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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.

  • JohnLite 9240DS 6V 4.5Ah Emergency Light Replacement Battery
    $8.19 - $9.99
    $8.19 - $9.99
    $8.19 - $9.99
    $8.19

    AJC Battery Compatible with JohnLite 9240DS 6V 4.5Ah 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 ...

    View full details
    $8.19 - $9.99
    $8.19 - $9.99
    $8.19 - $9.99
    $8.19
  • JohnLite 9166DS 6V 4.5Ah Emergency Light Replacement Battery
    $8.19 - $9.99
    $8.19 - $9.99
    $8.19 - $9.99
    $8.19

    AJC Battery Compatible with JohnLite 9166DS 6V 4.5Ah 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 ...

    View full details
    $8.19 - $9.99
    $8.19 - $9.99
    $8.19 - $9.99
    $8.19
  • JohnLite 8166DS 6V 4.5Ah Emergency Light Replacement Battery
    $8.19 - $9.99
    $8.19 - $9.99
    $8.19 - $9.99
    $8.19

    AJC Battery Compatible with JohnLite 8166DS 6V 4.5Ah 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 ...

    View full details
    $8.19 - $9.99
    $8.19 - $9.99
    $8.19 - $9.99
    $8.19
  • JohnLite kw-0006 6V 5Ah Emergency Light Replacement Battery
    $9.99 - $9.99
    $9.99
    $9.99 - $9.99
    $9.99

    AJC Battery Compatible with JohnLite kw-0006 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 ...

    View full details
    $9.99 - $9.99
    $9.99
    $9.99 - $9.99
    $9.99
  • JohnLite SL0096 6V 5Ah Emergency Light Replacement Battery
    $9.99 - $9.99
    $9.99
    $9.99 - $9.99
    $9.99

    AJC Battery Compatible with JohnLite SL0096 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 ...

    View full details
    $9.99 - $9.99
    $9.99
    $9.99 - $9.99
    $9.99
  • JohnLite JML-2700 6V 5Ah Emergency Light Replacement Battery
    $9.99 - $9.99
    $9.99
    $9.99 - $9.99
    $9.99

    AJC Battery Compatible with JohnLite JML-2700 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 ...

    View full details
    $9.99 - $9.99
    $9.99
    $9.99 - $9.99
    $9.99
  • JohnLite 9900DS 6V 5Ah Emergency Light Replacement Battery
    $9.99 - $9.99
    $9.99
    $9.99 - $9.99
    $9.99

    AJC Battery Compatible with JohnLite 9900DS 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 ...

    View full details
    $9.99 - $9.99
    $9.99
    $9.99 - $9.99
    $9.99
  • JohnLite 9240NS 6V 5Ah Emergency Light Replacement Battery
    $9.99 - $9.99
    $9.99
    $9.99 - $9.99
    $9.99

    AJC Battery Compatible with JohnLite 9240NS 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 ...

    View full details
    $9.99 - $9.99
    $9.99
    $9.99 - $9.99
    $9.99
  • JohnLite 9200NS 6V 5Ah Emergency Light Replacement Battery
    $9.99 - $9.99
    $9.99
    $9.99 - $9.99
    $9.99

    AJC Battery Compatible with JohnLite 9200NS 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 ...

    View full details
    $9.99 - $9.99
    $9.99
    $9.99 - $9.99
    $9.99
  • JohnLite 8921NS 6V 5Ah Emergency Light Replacement Battery
    $9.99 - $9.99
    $9.99
    $9.99 - $9.99
    $9.99

    AJC Battery Compatible with JohnLite 8921NS 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 ...

    View full details
    $9.99 - $9.99
    $9.99
    $9.99 - $9.99
    $9.99
  • JohnLite 9200DS 6V 5Ah Emergency Light Replacement Battery
    $9.99 - $9.99
    $9.99
    $9.99 - $9.99
    $9.99

    AJC Battery Compatible with JohnLite 9200DS 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 ...

    View full details
    $9.99 - $9.99
    $9.99
    $9.99 - $9.99
    $9.99
  • JohnLite 8166NS 6V 5Ah Emergency Light Replacement Battery
    $9.99 - $9.99
    $9.99
    $9.99 - $9.99
    $9.99

    AJC Battery Compatible with JohnLite 8166NS 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 ...

    View full details
    $9.99 - $9.99
    $9.99
    $9.99 - $9.99
    $9.99
  • JohnLite 750 12V 7Ah Emergency Light Replacement Battery
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99

    AJC Battery Compatible with JohnLite 750 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
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99
  • JohnLite 500 6V 4.5Ah Emergency Light Replacement Battery
    $8.19 - $9.99
    $8.19 - $9.99
    $8.19 - $9.99
    $8.19

    AJC Battery Compatible with JohnLite 500 6V 4.5Ah 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 ...

    View full details
    $8.19 - $9.99
    $8.19 - $9.99
    $8.19 - $9.99
    $8.19
  • JohnLite 350 6V 4.5Ah Emergency Light Replacement Battery
    $8.19 - $9.99
    $8.19 - $9.99
    $8.19 - $9.99
    $8.19

    AJC Battery Compatible with JohnLite 350 6V 4.5Ah 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 ...

    View full details
    $8.19 - $9.99
    $8.19 - $9.99
    $8.19 - $9.99
    $8.19
  • JohnLite 2999 12V 7Ah Emergency Light Replacement Battery
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99

    AJC Battery Compatible with JohnLite 2999 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
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99
  • JohnLite 2997RL 12V 7Ah Emergency Light Replacement Battery
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99

    AJC Battery Compatible with JohnLite 2997RL 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
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99
  • JohnLite 350 6V 5Ah Emergency Light Replacement Battery
    $9.99 - $9.99
    $9.99
    $9.99 - $9.99
    $9.99

    AJC Battery Compatible with JohnLite 350 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 ...

    View full details
    $9.99 - $9.99
    $9.99
    $9.99 - $9.99
    $9.99
  • JohnLite 2997 12V 7Ah Emergency Light Replacement Battery
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99

    AJC Battery Compatible with JohnLite 2997 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
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99
  • JohnLite 2960NS 12V 7Ah Emergency Light Replacement Battery
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99

    AJC Battery Compatible with JohnLite 2960NS 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
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99
  • JohnLite 2951 12V 7Ah Emergency Light Replacement Battery
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99

    AJC Battery Compatible with JohnLite 2951 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
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99
  • JohnLite 2953RL 12V 7Ah Emergency Light Replacement Battery
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99

    AJC Battery Compatible with JohnLite 2953RL 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
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99
  • JohnLite 2943 12V 7Ah Emergency Light Replacement Battery
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99

    AJC Battery Compatible with JohnLite 2943 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
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99
  • JohnLite 2933 12V 7Ah Emergency Light Replacement Battery
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99

    AJC Battery Compatible with JohnLite 2933 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
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99