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BatteryClerk Prime FAST 1-2 day shipping to most of Canada
BatteryClerk Prime FAST 1-2 day shipping to most of Canada

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!

  • Panasonic LC-P067R2P LCP067R2P 6V 7Ah UPS Replacement Battery
    $15.39 - $15.39
    $15.39
    $15.39 - $15.39
    $15.39

    AJC Battery Compatible with Panasonic LC-P067R2P LCP067R2P 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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    $15.39 - $15.39
    $15.39
    $15.39 - $15.39
    $15.39
  • Panamax BATT1500-EXT 12V 9Ah UPS Replacement Battery
    $32.19 - $32.19
    $32.19
    $32.19 - $32.19
    $32.19

    AJC Battery Compatible with Panamax BATT1500-EXT 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...

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    $32.19 - $32.19
    $32.19
    $32.19 - $32.19
    $32.19
  • OPTI-UPS Thunder Shield Series TS1700 TS1700B 12V 8Ah UPS Replacement Battery
    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19

    AJC Battery Compatible with OPTI-UPS Thunder Shield Series TS1700 TS1700B 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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    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19
  • OPTI-UPS Thunder Shield Series TS1250 TS1250B 12V 8Ah UPS Replacement Battery
    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19

    AJC Battery Compatible with OPTI-UPS Thunder Shield Series TS1250 TS1250B 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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    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19
  • OPTI-UPS TS1700B 12V 7Ah UPS Replacement Battery
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99

    AJC Battery Compatible with OPTI-UPS TS1700B 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...

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    $23.99 - $32.19
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99
  • OPTI-UPS VS375C 12V 3.2Ah UPS Replacement Battery
    $18.89 - $18.89
    $18.89
    $18.89 - $18.89
    $18.89

    AJC Battery Compatible with OPTI-UPS VS375C 12V 3.2Ah 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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    $18.89 - $18.89
    $18.89
    $18.89 - $18.89
    $18.89
  • Opti Enhanced RBAT-92 12V 8Ah UPS Replacement Battery
    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19

    AJC Battery Compatible with Opti Enhanced RBAT-92 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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    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19
  • Opti DS3000B-RM 12V 7Ah UPS Replacement Battery
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99

    AJC Battery Compatible with OPTI-UPS DS3000B-RM 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...

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    $23.99 - $32.19
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99
  • ONEAC ONe404AG-SE ONe404IG-SE 12V 9Ah UPS Replacement Battery
    $32.19 - $32.19
    $32.19
    $32.19 - $32.19
    $32.19

    AJC Battery Compatible with ONEAC ONe404AG-SE ONe404IG-SE 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...

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    $32.19 - $32.19
    $32.19
    $32.19 - $32.19
    $32.19
  • ONEAC 12V 9Ah UPS Replacement Battery
    $32.19 - $32.19
    $32.19
    $32.19 - $32.19
    $32.19

    AJC Battery Compatible with ONEAC All 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...

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    $32.19 - $32.19
    $32.19
    $32.19 - $32.19
    $32.19
  • ONEAC ONEBP107 12V 8Ah UPS Replacement Battery
    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19

    AJC Battery Compatible with ONEAC ONEBP107 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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    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19
  • ONEAC ONE254AG-SE 12V 7Ah UPS Replacement Battery
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99

    AJC Battery Compatible with ONEAC ONE254AG-SE 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...

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    $23.99 - $32.19
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99
  • ONEAC ONEPLUS-250 12V 7Ah UPS Replacement Battery
    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99

    AJC Battery Compatible with ONEAC ONEPLUS-250 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...

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    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99
  • ONEAC 900 12V 7Ah UPS Replacement Battery
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99

    AJC Battery Compatible with ONEAC 900 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...

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    $23.99 - $32.19
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99
  • ONEAC 600 12V 7Ah UPS Replacement Battery
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99

    AJC Battery Compatible with ONEAC 600 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
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99
  • ONEAC Sinergy SE II SE061 SE061XAT 12V 7Ah UPS Replacement Battery
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99

    AJC Battery Compatible with ONEAC Sinergy SE II SE061 SE061XAT 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...

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    $23.99 - $32.19
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99
  • ONEAC ON2000XAU-SN ON2000XAU-TN 12V 5Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    AJC Battery Compatible with ONEAC ON2000XAU-SN ON2000XAU-TN 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
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • ONEAC ON1000XAU-SN 12V 5Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    AJC Battery Compatible with ONEAC ON1000XAU-SN 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
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • ONEAC ON400A-SN 6V 4.5Ah UPS Replacement Battery
    $10.29 - $12.19
    $10.29 - $12.19
    $10.29 - $12.19
    $10.29

    AJC Battery Compatible with ONEAC ON400A-SN 6V 4.5Ah 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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    $10.29 - $12.19
    $10.29 - $12.19
    $10.29 - $12.19
    $10.29
  • MK ES9-12 12V 9Ah UPS Replacement Battery
    $32.19 - $32.19
    $32.19
    $32.19 - $32.19
    $32.19

    AJC Battery Compatible with MK ES9-12 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...

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    $32.19 - $32.19
    $32.19
    $32.19 - $32.19
    $32.19
  • MK M22SLDA 12V 55Ah UPS Replacement Battery
    $191.89 - $191.89
    $191.89
    $191.89 - $191.89
    $191.89

    AJC Battery Compatible with MK M22SLDA 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...

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    $191.89 - $191.89
    $191.89
    $191.89 - $191.89
    $191.89
  • MK MU-1 SLD A 12V 35Ah UPS Replacement Battery
    $109.29 - $109.29
    $109.29
    $109.29 - $109.29
    $109.29

    AJC Battery Compatible with MK MU-1 SLD A 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...

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    $109.29 - $109.29
    $109.29
    $109.29 - $109.29
    $109.29
  • Mitsubishi 7011A-10 12V 5Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    AJC Battery Compatible with Mitsubishi 7011A-10 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...

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    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • Minuteman Endeavor ED1500RM2U 12V 9Ah UPS Replacement Battery
    $32.19 - $32.19
    $32.19
    $32.19 - $32.19
    $32.19

    AJC Battery Compatible with Minuteman Endeavor ED1500RM2U 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
    $32.19 - $32.19
    $32.19
    $32.19 - $32.19
    $32.19