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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

  • MGE Pulsar ESV17 12V 18Ah UPS Replacement Battery
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

    AJC Battery Compatible with MGE Pulsar ESV17 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
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • MGE Pulsar ESV20 12V 18Ah UPS Replacement Battery
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

    AJC Battery Compatible with MGE Pulsar ESV20 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
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • MGE Pulsar ESVB 12V 18Ah UPS Replacement Battery
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

    AJC Battery Compatible with MGE Pulsar ESVB 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
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • MGE Pulsar SV16 12V 18Ah UPS Replacement Battery
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

    AJC Battery Compatible with MGE Pulsar SV16 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
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • MGE Pulsar SV20 12V 18Ah UPS Replacement Battery
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

    AJC Battery Compatible with MGE Pulsar SV20 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
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • MGE Pulsar SVB 12V 18Ah UPS Replacement Battery
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

    AJC Battery Compatible with MGE Pulsar SVB 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
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • MGE 16 12V 18Ah UPS Replacement Battery
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

    AJC Battery Compatible with MGE 16 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
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • MGE ESVB 12V 18Ah UPS Replacement Battery
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

    AJC Battery Compatible with MGE ESVB 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
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • MGE ESV17 12V 18Ah UPS Replacement Battery
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

    AJC Battery Compatible with MGE ESV17 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
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • MGE ESV20 12V 18Ah UPS Replacement Battery
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

    AJC Battery Compatible with MGE ESV20 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
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • MGE Pulsar ESV22+ 12V 12Ah UPS Replacement Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with MGE Pulsar ESV22+ 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
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • MGE Pulsar Evolution 800 Rack 6V 7Ah UPS Replacement Battery
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79

    AJC Battery Compatible with MGE Pulsar Evolution 800 Rack 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
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79
  • MGE Pulsar ES2 6V 7Ah UPS Replacement Battery
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79

    AJC Battery Compatible with MGE Pulsar ES2 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
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79
  • MGE Pulsar ES4 6V 7Ah UPS Replacement Battery
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79

    AJC Battery Compatible with MGE Pulsar ES4 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
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79
  • MGE Pulsar ESV 5+ 6V 7Ah UPS Replacement Battery
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79

    AJC Battery Compatible with MGE Pulsar ESV 5+ 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
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79
  • MGE Pulsar ESV3 6V 7Ah UPS Replacement Battery
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79

    AJC Battery Compatible with MGE Pulsar ESV3 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
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79
  • MGE Pulsar ESV5 6V 7Ah UPS Replacement Battery
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79

    AJC Battery Compatible with MGE Pulsar ESV5 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
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79
  • MGE EL2 6V 7Ah UPS Replacement Battery
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79

    AJC Battery Compatible with MGE EL2 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
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79
  • MGE ES2 6V 7Ah UPS Replacement Battery
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79

    AJC Battery Compatible with MGE ES2 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
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79
  • MGE ES5 Plus 6V 7Ah UPS Replacement Battery
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79

    AJC Battery Compatible with MGE ES5 Plus 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
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79
  • MGE ESV3 6V 7Ah UPS Replacement Battery
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79

    AJC Battery Compatible with MGE ESV3 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
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79
  • MGE ESV5 6V 7Ah UPS Replacement Battery
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79

    AJC Battery Compatible with MGE ESV5 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
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79
  • MGE ESV5 Plus 6V 7Ah UPS Replacement Battery
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79

    AJC Battery Compatible with MGE ESV5 Plus 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
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79
  • MGE Evolution 500 6V 7Ah UPS Replacement Battery
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79

    AJC Battery Compatible with MGE Evolution 500 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
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79

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.