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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!

  • AJC Battery Brand Replacement for a SLAA12-12F2 12V 12Ah UPS Replacement Battery
    $38.69 - $38.69
    $38.69
    $38.69 - $38.69
    $38.69

    AJC Battery Brand Replacement for Werker SLAA12-12F2 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
    $38.69 - $38.69
    $38.69
    $38.69 - $38.69
    $38.69
  • AJC Battery Brand Replacement for a WKA12-12F2 12V 12Ah UPS Replacement Battery
    $38.69 - $38.69
    $38.69
    $38.69 - $38.69
    $38.69

    AJC Battery Brand Replacement for Werker WKA12-12F2 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
    $38.69 - $38.69
    $38.69
    $38.69 - $38.69
    $38.69
  • AJC Battery Brand Replacement for a WKA12-9F2 12V 9Ah UPS Replacement Battery
    $32.19 - $32.19
    $32.19
    $32.19 - $32.19
    $32.19

    AJC Battery Brand Replacement for Werker WKA12-9F2 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
  • AJC Battery Brand Replacement for a WKA12-7.5F2 12V 8Ah UPS Replacement Battery
    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19

    AJC Battery Brand Replacement for Werker WKA12-7.5F2 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
    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19
  • AJC Battery Brand Replacement for a WKDC12-55P 12V 55Ah UPS Replacement Battery
    $191.89 - $191.89
    $191.89
    $191.89 - $191.89
    $191.89

    AJC Battery Brand Replacement for Werker WKDC12-55P 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
    $191.89 - $191.89
    $191.89
    $191.89 - $191.89
    $191.89
  • AJC Battery Brand Replacement for a SLAA12-33J 12V 35Ah UPS Replacement Battery
    $109.29 - $109.29
    $109.29
    $109.29 - $109.29
    $109.29

    AJC Battery Brand Replacement for Werker SLAA12-33J 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
    $109.29 - $109.29
    $109.29
    $109.29 - $109.29
    $109.29
  • AJC Battery Brand Replacement for a WKA6-7.2F 6V 7Ah UPS Replacement Battery
    $15.39 - $15.39
    $15.39
    $15.39 - $15.39
    $15.39

    AJC Battery Brand Replacement for Werker WKA6-7.2F 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
    $15.39 - $15.39
    $15.39
    $15.39 - $15.39
    $15.39
  • AJC Battery Brand Replacement for a SLAA12-22NB 12V 22Ah UPS Replacement Battery
    $65.49 - $65.49
    $65.49
    $65.49 - $65.49
    $65.49

    AJC Battery Brand Replacement for Werker SLAA12-22NB 12V 22Ah 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
    $65.49 - $65.49
    $65.49
    $65.49 - $65.49
    $65.49
  • AJC Battery Brand Replacement for a WKA12-55C 12V 55Ah UPS Replacement Battery
    $191.89 - $191.89
    $191.89
    $191.89 - $191.89
    $191.89

    AJC Battery Brand Replacement for Werker WKA12-55C 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
    $191.89 - $191.89
    $191.89
    $191.89 - $191.89
    $191.89
  • AJC Battery Brand Replacement for a WKA12-33J 12V 35Ah UPS Replacement Battery
    $109.29 - $109.29
    $109.29
    $109.29 - $109.29
    $109.29

    AJC Battery Brand Replacement for Werker WKA12-33J 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
    $109.29 - $109.29
    $109.29
    $109.29 - $109.29
    $109.29
  • AJC Battery Brand Replacement for a WKDC12-100P 12V 100Ah UPS Replacement Battery
    $286.99 - $286.99
    $286.99
    $286.99 - $286.99
    $286.99

    AJC Battery Brand Replacement for Werker WKDC12-100P 12V 100Ah 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
    $286.99 - $286.99
    $286.99
    $286.99 - $286.99
    $286.99
  • AJC Battery Brand Replacement for a WKA6-12F2 6V 12Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    AJC Battery Brand Replacement for Werker WKA6-12F2 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
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • AJC Battery Brand Replacement for a WKA12-22NB 12V 22Ah UPS Replacement Battery
    $65.49 - $65.49
    $65.49
    $65.49 - $65.49
    $65.49

    AJC Battery Brand Replacement for Werker WKA12-22NB 12V 22Ah 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
    $65.49 - $65.49
    $65.49
    $65.49 - $65.49
    $65.49
  • AJC Battery Brand Replacement for a WKA12-22F2 12V 22Ah UPS Replacement Battery
    $65.49 - $65.49
    $65.49
    $65.49 - $65.49
    $65.49

    AJC Battery Brand Replacement for Werker WKA12-22F2 12V 22Ah 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
    $65.49 - $65.49
    $65.49
    $65.49 - $65.49
    $65.49
  • AJC Battery Brand Replacement for a SLAA12-22F2 12V 22Ah UPS Replacement Battery
    $65.49 - $65.49
    $65.49
    $65.49 - $65.49
    $65.49

    AJC Battery Brand Replacement for Werker SLAA12-22F2 12V 22Ah 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
    $65.49 - $65.49
    $65.49
    $65.49 - $65.49
    $65.49
  • AJC Battery Brand Replacement for a SLAA12-7.5F2 12V 8Ah UPS Replacement Battery
    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19

    AJC Battery Brand Replacement for Werker SLAA12-7.5F2 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
    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19
  • AJC Battery Brand Replacement for a WKA12-80J 12V 75Ah UPS Replacement Battery
    $243.69 - $243.69
    $243.69
    $243.69 - $243.69
    $243.69

    AJC Battery Brand Replacement for Werker WKA12-80J 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
    $243.69 - $243.69
    $243.69
    $243.69 - $243.69
    $243.69
  • AJC Battery Brand Replacement for a WKA12-80C 12V 75Ah UPS Replacement Battery
    $243.69 - $243.69
    $243.69
    $243.69 - $243.69
    $243.69

    AJC Battery Brand Replacement for Werker WKA12-80C 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
    $243.69 - $243.69
    $243.69
    $243.69 - $243.69
    $243.69
  • AJC Battery Brand Replacement for a WKHR12-80C 12V 75Ah UPS Replacement Battery
    $243.69 - $243.69
    $243.69
    $243.69 - $243.69
    $243.69

    AJC Battery Brand Replacement for Werker WKHR12-80C 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
    $243.69 - $243.69
    $243.69
    $243.69 - $243.69
    $243.69
  • AJC Battery Brand Replacement for a WKDC12-80P 12V 75Ah UPS Replacement Battery
    $243.69 - $243.69
    $243.69
    $243.69 - $243.69
    $243.69

    AJC Battery Brand Replacement for Werker WKDC12-80P 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
    $243.69 - $243.69
    $243.69
    $243.69 - $243.69
    $243.69
  • AJC Battery Brand Replacement for a WKHR12-55C 12V 55Ah UPS Replacement Battery
    $191.89 - $191.89
    $191.89
    $191.89 - $191.89
    $191.89

    AJC Battery Brand Replacement for Werker WKHR12-55C 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
    $191.89 - $191.89
    $191.89
    $191.89 - $191.89
    $191.89
  • AJC Battery Brand Replacement for a SLAA12-55C 12V 55Ah UPS Replacement Battery
    $191.89 - $191.89
    $191.89
    $191.89 - $191.89
    $191.89

    AJC Battery Brand Replacement for Werker SLAA12-55C 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
    $191.89 - $191.89
    $191.89
    $191.89 - $191.89
    $191.89
  • AJC Battery Brand Replacement for a WKA12-33C 12V 35Ah UPS Replacement Battery
    $109.29 - $109.29
    $109.29
    $109.29 - $109.29
    $109.29

    AJC Battery Brand Replacement for Werker WKA12-33C 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
    $109.29 - $109.29
    $109.29
    $109.29 - $109.29
    $109.29
  • AJC Battery Brand Replacement for a WKHR12-33C 12V 35Ah UPS Replacement Battery
    $109.29 - $109.29
    $109.29
    $109.29 - $109.29
    $109.29

    AJC Battery Brand Replacement for Werker WKHR12-33C 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
    $109.29 - $109.29
    $109.29
    $109.29 - $109.29
    $109.29