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  • OPT-EM-CRLC, Emergency Backup, External
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    OPT-EM-CRLC, Emergency Backup, External

    WM-OPT-EM-CRLC
    $205.55
    Emergency Backup Power Supply for Critical Lighting Applications Ensure uninterrupted illumination during power outages with our cutting-edge Emergency Backup Power Supply, designed for critical lighting applications. Engineered with an external...
    Qty in Cart: 0
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    $205.55
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  • OPT Series Emergency Backup, PW External
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    OPT Series Emergency Backup, PW External

    WM-OPT-EM-CRLE
    $205.55
    OPT-EM-CRLE Emergency Backup Power Unit The OPT-EM-CRLE is your go-to solution for reliable emergency lighting power. This compact and efficient external unit is specifically designed to provide backup power to a variety of lighting fixtures, ensuring...
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    $205.55
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  • Internal Emergency Battery Backup, PW for CDX Series
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    Internal Emergency Battery Backup, PW for CDX Series

    WM-OPT-EM-CDX-55
    $209.85
    Emergency Battery Backup PW Internal for CDX Series - 55W Ensure your space remains illuminated during unexpected power outages with the Emergency Battery Backup PW Internal. Designed specifically for the CDX Series, this 55W power backup solution...
    Qty in Cart: 0
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    $209.85
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  • Emergency Battery Backup PW Internal for CDLX Series, Surface Mount
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    Emergency Battery Backup PW Internal for CDLX Series, Surface Mount

    WM-OPT-EM-CDLX-SM
    $192.70
    Reliable Emergency Battery Backup for CDLX Series - Surface Mount Ensure safety and compliance with our top-of-the-line emergency battery backup designed for CDLX Series fixtures. This surface mount solution guarantees continuous illumination in...
    Qty in Cart: 0
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    $192.70
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  • Emergency Battery Backup, PW Internal, CDLX Series
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    Emergency Battery Backup, PW Internal, CDLX Series

    WM-OPT-EM-CDLX-MD
    $192.70
    Emergency Battery Backup for CDLX Series Ensure uninterrupted power and peace of mind with our Emergency Battery Backup designed for the CDLX Series. Featuring a PW internal configuration, this backup system offers reliable and efficient power...
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    $192.70
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  • CDLX Series Emergency Battery Backup, PW Internal
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    CDLX Series Emergency Battery Backup, PW Internal

    WM-OPT-EM-CDLX-LG
    $192.70
    CDLX Series Emergency Battery Backup with PW Internal Configuration The CDLX Series Emergency Battery Backup with PW Internal configuration is an indispensable solution for ensuring continuous lighting during unexpected power outages. Specifically...
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    $192.70
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  • OPTEM CGL1EXT, Emergency Backup
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    OPTEM CGL1EXT, Emergency Backup

    WM-OPT-EM-CGL1EXT
    $272.70
    Emergency Backup Power Supply Ensure your spaces are always illuminated, even during unexpected power outages, with our high-performance Emergency Backup Power Supply. This high-quality backup solution guarantees that your lighting fixtures remain...
    Qty in Cart: 0
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    $272.70
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  • OPT, Emergency Battery Backup, 75W, 90 Minutes
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    OPT, Emergency Battery Backup, 75W, 90 Minutes

    WM-OPT-EM-CAX-75-90
    $213.70
    Emergency Battery Backup Unit for Reliable Safety Experience unparalleled safety and reliability with our Emergency Battery Backup Unit, offering a powerful 75W capacity and a remarkable 90 minutes of operation during power outages. Designed to...
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    $213.70
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  • Internal Emergency Battery Backup, for CDX Series
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    Internal Emergency Battery Backup, for CDX Series

    WM-OPT-EM-CDX-35
    $209.85
    Internal Emergency Battery Backup for CDX Series The Internal Emergency Battery Backup for CDX Series is an indispensable accessory designed to guarantee continuous lighting during power outages. This robust solution provides 35W of emergency power...
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    $209.85
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  • OPT Series, Emergency Backup
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    OPT Series, Emergency Backup

    WM-OPT-EM-CAX-40-60
    $209.85
    Emergency Battery Backup, Internal 40W/60W The Emergency Battery Backup, Internal model, SKU: WM-OPT-EM-CAX-40-60, is an essential device for maintaining reliable illumination during unexpected power outages. Designed with selectable power outputs of...
    Qty in Cart: 0
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    $209.85
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  • OPT-EM-CGL-75-100, Emergency Battery Backup, 75W-100W
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    OPT-EM-CGL-75-100, Emergency Battery Backup, 75W-100W

    WM-OPT-EM-CGL-75-100
    $257.00
    Emergency Battery Backup for Westgate Fixtures Enhance your safety protocols with the state-of-the-art Emergency Battery Backup designed explicitly for Westgate fixtures. This robust device delivers an adjustable power output ranging from 75W to 100W,...
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    $257.00
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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...
    Qty in Cart: 0
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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...
    Qty in Cart: 0
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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...
    Qty in Cart: 0
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    $78.35
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Ballasts and drivers are the unsung workhorses of any commercial lighting system. Whether you are maintaining an older fluorescent installation, retrofitting to LED, or specifying new construction, having the right driver or ballast on hand keeps projects on schedule and prevents costly callbacks.

RelightDepot stocks a broad selection of electronic fluorescent ballasts, HID ballasts, and constant-current LED drivers from leading manufacturers. Electronic fluorescent ballasts are available in T5, T8, T12, and compact fluorescent configurations, with dimming and non-dimming options to suit existing controls infrastructure. For LED retrofit and new-construction applications, our LED drivers cover a wide range of wattages and output currents, including 0-10V dimming, TRIAC/ELV dimming, and emergency battery backup-compatible models. Class P thermally protected ballasts are stocked for applications where UL or NEC compliance requires thermal protection on the ballast itself.

Electrical contractors and maintenance professionals will find the mix-and-match flexibility they need. Many ballasts and drivers ship same-day from stock, and volume pricing is available for larger job orders. Not sure which driver or ballast is compatible with your fixture? Our product specs include compatibility notes and wiring diagrams to take the guesswork out of field installation. When ordering for a large project, list the fixture manufacturer and model number and our team can confirm the correct replacement.

If you are upgrading fixtures as part of a broader energy project, pair your driver selection with the right lamp from our Lamps & Bulbs category, or browse Retrofit Kits for complete drop-in assemblies that include both the driver and the optics. For projects requiring independent dimming control, Controls & Devices carries compatible occupancy sensors, dimmers, and photocells. Facility teams managing large re-lamp programs can also find ballast recycling solutions in our Recycling Containers section.