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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

UPS Batteries

Power outages shouldn’t mean downtime for your business. At BatteryClerk, we provide a wide range of high-quality replacement batteries for UPS systems, designed to keep your critical equipment running seamlessly during unexpected power disruptions. Our inventory features top brands, and our team of experts is here to help you find the perfect battery for your specific UPS model. With unbeatable prices and fast, reliable shipping, BatteryClerk ensures your business stays protected and operational. Don’t let power interruptions slow you down—shop now and keep your operations running smoothly

  • Original price $19.39 - Original price $27.49
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    $19.39 - $27.49
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    AJC Battery Compatible with OPTI-UPS PS1000D 12V 7Ah UPS 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
    Original price $19.39 - Original price $27.49
    Original price
    $19.39 - $27.49
    $19.39 - $27.49
    Current price $19.39
  • Original price $19.39 - Original price $27.49
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    $19.39 - $27.49
    Current price $19.39

    AJC Battery Compatible with OPTI-UPS PS800 800PS 12V 7Ah UPS 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
    Original price $19.39 - Original price $27.49
    Original price
    $19.39 - $27.49
    $19.39 - $27.49
    Current price $19.39
  • Original price $19.39 - Original price $27.49
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    $19.39 - $27.49
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    AJC Battery Compatible with OPTI-UPS PS800-RM 12V 7Ah UPS 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
    Original price $19.39 - Original price $27.49
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    $19.39 - $27.49
    $19.39 - $27.49
    Current price $19.39
  • Original price $19.39 - Original price $27.49
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    Current price $19.39

    AJC Battery Compatible with OPTI-UPS TS1000C 12V 7Ah UPS 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
    Original price $19.39 - Original price $27.49
    Original price
    $19.39 - $27.49
    $19.39 - $27.49
    Current price $19.39
  • Original price $19.39 - Original price $27.49
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    $19.39 - $27.49
    Current price $19.39

    AJC Battery Compatible with OPTI-UPS TS1250 12V 7Ah UPS 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
    Original price $19.39 - Original price $27.49
    Original price
    $19.39 - $27.49
    $19.39 - $27.49
    Current price $19.39
  • Original price $19.39 - Original price $27.49
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    Current price $19.39

    AJC Battery Compatible with OPTI-UPS TS1500C 12V 7Ah UPS 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
    Original price $19.39 - Original price $27.49
    Original price
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    $19.39 - $27.49
    Current price $19.39
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    AJC Battery Compatible with OPTI-UPS TS1700 12V 7Ah UPS 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
    Original price $19.39 - Original price $27.49
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    $19.39 - $27.49
    Current price $19.39
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    AJC Battery Compatible with Energenie 1200VA EG-UPS-033 12V 7Ah UPS 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
    Original price $19.39 - Original price $27.49
    Original price
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    $19.39 - $27.49
    Current price $19.39
  • Original price $19.39 - Original price $27.49
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    AJC Battery Compatible with Energenie 1200VA UPS-PC-1202AP 12V 7Ah UPS 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
    Original price $19.39 - Original price $27.49
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    $19.39 - $27.49
    Current price $19.39
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    AJC Battery Compatible with Powerware 05146554-5591 12V 7Ah UPS 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
    Original price $19.39 - Original price $27.49
    Original price
    $19.39 - $27.49
    $19.39 - $27.49
    Current price $19.39
  • Original price $19.39 - Original price $27.49
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    AJC Battery Compatible with Powerware 106711187-001 12V 7Ah UPS 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
    Original price $19.39 - Original price $27.49
    Original price
    $19.39 - $27.49
    $19.39 - $27.49
    Current price $19.39
  • Original price $19.39 - Original price $27.49
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    AJC Battery Compatible with Powerware 5115-700 12V 7Ah UPS 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
    Original price $19.39 - Original price $27.49
    Original price
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    $19.39 - $27.49
    Current price $19.39
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    AJC Battery Compatible with Powerware FX2002-700 12V 7Ah UPS 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
    Original price $19.39 - Original price $27.49
    Original price
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    $19.39 - $27.49
    Current price $19.39
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    AJC Battery Compatible with Best Power Fortress II LI 520 BTG-0301 12V 7Ah UPS 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
    Original price $19.39 - Original price $27.49
    Original price
    $19.39 - $27.49
    $19.39 - $27.49
    Current price $19.39
  • Original price $19.39 - Original price $27.49
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    AJC Battery Compatible with Best Power Fortress II-LI 720 BTG-0301 12V 7Ah UPS 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
    Original price $19.39 - Original price $27.49
    Original price
    $19.39 - $27.49
    $19.39 - $27.49
    Current price $19.39
  • Original price $19.39 - Original price $27.49
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    AJC Battery Compatible with Best Power Fortress LI 520 BAT-0062 12V 7Ah UPS 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
    Original price $19.39 - Original price $27.49
    Original price
    $19.39 - $27.49
    $19.39 - $27.49
    Current price $19.39
  • Original price $19.39 - Original price $27.49
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    AJC Battery Compatible with Best Power Fortress LI 675 BAT-0062 12V 7Ah UPS 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
    Original price $19.39 - Original price $27.49
    Original price
    $19.39 - $27.49
    $19.39 - $27.49
    Current price $19.39
  • Original price $19.39 - Original price $27.49
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    Current price $19.39

    AJC Battery Compatible with Best Power Fortress LI 720 BAT-0062 12V 7Ah UPS 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
    Original price $19.39 - Original price $27.49
    Original price
    $19.39 - $27.49
    $19.39 - $27.49
    Current price $19.39
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    AJC Battery Compatible with Best Power Fortress Rack Mount LI 720 BAT-0370 12V 7Ah UPS 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
    Original price $19.39 - Original price $27.49
    Original price
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    $19.39 - $27.49
    Current price $19.39
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    AJC Battery Compatible with Eaton 5115-750 12V 7Ah UPS 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
    Original price $19.39 - Original price $27.49
    Original price
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    $19.39 - $27.49
    Current price $19.39
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    AJC Battery Compatible with Staco SBN-08002 12V 7Ah UPS 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
    Original price $19.39 - Original price $27.49
    Original price
    $19.39 - $27.49
    $19.39 - $27.49
    Current price $19.39
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    AJC Battery Compatible with Staco SB-10001 12V 7Ah UPS 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
    Original price $19.39 - Original price $27.49
    Original price
    $19.39 - $27.49
    $19.39 - $27.49
    Current price $19.39
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    AJC Battery Compatible with Staco SB-10002 12V 7Ah UPS 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
    Original price $19.39 - Original price $27.49
    Original price
    $19.39 - $27.49
    $19.39 - $27.49
    Current price $19.39
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    AJC Battery Compatible with SurgeX SU-1000Li 12V 7Ah UPS 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
    Original price $19.39 - Original price $27.49
    Original price
    $19.39 - $27.49
    $19.39 - $27.49
    Current price $19.39

Keep your data safe during emergencies and downtime with a UPS device. Just as important, keep your UPS device running with a reliable replacement or backup battery. BatteryClerk offers a wide range of affordable and reliable UPS replacement batteries for many top brands.

UPS Battery Replacement

UPS Battery Replacement

View our guide for installing UPS replacement batteries to ensure you get the most out of your new AJC brand battery.