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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

  • APC Back-UPS Back-UPS 350U 12V 7Ah UPS Replacement Battery
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99

    AJC Battery Compatible with APC Back-UPS Back-UPS 350U 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
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99
  • APC Back-UPS Pro 350 LS (BP350UC) 12V 7Ah UPS Replacement Battery
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99

    AJC Battery Compatible with APC Back-UPS Pro 350 LS BP350UC 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
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99
  • APC Back-UPS Pro 350 12V 8Ah UPS Replacement Battery
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99

    AJC Battery Compatible with APC Back-UPS Pro 350 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
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99
  • APC Back-UPS Back-UPS 350 USB 12V 8Ah UPS Replacement Battery
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99

    AJC Battery Compatible with APC Back-UPS Back-UPS 350 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
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99
  • APC Back-UPS Pro 350 BP350 12V 7Ah UPS Replacement Battery
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99

    AJC Battery Compatible with APC Back-UPS Pro 350 BP350 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
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99
  • APC Back-UPS Pro 284 12V 8Ah UPS Replacement Battery
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99

    AJC Battery Compatible with APC Back-UPS Pro 284 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
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99
  • APC Back-UPS Pro 280 W/L5-15R BP280SX116 12V 8Ah UPS Replacement Battery
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99

    AJC Battery Compatible with APC Back-UPS Pro 280 W L5-15R BP280SX116 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
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99
  • APC Back-UPS PRO 350 BP350 12V 8Ah UPS Replacement Battery
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99

    AJC Battery Compatible with APC Back-UPS PRO 350 BP350 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
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99
  • APC Back-UPS Pro 280 W/L5-15R BP280SX116 12V 7Ah UPS Replacement Battery
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99

    AJC Battery Compatible with APC Back-UPS Pro 280 W L5-15R BP280SX116 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
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99
  • APC Back-UPS Back-UPS 280S 12V 8Ah UPS Replacement Battery
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99

    AJC Battery Compatible with APC Back-UPS Back-UPS 280S 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
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99
  • APC Back-UPS Pro 280 S (BP280S) 12V 7Ah UPS Replacement Battery
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99

    AJC Battery Compatible with APC Back-UPS Pro 280 S BP280S 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
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99
  • APC Back-UPS Back-UPS 280PNP 12V 7Ah UPS Replacement Battery
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99

    AJC Battery Compatible with APC Back-UPS Back-UPS 280PNP 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
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99
  • APC Back-UPS Back-UPS 280C 12V 8Ah UPS Replacement Battery
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99

    AJC Battery Compatible with APC Back-UPS Back-UPS 280C 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
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99
  • APC Back-UPS Pro 280 (BP280SUS) 12V 7Ah UPS Replacement Battery
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99

    AJC Battery Compatible with APC Back-UPS Pro 280 BP280SUS 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
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99
  • APC Back-UPS Pro 280 BP280SI 12V 8Ah UPS Replacement Battery
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99

    AJC Battery Compatible with APC Back-UPS Pro 280 BP280SI 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
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99
  • APC Back-UPS Pro 280 BP280PNP BP280iPNP 12V 7Ah UPS Replacement Battery
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99

    AJC Battery Compatible with APC Back-UPS Pro 280 BP280PNP BP280iPNP 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
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99
  • APC Back-UPS Pro 280 (BP280IPNP) 12V 7Ah UPS Replacement Battery
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99

    AJC Battery Compatible with APC Back-UPS Pro 280 BP280IPNP 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
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99
  • APC Back-UPS Pro 280 (BP280I) 12V 7Ah UPS Replacement Battery
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99

    AJC Battery Compatible with APC Back-UPS Pro 280 BP280I 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
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99
  • APC Back-UPS Back-UPS 280 (BP280IPNP) 12V 8Ah UPS Replacement Battery
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99

    AJC Battery Compatible with APC Back-UPS Back-UPS 280 BP280IPNP 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
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99
  • APC Back-UPS Pro 280 280PNP 280BPNP 12V 7Ah UPS Replacement Battery
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99

    AJC Battery Compatible with APC Back-UPS Pro 280 280PNP 280BPNP 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
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99
  • APC Back-UPS Back-UPS 280 12V 8Ah UPS Replacement Battery
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99

    AJC Battery Compatible with APC Back-UPS Back-UPS 280 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
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99
  • APC Back-UPS Pro 280 (BP280) 12V 7Ah UPS Replacement Battery
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99

    AJC Battery Compatible with APC Back-UPS Pro 280 BP280 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
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99
  • APC Back-UPS Back-UPS 1400VA (BP1400) 12V 18Ah UPS Replacement Battery
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

    AJC Battery Compatible with APC Back-UPS Back-UPS 1400VA BP1400 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
  • APC Back-UPS Back-UPS 1400 International 12V 18Ah UPS Replacement Battery
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

    AJC Battery Compatible with APC Back-UPS Back-UPS 1400 International 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

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.