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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 $42.29 - Original price $47.39
    Original price
    $42.29 - $47.39
    $42.29 - $47.39
    Current price $42.29

    AJC Battery Compatible with IBM UPS 90P4829 12V 12Ah 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...

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    Original price $42.29 - Original price $47.39
    Original price
    $42.29 - $47.39
    $42.29 - $47.39
    Current price $42.29
  • Original price $19.39 - Original price $27.49
    Original price
    $19.39 - $27.49
    $19.39 - $27.49
    Current price $19.39

    AJC Battery Compatible with IBM UPS 90P4827 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...

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    Original price $19.39 - Original price $27.49
    Original price
    $19.39 - $27.49
    $19.39 - $27.49
    Current price $19.39
  • Original price $27.49 - Original price $27.49
    Original price
    $27.49
    $27.49 - $27.49
    Current price $27.49

    AJC Battery Compatible with IBM 69Y1982 12V 9Ah 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 $27.49 - Original price $27.49
    Original price
    $27.49
    $27.49 - $27.49
    Current price $27.49
  • Original price $27.49 - Original price $27.49
    Original price
    $27.49
    $27.49 - $27.49
    Current price $27.49

    AJC Battery Compatible with IBM 53961KX 12V 9Ah 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 $27.49 - Original price $27.49
    Original price
    $27.49
    $27.49 - $27.49
    Current price $27.49
  • Original price $27.49 - Original price $27.49
    Original price
    $27.49
    $27.49 - $27.49
    Current price $27.49

    AJC Battery Compatible with IBM 5395-3KX 12V 9Ah 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 $27.49 - Original price $27.49
    Original price
    $27.49
    $27.49 - $27.49
    Current price $27.49
  • Original price $27.49 - Original price $27.49
    Original price
    $27.49
    $27.49 - $27.49
    Current price $27.49

    AJC Battery Compatible with IBM 5395-3JX 12V 9Ah 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 $27.49 - Original price $27.49
    Original price
    $27.49
    $27.49 - $27.49
    Current price $27.49
  • Original price $27.49 - Original price $27.49
    Original price
    $27.49
    $27.49 - $27.49
    Current price $27.49

    AJC Battery Compatible with IBM 5395-3AX 12V 9Ah 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 $27.49 - Original price $27.49
    Original price
    $27.49
    $27.49 - $27.49
    Current price $27.49
  • Original price $27.49 - Original price $27.49
    Original price
    $27.49
    $27.49 - $27.49
    Current price $27.49

    AJC Battery Compatible with IBM 53952KX 12V 9Ah 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 $27.49 - Original price $27.49
    Original price
    $27.49
    $27.49 - $27.49
    Current price $27.49
  • Original price $27.49 - Original price $27.49
    Original price
    $27.49
    $27.49 - $27.49
    Current price $27.49

    AJC Battery Compatible with IBM 53951KX 12V 9Ah 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 $27.49 - Original price $27.49
    Original price
    $27.49
    $27.49 - $27.49
    Current price $27.49
  • Original price $18.49 - Original price $18.49
    Original price
    $18.49
    $18.49 - $18.49
    Current price $18.49

    AJC Battery Compatible with IBM 2130-RU1 2130-1RX 40K9656 40K9707 12V 5Ah 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 $18.49 - Original price $18.49
    Original price
    $18.49
    $18.49 - $18.49
    Current price $18.49
  • Original price $53.29 - Original price $59.49
    Original price
    $53.29 - $59.49
    $53.29 - $59.49
    Current price $53.29

    AJC Battery Compatible with IBM 2130R6X 12V 18Ah 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 $53.29 - Original price $59.49
    Original price
    $53.29 - $59.49
    $53.29 - $59.49
    Current price $53.29
  • Original price $27.49 - Original price $27.49
    Original price
    $27.49
    $27.49 - $27.49
    Current price $27.49

    AJC Battery Compatible with IBM 1500VA LCD 120V 5396 5396TU2 53962AX 69Y6082 46M4045 46M4045 12V 9Ah 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 $27.49 - Original price $27.49
    Original price
    $27.49
    $27.49 - $27.49
    Current price $27.49
  • Original price $27.49 - Original price $27.49
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    $27.49 - $27.49
    Current price $27.49

    AJC Battery Compatible with HP T1500 G3 pn: 501033-001 12V 9Ah 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 $27.49 - Original price $27.49
    Original price
    $27.49
    $27.49 - $27.49
    Current price $27.49
  • Original price $18.49 - Original price $18.49
    Original price
    $18.49
    $18.49 - $18.49
    Current price $18.49

    AJC Battery Compatible with HP R3000 AF414A AF422A AF423A AF424A AF425A 12V 5Ah 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 $18.49 - Original price $18.49
    Original price
    $18.49
    $18.49 - $18.49
    Current price $18.49
  • Original price $27.49 - Original price $27.49
    Original price
    $27.49
    $27.49 - $27.49
    Current price $27.49

    AJC Battery Compatible with HP E T1000-T1500 12V 9Ah 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 $27.49 - Original price $27.49
    Original price
    $27.49
    $27.49 - $27.49
    Current price $27.49
  • Original price $19.39 - Original price $27.49
    Original price
    $19.39 - $27.49
    $19.39 - $27.49
    Current price $19.39

    AJC Battery Compatible with Hewlett Packard UP6003-2 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 $19.99 - Original price $19.99
    Original price
    $19.99
    $19.99 - $19.99
    Current price $19.99

    AJC Battery Compatible with Hewlett Packard T2000 6V 12Ah UPS 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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    Original price $19.99 - Original price $19.99
    Original price
    $19.99
    $19.99 - $19.99
    Current price $19.99
  • Original price $27.49 - Original price $27.49
    Original price
    $27.49
    $27.49 - $27.49
    Current price $27.49

    AJC Battery Compatible with Hewlett Packard L900 12V 9Ah 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 $27.49 - Original price $27.49
    Original price
    $27.49
    $27.49 - $27.49
    Current price $27.49
  • Original price $27.49 - Original price $27.49
    Original price
    $27.49
    $27.49 - $27.49
    Current price $27.49

    AJC Battery Compatible with Hewlett Packard L600 12V 9Ah 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 $27.49 - Original price $27.49
    Original price
    $27.49
    $27.49 - $27.49
    Current price $27.49
  • Original price $53.29 - Original price $59.49
    Original price
    $53.29 - $59.49
    $53.29 - $59.49
    Current price $53.29

    AJC Battery Compatible with Hewlett Packard 242688 12V 18Ah 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 $53.29 - Original price $59.49
    Original price
    $53.29 - $59.49
    $53.29 - $59.49
    Current price $53.29
  • Original price $53.29 - Original price $59.49
    Original price
    $53.29 - $59.49
    $53.29 - $59.49
    Current price $53.29

    AJC Battery Compatible with Hewlett Packard 199455-001 12V 18Ah 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 $53.29 - Original price $59.49
    Original price
    $53.29 - $59.49
    $53.29 - $59.49
    Current price $53.29
  • Original price $27.49 - Original price $27.49
    Original price
    $27.49
    $27.49 - $27.49
    Current price $27.49

    AJC Battery Compatible with Green Cell UPS17 12V 9Ah 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 $27.49 - Original price $27.49
    Original price
    $27.49
    $27.49 - $27.49
    Current price $27.49
  • Original price $27.49 - Original price $27.49
    Original price
    $27.49
    $27.49 - $27.49
    Current price $27.49

    AJC Battery Compatible with Green Cell UPS15 12V 9Ah 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 $27.49 - Original price $27.49
    Original price
    $27.49
    $27.49 - $27.49
    Current price $27.49
  • Original price $27.49 - Original price $27.49
    Original price
    $27.49
    $27.49 - $27.49
    Current price $27.49

    AJC Battery Compatible with Green Cell UPS14 12V 9Ah 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 $27.49 - Original price $27.49
    Original price
    $27.49
    $27.49 - $27.49
    Current price $27.49

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.