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

    AJC Battery Compatible with CyberPower CPS1250AVR CPS1500AVRHO 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 $9.99 - Original price $9.99
    Original price
    $9.99
    $9.99 - $9.99
    Current price $9.99

    AJC Battery Compatible with CyberPower CPS1250AVR 6V 5Ah 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 $9.99 - Original price $9.99
    Original price
    $9.99
    $9.99 - $9.99
    Current price $9.99
  • Original price $27.19 - Original price $27.19
    Original price
    $27.19
    $27.19 - $27.19
    Current price $27.19

    AJC Battery Compatible with CyberPower CPS1250AVR 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 $18.49 - Original price $18.49
    Original price
    $18.49
    $18.49 - $18.49
    Current price $18.49

    AJC Battery Compatible with CyberPower CPS1250AVR 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 $211.49 - Original price $211.49
    Original price
    $211.49
    $211.49 - $211.49
    Current price $211.49

    AJC Battery Compatible with CyberPower CPS1000E 12V 100Ah 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 $211.49 - Original price $211.49
    Original price
    $211.49
    $211.49 - $211.49
    Current price $211.49
  • Original price $27.19 - Original price $27.19
    Original price
    $27.19
    $27.19 - $27.19
    Current price $27.19

    AJC Battery Compatible with CyberPower CP825AVRLCD-G 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 $18.99
    Original price
    $18.99
    $18.99 - $18.99
    Current price $18.99

    AJC Battery Compatible with CyberPower CPS1000AVR 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 $18.99
    Original price
    $18.99
    $18.99 - $18.99
    Current price $18.99
  • Original price $22.99 - Original price $22.99
    Original price
    $22.99
    $22.99 - $22.99
    Current price $22.99

    AJC Battery Compatible with CyberPower CP900AVR 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 $27.19 - Original price $27.19
    Original price
    $27.19
    $27.19 - $27.19
    Current price $27.19

    AJC Battery Compatible with CyberPower CP825AVRG 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
    Original price
    $27.19
    $27.19 - $27.19
    Current price $27.19

    AJC Battery Compatible with CyberPower CP825AVRLCD 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
    Original price
    $22.99
    $22.99 - $22.99
    Current price $22.99

    AJC Battery Compatible with CyberPower CP685AVRLCD 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 $27.19 - Original price $27.19
    Original price
    $27.19
    $27.19 - $27.19
    Current price $27.19

    AJC Battery Compatible with CyberPower CP685AVRG 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
    Original price
    $22.99
    $22.99 - $22.99
    Current price $22.99

    AJC Battery Compatible with CyberPower CP685AVR 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 $27.19 - Original price $27.19
    Original price
    $27.19
    $27.19 - $27.19
    Current price $27.19

    AJC Battery Compatible with CyberPower CP685AVR 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
    Original price
    $27.19
    $27.19 - $27.19
    Current price $27.19

    AJC Battery Compatible with CyberPower CP525SL 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
    Original price
    $18.99 - $27.19
    $18.99 - $27.19
    Current price $18.99

    AJC Battery Compatible with CyberPower CP525SL 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 $18.99
    Original price
    $18.99
    $18.99 - $18.99
    Current price $18.99

    AJC Battery Compatible with CyberPower CP1500LCD 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 $18.99
    Original price
    $18.99
    $18.99 - $18.99
    Current price $18.99
  • Original price $22.99 - Original price $22.99
    Original price
    $22.99
    $22.99 - $22.99
    Current price $22.99

    AJC Battery Compatible with CyberPower CP1500AVRLCD 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 $18.49 - Original price $18.49
    Original price
    $18.49
    $18.49 - $18.49
    Current price $18.49

    AJC Battery Compatible with CyberPower CP 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 $18.99 - Original price $18.99
    Original price
    $18.99
    $18.99 - $18.99
    Current price $18.99

    AJC Battery Compatible with CyberPower CP1285C 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 $18.99
    Original price
    $18.99
    $18.99 - $18.99
    Current price $18.99
  • Original price $22.99 - Original price $22.99
    Original price
    $22.99
    $22.99 - $22.99
    Current price $22.99

    AJC Battery Compatible with CyberPower BPL48V75ART2U TBC49 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 BC900 BC900D 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 $18.99
    Original price
    $18.99
    $18.99 - $18.99
    Current price $18.99

    AJC Battery Compatible with CyberPower BA-825AVR 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 $18.99
    Original price
    $18.99
    $18.99 - $18.99
    Current price $18.99
  • Original price $18.99 - Original price $18.99
    Original price
    $18.99
    $18.99 - $18.99
    Current price $18.99

    AJC Battery Compatible with CyberPower AE550 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 $18.99
    Original price
    $18.99
    $18.99 - $18.99
    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.