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BatteryClerk Prime FAST 1-2 day shipping to most of the USA
BatteryClerk Prime FAST 1-2 day shipping to most of the USA

Emergency Light Batteries

Ensure your building is equipped to handle any power outage with reliable emergency light batteries from BatteryClerk. We offer a wide selection of high-quality replacement batteries designed to keep your emergency lights shining bright when it matters most. Our batteries meet rigorous safety standards and are compatible with all major emergency lighting brands. With competitive prices, expert advice, and fast shipping, BatteryClerk makes it easy to keep your building safe and compliant.

  • Silent Knight PS12120 12V 12Ah Emergency Light Replacement Battery
    $37.79 - $37.79
    $37.79
    $37.79 - $37.79
    $37.79

    AJC Battery Compatible with Silent Knight PS12120 12V 12Ah Emergency Light Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $37.79 - $37.79
    $37.79
    $37.79 - $37.79
    $37.79
  • Silent Knight 6712 12V 7Ah Emergency Light Replacement Battery
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59

    AJC Battery Compatible with Silent Knight 6712 12V 7Ah Emergency Light Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59
  • Silent Knight 5122 12V 5Ah Emergency Light Replacement Battery
    $16.49 - $16.49
    $16.49
    $16.49 - $16.49
    $16.49

    AJC Battery Compatible with Silent Knight 5122 12V 5Ah Emergency Light Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $16.49 - $16.49
    $16.49
    $16.49 - $16.49
    $16.49
  • Silent Knight 5121 12V 5Ah Emergency Light Replacement Battery
    $16.49 - $16.49
    $16.49
    $16.49 - $16.49
    $16.49

    AJC Battery Compatible with Silent Knight 5121 12V 5Ah Emergency Light Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $16.49 - $16.49
    $16.49
    $16.49 - $16.49
    $16.49
  • Silent Knight LCR12V4PF 12V 5Ah Emergency Light Replacement Battery
    $16.49 - $16.49
    $16.49
    $16.49 - $16.49
    $16.49

    AJC Battery Compatible with Silent Knight LCR12V4PF 12V 5Ah Emergency Light Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $16.49 - $16.49
    $16.49
    $16.49 - $16.49
    $16.49
  • Silent Knight LCR12V4PF 12V 4.5Ah Emergency Light Replacement Battery
    $15.99 - $15.99
    $15.99
    $15.99 - $15.99
    $15.99

    AJC Battery Compatible with Silent Knight LCR12V4PF 12V 4.5Ah Emergency Light Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $15.99 - $15.99
    $15.99
    $15.99 - $15.99
    $15.99
  • Silent Knight 5207 6V 5Ah Emergency Light Replacement Battery
    $9.39 - $9.39
    $9.39
    $9.39 - $9.39
    $9.39

    AJC Battery Compatible with Silent Knight 5207 6V 5Ah Emergency Light Battery

    In stock

    Information 6V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed ...

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    $9.39 - $9.39
    $9.39
    $9.39 - $9.39
    $9.39
  • Silent Knight 5204 12V 12Ah Emergency Light Replacement Battery
    $37.79 - $37.79
    $37.79
    $37.79 - $37.79
    $37.79

    AJC Battery Compatible with Silent Knight 5204 12V 12Ah Emergency Light Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $37.79 - $37.79
    $37.79
    $37.79 - $37.79
    $37.79