Indirect (Up) Lighting Option The SCX Series 2-FT Indirect (Up) Lighting Option with an 8W adder is engineered to revolutionize ambient lighting in a variety of settings. Whether you are aiming...
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    $128.45
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  • 277V Transformer, Mount in Enclosure
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    277V Transformer, Mount in Enclosure

    WM-OPT-277V-FDL-14
    $78.35
    Reliable 277V Transformer for Versatile Lighting Solutions Introducing the 277V Transformer from Westgate Manufacturing, model OPT-277V-FDL-14. This transformer is engineered to deliver exceptional power conversion for a wide array of lighting...
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    $78.35
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  • 277V Transformer Mount, External Box
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    277V Transformer Mount, External Box

    WM-OPT-277V-FML-R10
    $69.85
    277V Transformer Mount in External Box The 277V Transformer Mount in External Box is your premier solution for robust and reliable electrical performance in industrial settings. Engineered for durability and efficiency, this transformer mount is a...
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    $69.85
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  • OPT-277V-LDS Emergency Backup with Extended, External Box
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    OPT-277V-LDS Emergency Backup with Extended, External Box

    WM-OPT-277V-LDS
    $92.70
    High-Performance Emergency Lighting Backup - 277V Ensure continuous safety and visibility during power outages with our Emergency Backup featuring extended runtime. This unit is specifically designed for external box installation, making it an optimal...
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    $92.70
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  • OPT-EM-LWAX-LG Emergency, PW Internal, Factory Installed Options
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    OPT-EM-LWAX-LG Emergency, PW Internal, Factory Installed Options

    WM-OPT-EM-LWAX-LG
    $238.45
    OPT-EM-LWAX-LG Large Emergency Lighting Fixture The OPT-EM-LWAX-LG Emergency is an advanced, large-sized emergency lighting fixture meticulously engineered to deliver optimal performance during critical situations. This essential lighting solution is...
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    $238.45
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  • OPT Series, Emergency Backup, LW360, Large, PW Back Box
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    OPT Series, Emergency Backup, LW360, Large, PW Back Box

    WM-OPT-EM-LW360-LG
    $208.45
    Large OPT Series Emergency Backup with LW360 The Large OPT Series emergency backup with LW360 from relightdepot.com is the ultimate reliable solution for emergency lighting across various environments. It offers unmatched reliability, making it a top...
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    $208.45
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  • OPT-EM-LWAX-MD Emergency Power Internal, Factory Installed Options
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    OPT-EM-LWAX-MD Emergency Power Internal, Factory Installed Options

    WM-OPT-EM-LWAX-MD
    $209.85
    Internal Emergency Backup - Medium Capacity Our Internal Emergency Backup provides medium capacity, ensuring uninterrupted and dependable lighting performance during power outages, making it ideal for a range of lighting applications. Key Features and...
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    $209.85
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  • OPT-EM-LWPX-50 Emergency Backup, PW Internal, Factory Installed
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    OPT-EM-LWPX-50 Emergency Backup, PW Internal, Factory Installed

    WM-OPT-EM-LWPX-50
    $209.85
    Reliable Emergency Lighting Solution Ensure uninterrupted illumination during power outages with our compact emergency backup unit, equipped with an internal power supply. Designed to integrate seamlessly with various lighting fixtures, this unit is...
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    $209.85
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  • External Back Box, Factory Installed Options
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    External Back Box, Factory Installed Options

    WM-OPT-EM-LWAX-SM
    $209.85
    External Back Box with Factory Installed Options Explore the versatility and durability of our External Back Box, featuring factory installed options designed for seamless integration and enhanced functionality across a variety of settings. Key...
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    $209.85
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  • OPT Series, Emergency Backup, 80W, Photocell, White, Internal, Factory Installed
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    OPT Series, Emergency Backup, 80W, Photocell, White, Internal, Factory Installed

    WM-OPT-EM-LWPX-80
    $238.45
    80W OPT Series Light with Emergency Backup and Internal Photocell Experience the ultimate in reliable lighting solutions with our 80W OPT Series light. This advanced fixture comes with a factory-installed emergency backup and internal photocell,...
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    $238.45
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  • OPT Series, Emergency LED Driver, Outdoor, 1W, Extended Runtime
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    OPT Series Emergency LED Driver, Outdoor, 1W, Extended Runtime

    WM-OPT-EM-OD1EXT
    $272.70
    Emergency Backup PW Emergency: Essential Power Solution for Outages The Emergency Backup PW Emergency is a compact and efficient solution designed to provide reliable power during outages. This product is essential for maintaining safety and security...
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    $272.70
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  • OPT Emergency Backup Power for Outdoor Lighting, 1 Hour, 100-277V Input
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    OPT Emergency Backup Power for Outdoor Lighting, 1 Hour, 100-277V Input

    WM-OPT-EM-OD1HINT
    $238.45
    Emergency Backup Power for Outdoor Lighting Ensure your outdoor lighting remains operational with our state-of-the-art Emergency Backup Power unit. Designed to provide 1 hour of backup illumination, this unit is perfect for maintaining continuous...
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    $238.45
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  • OPT External Emergency without Outdoor OPT-EM-OD2EXT
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    OPT External Emergency without Outdoor OPT-EM-OD2EXT

    WM-OPT-EM-OD2EXT
    $312.70
    Westgate Manufacturing OPT External Emergency without Outdoor - OPT-EM-OD2EXT The Westgate Manufacturing OPT External Emergency without Outdoor OPT-EM-OD2EXT is engineered for superior performance and dependability in emergency situations. As a vital...
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    $312.70
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Emergency battery back-up drivers convert standard LED fixtures into code-compliant emergency egress lights without requiring a separate dedicated emergency luminaire. When utility power is interrupted, the driver switches to battery mode and powers the LED array for the 90-minute minimum illumination period required by NFPA 101 and the International Building Code. This approach simplifies the lighting layout because a single fixture handles both normal and emergency operation, reducing fixture count and wiring runs compared to a traditional emergency fixture strategy.

Emergency LED drivers are available in fixed-wattage and field-adjustable wattage versions. Fixed-wattage units power the full LED load in emergency mode, while adjustable units allow the installer to set a lower emergency wattage that extends battery runtime. Most units include a self-test function and a visible indicator LED for monthly and annual testing compliance required by the NEC. Battery chemistry is typically sealed lead acid or nickel-metal hydride, with service life ratings that should be factored into the maintenance plan.

Browse all driver types in the LED Drivers category. For primary (non-emergency) LED drivers, see Constant Current LED Drivers and Constant Voltage LED Drivers. For fluorescent emergency ballast options in retrofit or legacy applications, our Fluorescent Emergency Ballasts section has stocked inventory. Contact RelightDepot for emergency driver spec support and code compliance guidance.