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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 APC Smart-UPS DLA1500RMT5SU 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 $58.99
    Original price
    $53.39 - $58.99
    $53.39 - $58.99
    Current price $53.39
  • 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 SmartUps DLA1500 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 APC Dell 3000VA USB RM DLA3000RM2U 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 $53.39 - Original price $58.99
    Original price
    $53.39 - $58.99
    $53.39 - $58.99
    Current price $53.39

    AJC Battery Compatible with APC Smart-UPS Dell 1500VA USB DLA1500 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 $58.99
    Original price
    $53.39 - $58.99
    $53.39 - $58.99
    Current price $53.39
  • 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 SmartUPS C 1000VA LCD 120V SMC1000 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 $17.99 - Original price $19.79
    Original price
    $17.99 - $19.79
    $17.99 - $19.79
    Current price $17.99

    AJC Battery Compatible with APC Smart-UPS AP AP900 6V 10Ah 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 $17.99 - Original price $19.79
    Original price
    $17.99 - $19.79
    $17.99 - $19.79
    Current price $17.99
  • 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 Smart-UPS RT 1500VA SURTA1500RMXL2U 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 $17.99 - Original price $19.79
    Original price
    $17.99 - $19.79
    $17.99 - $19.79
    Current price $17.99

    AJC Battery Compatible with APC SmartUPS AP1250RM 6V 10Ah 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 $17.99 - Original price $19.79
    Original price
    $17.99 - $19.79
    $17.99 - $19.79
    Current price $17.99
  • Original price $17.99 - Original price $19.79
    Original price
    $17.99 - $19.79
    $17.99 - $19.79
    Current price $17.99

    AJC Battery Compatible with APC SmartUPS AP370 6V 10Ah 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 $17.99 - Original price $19.79
    Original price
    $17.99 - $19.79
    $17.99 - $19.79
    Current price $17.99
  • 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 APC SmartUPS AP1250RM 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 $58.99
    Original price
    $53.39 - $58.99
    $53.39 - $58.99
    Current price $53.39
  • 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 APC Smart-UPS AP AP250 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 $19.79 - Original price $19.79
    Original price
    $19.79
    $19.79 - $19.79
    Current price $19.79

    AJC Battery Compatible with APC SmartUPS A750RM2U 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 ...

    View full details
    Original price $19.79 - Original price $19.79
    Original price
    $19.79
    $19.79 - $19.79
    Current price $19.79
  • 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 Smart-UPS A750RM2U 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 $19.79 - Original price $19.79
    Original price
    $19.79
    $19.79 - $19.79
    Current price $19.79

    AJC Battery Compatible with APC SmartUPS 900 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 ...

    View full details
    Original price $19.79 - Original price $19.79
    Original price
    $19.79
    $19.79 - $19.79
    Current price $19.79
  • 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 APC Smart-UPS 750 XL SUA750XLI 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 $58.99
    Original price
    $53.39 - $58.99
    $53.39 - $58.99
    Current price $53.39
  • 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 APC Smart-UPS 750 XL SUA750XL 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 $58.99
    Original price
    $53.39 - $58.99
    $53.39 - $58.99
    Current price $53.39
  • Original price $22.99 - Original price $22.99
    Original price
    $22.99
    $22.99 - $22.99
    Current price $22.99

    AJC Battery Compatible with APC SMART-UPS 750VA USB SUA750 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 $22.99 - Original price $22.99
    Original price
    $22.99
    $22.99 - $22.99
    Current price $22.99

    AJC Battery Compatible with APC SmartUPS 750XL 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 $11.79 - Original price $11.79
    Original price
    $11.79
    $11.79 - $11.79
    Current price $11.79

    AJC Battery Compatible with APC Smart-UPS 750VA USB SER SUA750RM2U 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 $22.99 - Original price $22.99
    Original price
    $22.99
    $22.99 - $22.99
    Current price $22.99

    AJC Battery Compatible with APC SMART-UPS 750VA USB and SER SUA750RM2U 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 $11.79 - Original price $11.79
    Original price
    $11.79
    $11.79 - $11.79
    Current price $11.79

    AJC Battery Compatible with APC SmartUPS 750VA USB SUA750RM2U 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 $22.99 - Original price $22.99
    Original price
    $22.99
    $22.99 - $22.99
    Current price $22.99

    AJC Battery Compatible with APC SmartUPS 750VA USB Serial RM SUA750RM1U 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 $22.99 - Original price $22.99
    Original price
    $22.99
    $22.99 - $22.99
    Current price $22.99

    AJC Battery Compatible with APC Smart-UPS 750VA USB 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 $22.99 - Original price $22.99
    Original price
    $22.99
    $22.99 - $22.99
    Current price $22.99

    AJC Battery Compatible with APC SmartUPS 750VA LCD 120V US SMT750US 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

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.