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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.

  • Prescolite ERB0610 6V 10Ah Emergency Light Replacement Battery
    $17.99 - $19.79
    $17.99 - $19.79
    $17.99 - $19.79
    $17.99

    AJC Battery Compatible with Prescolite ERB0610 6V 10Ah 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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    $17.99 - $19.79
    $17.99 - $19.79
    $17.99 - $19.79
    $17.99
  • Prescolite E81916500 6V 7Ah Emergency Light Replacement Battery
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79

    AJC Battery Compatible with Prescolite E81916500 6V 7Ah 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
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79
  • Power Source WP12-12 12V 12Ah Emergency Light Replacement Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with Power Source WP12-12 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
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • Power-Sonic S-665 6V 7Ah Emergency Light Replacement Battery
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79

    AJC Battery Compatible with Power-Sonic S-665 6V 7Ah 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
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79
  • Power-Sonic PS-665 6V 7Ah Emergency Light Replacement Battery
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79

    AJC Battery Compatible with Power-Sonic PS-665 6V 7Ah 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
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79
  • Power-Sonic PS-12180NB 12V 18Ah Emergency Light Replacement Battery
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

    AJC Battery Compatible with Power-Sonic PS-12180NB 12V 18Ah Emergency Light Battery

    In stock

    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • Portalac PX12072 12V 8Ah Emergency Light Replacement Battery
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99

    AJC Battery Compatible with Portalac PX12072 12V 8Ah 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
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99
  • Portalac PS12180 12V 18Ah Emergency Light Replacement Battery
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

    AJC Battery Compatible with Portalac PS12180 12V 18Ah Emergency Light Battery

    In stock

    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • Portalac PE12V24A(Option) 12V 26Ah Emergency Light Replacement Battery
    $76.99 - $76.99
    $76.99
    $76.99 - $76.99
    $76.99

    AJC Battery Compatible with Portalac PE12V24A Option 12V 26Ah 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
    $76.99 - $76.99
    $76.99
    $76.99 - $76.99
    $76.99
  • Portalac PE12V12 12V 10Ah Emergency Light Replacement Battery
    $35.39 - $46.59
    $35.39 - $46.59
    $35.39 - $46.59
    $35.39

    AJC Battery Compatible with Portalac PE12V12 12V 10Ah 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
    $35.39 - $46.59
    $35.39 - $46.59
    $35.39 - $46.59
    $35.39
  • Portalac GS TEV12120 12V 12Ah Emergency Light Replacement Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with Portalac GS TEV12120 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
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • Portalac GS PXL12072 12V 8Ah Emergency Light Replacement Battery
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99

    AJC Battery Compatible with Portalac GS PXL12072 12V 8Ah 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
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99
  • Portalac GS PX12170(Option) 12V 18Ah Emergency Light Replacement Battery
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

    AJC Battery Compatible with Portalac GS PX12170 Option 12V 18Ah Emergency Light Battery

    In stock

    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • Portalac GS PX12170 12V 18Ah Emergency Light Replacement Battery
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

    AJC Battery Compatible with Portalac GS PX12170 12V 18Ah Emergency Light Battery

    In stock

    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • Portalac GS PX12072 12V 8Ah Emergency Light Replacement Battery
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99

    AJC Battery Compatible with Portalac GS PX12072 12V 8Ah 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
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99
  • Portalac GS PS-12V12F2 12V 12Ah Emergency Light Replacement Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with Portalac GS PS-12V12F2 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
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • Portalac GS PE6V7 6V 7Ah Emergency Light Replacement Battery
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79

    AJC Battery Compatible with Portalac GS PE6V7 6V 7Ah 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
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79
  • Portalac GS PE6V12F1 6V 12Ah Emergency Light Replacement Battery
    $19.79 - $19.79
    $19.79
    $19.79 - $19.79
    $19.79

    AJC Battery Compatible with Portalac GS PE6V12F1 6V 12Ah 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
    $19.79 - $19.79
    $19.79
    $19.79 - $19.79
    $19.79
  • Portalac GS PE6V1.2 6V 1.3Ah Emergency Light Replacement Battery
    $5.69 - $5.69
    $5.69
    $5.69 - $5.69
    $5.69

    AJC Battery Compatible with Portalac GS PE6V1.2 6V 1.3Ah 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
    $5.69 - $5.69
    $5.69
    $5.69 - $5.69
    $5.69
  • Portalac GS PE6V10 6V 12Ah Emergency Light Replacement Battery
    $19.79 - $19.79
    $19.79
    $19.79 - $19.79
    $19.79

    AJC Battery Compatible with Portalac GS PE6V10 6V 12Ah 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
    $19.79 - $19.79
    $19.79
    $19.79 - $19.79
    $19.79
  • Portalac GS PE6V1.2F1 6V 1.3Ah Emergency Light Replacement Battery
    $5.69 - $5.69
    $5.69
    $5.69 - $5.69
    $5.69

    AJC Battery Compatible with Portalac GS PE6V1.2F1 6V 1.3Ah 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
    $5.69 - $5.69
    $5.69
    $5.69 - $5.69
    $5.69
  • Portalac GS PE6-4 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 Portalac GS PE6-4 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
  • Portalac GS PE12V7.2F1 12V 8Ah Emergency Light Replacement Battery
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99

    AJC Battery Compatible with Portalac GS PE12V7.2F1 12V 8Ah 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
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99
  • Portalac GS PE12V4.5F1 12V 5Ah Emergency Light Replacement Battery
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49

    AJC Battery Compatible with Portalac GS PE12V4.5F1 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
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49