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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 $53.39 - Original price $58.99
    Original price
    $53.39 - $58.99
    $53.39 - $58.99
    Current price $53.39

    AJC Battery Compatible with Kung Long WP20-12E 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...

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    Original price $53.39 - Original price $58.99
    Original price
    $53.39 - $58.99
    $53.39 - $58.99
    Current price $53.39
  • Original price $9.99 - Original price $9.99
    Original price
    $9.99
    $9.99 - $9.99
    Current price $9.99

    AJC Battery Compatible with Jetech PP-500 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 $22.99 - Original price $22.99
    Original price
    $22.99
    $22.99 - $22.99
    Current price $22.99

    AJC Battery Compatible with Genesis NP7-12 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...

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    Original price $22.99 - Original price $22.99
    Original price
    $22.99
    $22.99 - $22.99
    Current price $22.99
  • 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 Genesis NP12-12 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 $5.69 - Original price $5.69
    Original price
    $5.69
    $5.69 - $5.69
    Current price $5.69

    AJC Battery Compatible with GE 60914 6V 1.3Ah 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 $5.69 - Original price $5.69
    Original price
    $5.69
    $5.69 - $5.69
    Current price $5.69
  • Original price $7.99 - Original price $7.99
    Original price
    $7.99
    $7.99 - $7.99
    Current price $7.99

    AJC Battery Compatible with Enpower At Power Supply 12V 1.3Ah 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 $7.99 - Original price $7.99
    Original price
    $7.99
    $7.99 - $7.99
    Current price $7.99
  • Original price $35.39 - Original price $46.59
    Original price
    $35.39 - $46.59
    $35.39 - $46.59
    Current price $35.39

    AJC Battery Compatible with Enduring 6FM12 T2 12V 10Ah 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 $35.39 - Original price $46.59
    Original price
    $35.39 - $46.59
    $35.39 - $46.59
    Current price $35.39
  • 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 Eaton Powerware 58700036-001 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 $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 Eaton EX 3000 RT2U 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 $76.99 - Original price $76.99
    Original price
    $76.99
    $76.99 - $76.99
    Current price $76.99

    AJC Battery Compatible with EaglePicher CF-12V26 12V 26Ah 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 $76.99 - Original price $76.99
    Original price
    $76.99
    $76.99 - $76.99
    Current price $76.99
  • Original price $11.79 - Original price $11.79
    Original price
    $11.79
    $11.79 - $11.79
    Current price $11.79

    AJC Battery Compatible with CyberPower Smart App LCD OR700LCDRM1U 6V 7Ah 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 $11.79 - Original price $11.79
    Original price
    $11.79
    $11.79 - $11.79
    Current price $11.79
  • 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 RB1280X2 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 $11.79 - Original price $11.79
    Original price
    $11.79
    $11.79 - $11.79
    Current price $11.79

    AJC Battery Compatible with CyberPower OR700LCDRM1U 6V 7Ah 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 ...

    View full details
    Original price $11.79 - Original price $11.79
    Original price
    $11.79
    $11.79 - $11.79
    Current price $11.79
  • 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 OL1500RTXL2U 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 1500AVR-HO 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 Intelligent LCD CP1500AVRLCD 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 CS24U12V-NA3 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 $27.19
    Original price
    $18.99 - $27.19
    $18.99 - $27.19
    Current price $18.99

    AJC Battery Compatible with CyberPower CP900AVR CP900D 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 CyberPower CP850AVRLCD 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 CP1200AVR 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 $53.39 - Original price $53.39
    Original price
    $53.39
    $53.39 - $53.39
    Current price $53.39

    AJC Battery Compatible with CSB GP12170 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 $53.39 - Original price $53.39
    Original price
    $53.39
    $53.39 - $53.39
    Current price $53.39
  • Original price $174.79 - Original price $174.79
    Original price
    $174.79
    $174.79 - $174.79
    Current price $174.79

    AJC Battery Compatible with Crown 12CE75 12V 75Ah 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 $174.79 - Original price $174.79
    Original price
    $174.79
    $174.79 - $174.79
    Current price $174.79
  • Original price $147.19 - Original price $147.19
    Original price
    $147.19
    $147.19 - $147.19
    Current price $147.19

    AJC Battery Compatible with Crown 12CE55 12V 55Ah 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 $147.19 - Original price $147.19
    Original price
    $147.19
    $147.19 - $147.19
    Current price $147.19
  • Original price $101.59 - Original price $101.59
    Original price
    $101.59
    $101.59 - $101.59
    Current price $101.59

    AJC Battery Compatible with Crown 12CE35 12V 35Ah 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 $101.59 - Original price $101.59
    Original price
    $101.59
    $101.59 - $101.59
    Current price $101.59

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.