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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.

  • Portalac PXL12090 12V 9Ah Emergency Light Replacement Battery
    $25.49 - $25.49
    $25.49
    $25.49 - $25.49
    $25.49

    AJC Battery Compatible with Portalac PXL12090 12V 9Ah 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
    $25.49 - $25.49
    $25.49
    $25.49 - $25.49
    $25.49
  • Portalac GS PE6V12 6V 12Ah Emergency Light Replacement Battery
    $17.99 - $17.99
    $17.99
    $17.99 - $17.99
    $17.99

    AJC Battery Compatible with Portalac GS PE6V12 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
    $17.99 - $17.99
    $17.99
    $17.99 - $17.99
    $17.99
  • Portalac PE6V12 6V 12Ah Emergency Light Replacement Battery
    $17.99 - $17.99
    $17.99
    $17.99 - $17.99
    $17.99

    AJC Battery Compatible with Portalac PE6V12 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
    $17.99 - $17.99
    $17.99
    $17.99 - $17.99
    $17.99
  • Portalac GS PE6V4 6V 4.5Ah Emergency Light Replacement Battery
    $6.79 - $6.79
    $6.79
    $6.79 - $6.79
    $6.79

    AJC Battery Compatible with Portalac GS PE6V4 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
    $6.79 - $6.79
    $6.79
    $6.79 - $6.79
    $6.79
  • Portalac GS PE6V4.5F1 6V 4.5Ah Emergency Light Replacement Battery
    $6.79 - $6.79
    $6.79
    $6.79 - $6.79
    $6.79

    AJC Battery Compatible with Portalac GS PE6V4.5F1 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
    $6.79 - $6.79
    $6.79
    $6.79 - $6.79
    $6.79
  • Portalac PE6V10 6V 10Ah Emergency Light Replacement Battery
    $16.89 - $16.89
    $16.89
    $16.89 - $16.89
    $16.89

    AJC Battery Compatible with Portalac PE6V10 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 ...

    View full details
    $16.89 - $16.89
    $16.89
    $16.89 - $16.89
    $16.89
  • Portalac PE12V9 12V 9Ah Emergency Light Replacement Battery
    $25.49 - $25.49
    $25.49
    $25.49 - $25.49
    $25.49

    AJC Battery Compatible with Portalac PE12V9 12V 9Ah 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
    $25.49 - $25.49
    $25.49
    $25.49 - $25.49
    $25.49
  • Portalac PX12072HG 12V 7Ah Emergency Light Replacement Battery
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59

    AJC Battery Compatible with Portalac PX12072HG 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
  • Portalac PX12072 12V 8Ah Emergency Light Replacement Battery
    $21.19 - $21.19
    $21.19
    $21.19 - $21.19
    $21.19

    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
    $21.19 - $21.19
    $21.19
    $21.19 - $21.19
    $21.19
  • Portalac GS PE12V4.5 12V 4.5Ah Emergency Light Replacement Battery
    $15.99 - $15.99
    $15.99
    $15.99 - $15.99
    $15.99

    AJC Battery Compatible with Portalac GS PE12V4.5 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
  • Portalac PE6V12 6V 12Ah Emergency Light Replacement Battery
    $17.99 - $17.99
    $17.99
    $17.99 - $17.99
    $17.99

    AJC Battery Compatible with Portalac PE6V12 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
    $17.99 - $17.99
    $17.99
    $17.99 - $17.99
    $17.99
  • Portalac PX12072 12V 7Ah Emergency Light Replacement Battery
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59

    AJC Battery Compatible with Portalac PX12072 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
  • Portalac PE6V4 6V 4.5Ah Emergency Light Replacement Battery
    $6.79 - $6.79
    $6.79
    $6.79 - $6.79
    $6.79

    AJC Battery Compatible with Portalac PE6V4 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
    $6.79 - $6.79
    $6.79
    $6.79 - $6.79
    $6.79
  • Portalac lac PE6V10 6V 10Ah Emergency Light Replacement Battery
    $16.89 - $16.89
    $16.89
    $16.89 - $16.89
    $16.89

    AJC Battery Compatible with Portalac lac PE6V10 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 ...

    View full details
    $16.89 - $16.89
    $16.89
    $16.89 - $16.89
    $16.89
  • Portalac PE12V4.5 12V 4.5Ah Emergency Light Replacement Battery
    $15.99 - $15.99
    $15.99
    $15.99 - $15.99
    $15.99

    AJC Battery Compatible with Portalac PE12V4.5 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
  • Portalac GS PE6V4.5F1 6V 4.5Ah Emergency Light Replacement Battery
    $6.79 - $6.79
    $6.79
    $6.79 - $6.79
    $6.79

    AJC Battery Compatible with Portalac GS PE6V4.5F1 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
    $6.79 - $6.79
    $6.79
    $6.79 - $6.79
    $6.79
  • Portalac PE6V4 6V 4.5Ah Emergency Light Replacement Battery
    $6.79 - $6.79
    $6.79
    $6.79 - $6.79
    $6.79

    AJC Battery Compatible with Portalac PE6V4 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
    $6.79 - $6.79
    $6.79
    $6.79 - $6.79
    $6.79
  • Portalac GS TEV12360 12V 35Ah Emergency Light Replacement Battery
    $90.19 - $90.19
    $90.19
    $90.19 - $90.19
    $90.19

    AJC Battery Compatible with Portalac GS TEV12360 12V 35Ah 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
    $90.19 - $90.19
    $90.19
    $90.19 - $90.19
    $90.19
  • Portalac GS PE12V17 BOLT 12V 18Ah Emergency Light Replacement Battery
    $46.99 - $46.99
    $46.99
    $46.99 - $46.99
    $46.99

    AJC Battery Compatible with Portalac GS PE12V17 BOLT 12V 18Ah 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
    $46.99 - $46.99
    $46.99
    $46.99 - $46.99
    $46.99
  • Portalac GS PE10612 6V 12Ah Emergency Light Replacement Battery
    $17.99 - $17.99
    $17.99
    $17.99 - $17.99
    $17.99

    AJC Battery Compatible with Portalac GS PE10612 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
    $17.99 - $17.99
    $17.99
    $17.99 - $17.99
    $17.99
  • Portalac PE6V4.5F1 6V 5Ah Emergency Light Replacement Battery
    $9.39 - $9.39
    $9.39
    $9.39 - $9.39
    $9.39

    AJC Battery Compatible with Portalac PE6V4.5F1 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
    $9.39 - $9.39
    $9.39
    $9.39 - $9.39
    $9.39
  • Portalac PE6V12 6V 10Ah Emergency Light Replacement Battery
    $16.89 - $16.89
    $16.89
    $16.89 - $16.89
    $16.89

    AJC Battery Compatible with Portalac PE6V12 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 ...

    View full details
    $16.89 - $16.89
    $16.89
    $16.89 - $16.89
    $16.89
  • Portalac GS PXL12090 12V 9Ah Emergency Light Replacement Battery
    $25.49 - $25.49
    $25.49
    $25.49 - $25.49
    $25.49

    AJC Battery Compatible with Portalac GS PXL12090 12V 9Ah 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
    $25.49 - $25.49
    $25.49
    $25.49 - $25.49
    $25.49
  • Portalac GS PORTALC PE6V4 6V 4.5Ah Emergency Light Replacement Battery
    $6.79 - $6.79
    $6.79
    $6.79 - $6.79
    $6.79

    AJC Battery Compatible with Portalac GS PORTALC PE6V4 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
    $6.79 - $6.79
    $6.79
    $6.79 - $6.79
    $6.79