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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 $18.99 - Original price $27.19
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    $18.99 - $27.19
    Current price $18.99

    AJC Battery Compatible with APC BackUPS CS500 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 $18.99 - Original price $27.19
    Original price
    $18.99 - $27.19
    $18.99 - $27.19
    Current price $18.99
  • Original price $18.99 - Original price $27.19
    Original price
    $18.99 - $27.19
    $18.99 - $27.19
    Current price $18.99

    AJC Battery Compatible with APC Back-UPS 900 XS900 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 $18.99 - Original price $27.19
    Original price
    $18.99 - $27.19
    $18.99 - $27.19
    Current price $18.99
  • Original price $27.19 - Original price $27.19
    Original price
    $27.19
    $27.19 - $27.19
    Current price $27.19

    AJC Battery Compatible with APC Back-UPS 600 BN600 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 $27.19 - Original price $27.19
    Original price
    $27.19
    $27.19 - $27.19
    Current price $27.19
  • Original price $18.99 - Original price $27.19
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    $18.99 - $27.19
    Current price $18.99

    AJC Battery Compatible with APC Back-UPS 350 BK350 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 $18.99 - Original price $27.19
    Original price
    $18.99 - $27.19
    $18.99 - $27.19
    Current price $18.99
  • Original price $27.19 - Original price $27.19
    Original price
    $27.19
    $27.19 - $27.19
    Current price $27.19

    AJC Battery Compatible with APC BACK-UPS 1500 XS1500 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 $27.19 - Original price $27.19
    Original price
    $27.19
    $27.19 - $27.19
    Current price $27.19
  • Original price $18.99 - Original price $27.19
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    $18.99 - $27.19
    Current price $18.99

    AJC Battery Compatible with APC Back-UPS 1500 RS1500 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 $18.99 - Original price $27.19
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    $18.99 - $27.19
    Current price $18.99
  • Original price $19.79 - Original price $19.79
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    Current price $19.79

    AJC Battery Compatible with APC AP 550ES 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 $19.79 - Original price $19.79
    Original price
    $19.79
    $19.79 - $19.79
    Current price $19.79
  • Original price $41.89 - Original price $46.59
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    $41.89 - $46.59
    Current price $41.89

    AJC Battery Compatible with APC 650 Pro 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...

    View full details
    Original price $41.89 - Original price $46.59
    Original price
    $41.89 - $46.59
    $41.89 - $46.59
    Current price $41.89
  • Original price $27.19 - Original price $27.19
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    AJC Battery Compatible with Liebert PSA1000MT3-120U 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 $27.19 - Original price $27.19
    Original price
    $27.19
    $27.19 - $27.19
    Current price $27.19
  • Original price $41.89 - Original price $46.59
    Original price
    $41.89 - $46.59
    $41.89 - $46.59
    Current price $41.89

    AJC Battery Compatible with AJC Battery Brand Replacement for Johnson Controls GC-1212 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...

    View full details
    Original price $41.89 - Original price $46.59
    Original price
    $41.89 - $46.59
    $41.89 - $46.59
    Current price $41.89
  • Original price $27.19 - Original price $27.19
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    Current price $27.19

    AJC Battery Compatible with Ablerex JC1500 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 $27.19 - Original price $27.19
    Original price
    $27.19
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    Current price $27.19
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    Current price $27.19

    AJC Battery Compatible with Eaton 5P1500 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 $27.19 - Original price $27.19
    Original price
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    AJC Battery Compatible with SurgeX UPS-1000-OL 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 $27.19 - Original price $27.19
    Original price
    $27.19
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    Current price $27.19
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    AJC Battery Compatible with CyberPower 1500VA CP1500PFCLCD 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 $27.19 - Original price $27.19
    Original price
    $27.19
    $27.19 - $27.19
    Current price $27.19
  • Original price $18.99 - Original price $27.19
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    $18.99 - $27.19
    Current price $18.99

    AJC Battery Compatible with CyberPower PR750LCD 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 $18.99 - Original price $27.19
    Original price
    $18.99 - $27.19
    $18.99 - $27.19
    Current price $18.99
  • Original price $18.99 - Original price $27.19
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    $18.99 - $27.19
    Current price $18.99

    AJC Battery Compatible with Eaton 5S1000LCD 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 $18.99 - Original price $27.19
    Original price
    $18.99 - $27.19
    $18.99 - $27.19
    Current price $18.99
  • Original price $18.49 - Original price $18.49
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    $18.49 - $18.49
    Current price $18.49

    AJC Battery Compatible with Allen-Bradley 1609-SBAT 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 $27.19 - Original price $27.19
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    $27.19
    $27.19 - $27.19
    Current price $27.19

    AJC Battery Compatible with APC BE550G 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 $27.19 - Original price $27.19
    Original price
    $27.19
    $27.19 - $27.19
    Current price $27.19
  • Original price $27.19 - Original price $27.19
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    Current price $27.19

    AJC Battery Compatible with APC BackUPS 1000 XS1000 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 $27.19 - Original price $27.19
    Original price
    $27.19
    $27.19 - $27.19
    Current price $27.19
  • Original price $22.99 - Original price $22.99
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    $22.99
    $22.99 - $22.99
    Current price $22.99

    AJC Battery Compatible with APC BackUPS BN700MC 12V 8Ah 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 $22.99 - Original price $22.99
    Original price
    $22.99
    $22.99 - $22.99
    Current price $22.99
  • Original price $18.99 - Original price $27.19
    Original price
    $18.99 - $27.19
    $18.99 - $27.19
    Current price $18.99

    AJC Battery Compatible with CyberPower CP750LCD 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 $18.99 - Original price $27.19
    Original price
    $18.99 - $27.19
    $18.99 - $27.19
    Current price $18.99
  • Original price $18.99 - Original price $27.19
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    $18.99 - $27.19
    Current price $18.99

    AJC Battery Compatible with APC NS 1250 BN1250 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 $18.99 - Original price $27.19
    Original price
    $18.99 - $27.19
    $18.99 - $27.19
    Current price $18.99
  • Original price $18.99 - Original price $27.19
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    $18.99 - $27.19
    Current price $18.99

    AJC Battery Compatible with APC BR1000G 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 $18.99 - Original price $27.19
    Original price
    $18.99 - $27.19
    $18.99 - $27.19
    Current price $18.99
  • Original price $18.99 - Original price $27.19
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    $18.99 - $27.19
    Current price $18.99

    AJC Battery Compatible with CyberPower SmartApp PR750LCD 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 $18.99 - Original price $27.19
    Original price
    $18.99 - $27.19
    $18.99 - $27.19
    Current price $18.99

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.