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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
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Original price $27.19 - Original price $27.19Original price$27.19$27.19 - $27.19Current price $27.19AJC Battery Brand Replacement for Werker WKA12-9F2 12V 9Ah UPS Battery
In stockInformation 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...
View full detailsOriginal price $27.19 - Original price $27.19Original price$27.19$27.19 - $27.19Current price $27.19 -
Original price $11.79 - Original price $11.79Original price$11.79$11.79 - $11.79Current price $11.79AJC Battery Brand Replacement for Werker WKA6-7.2F 6V 7Ah UPS Battery
In stockInformation 6V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed ...
View full detailsOriginal price $11.79 - Original price $11.79Original price$11.79$11.79 - $11.79Current price $11.79 -
Original price $12.19 - Original price $12.19Original price$12.19$12.19 - $12.19Current price $12.19AJC Battery Brand Replacement for Werker WKA12-3.3F 12V 3.2Ah UPS Battery
In stockInformation 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...
View full detailsOriginal price $12.19 - Original price $12.19Original price$12.19$12.19 - $12.19Current price $12.19 -
Original price $41.89 - Original price $46.59Original price$41.89 - $46.59$41.89 - $46.59Current price $41.89AJC Battery Compatible with AJC Battery Brand Replacement for Werker WKA12-12F2 12V 12Ah UPS Battery
In stockInformation 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...
View full detailsOriginal price $41.89 - Original price $46.59Original price$41.89 - $46.59$41.89 - $46.59Current price $41.89 -
Original price $53.39 - Original price $58.99Original price$53.39 - $58.99$53.39 - $58.99Current price $53.39AJC Battery Compatible with AJC Battery Brand Replacement for Werker WKA12-18NB 12V 18Ah UPS Battery
In stockOriginal price $53.39 - Original price $58.99Original price$53.39 - $58.99$53.39 - $58.99Current price $53.39 -
Original price $19.79 - Original price $19.79Original price$19.79$19.79 - $19.79Current price $19.79AJC Battery Brand Replacement for Werker WKA6-12F2 6V 12Ah UPS Battery
In stockInformation 6V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed ...
View full detailsOriginal price $19.79 - Original price $19.79Original price$19.79$19.79 - $19.79Current price $19.79 -
Original price $22.99 - Original price $22.99Original price$22.99$22.99 - $22.99Current price $22.99AJC Battery Brand Replacement for Werker WKA12-7.5F2 12V 8Ah UPS Battery
In stockInformation 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...
View full detailsOriginal price $22.99 - Original price $22.99Original price$22.99$22.99 - $22.99Current price $22.99 -
Original price $76.99 - Original price $76.99Original price$76.99$76.99 - $76.99Current price $76.99AJC Battery Brand Replacement for Werker SLAA12-26NB 12V 26Ah UPS Battery
In stockInformation 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...
View full detailsOriginal price $76.99 - Original price $76.99Original price$76.99$76.99 - $76.99Current price $76.99 -
Original price $174.79 - Original price $174.79Original price$174.79$174.79 - $174.79Current price $174.79AJC Battery Brand Replacement for Werker WKDC12-80P 12V 75Ah UPS Battery
In stockInformation 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...
View full detailsOriginal price $174.79 - Original price $174.79Original price$174.79$174.79 - $174.79Current price $174.79 -
Original price $76.99 - Original price $76.99Original price$76.99$76.99 - $76.99Current price $76.99AJC Battery Brand Replacement for Werker WKA12-26NB 12V 26Ah UPS Battery
In stockInformation 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...
View full detailsOriginal price $76.99 - Original price $76.99Original price$76.99$76.99 - $76.99Current price $76.99 -
Original price $101.59 - Original price $101.59Original price$101.59$101.59 - $101.59Current price $101.59AJC Battery Brand Replacement for Werker WKDC12-33J 12V 35Ah UPS Battery
In stockInformation 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...
View full detailsOriginal price $101.59 - Original price $101.59Original price$101.59$101.59 - $101.59Current price $101.59 -
Original price $211.49 - Original price $211.49Original price$211.49$211.49 - $211.49Current price $211.49AJC Battery Brand Replacement for Werker WKDC12-100P 12V 100Ah UPS Battery
In stockInformation 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...
View full detailsOriginal price $211.49 - Original price $211.49Original price$211.49$211.49 - $211.49Current price $211.49 -
Original price $147.19 - Original price $147.19Original price$147.19$147.19 - $147.19Current price $147.19AJC Battery Brand Replacement for Werker WKA12-55C 12V 55Ah UPS Battery
In stockInformation 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...
View full detailsOriginal price $147.19 - Original price $147.19Original price$147.19$147.19 - $147.19Current price $147.19 -
Original price $53.39 - Original price $58.99Original price$53.39 - $58.99$53.39 - $58.99Current price $53.39AJC Battery Compatible with AJC Battery Brand Replacement for Werker WKA12-18F2 12V 18Ah UPS Battery
In stockOriginal price $53.39 - Original price $58.99Original price$53.39 - $58.99$53.39 - $58.99Current price $53.39 -
Original price $35.39 - Original price $46.59Original price$35.39 - $46.59$35.39 - $46.59Current price $35.39AJC Battery Compatible with AJC Battery Brand Replacement for Werker WKA12-12F2 12V 10Ah UPS Battery
In stockInformation 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...
View full detailsOriginal price $35.39 - Original price $46.59Original price$35.39 - $46.59$35.39 - $46.59Current price $35.39 -
Original price $41.89 - Original price $46.59Original price$41.89 - $46.59$41.89 - $46.59Current price $41.89AJC Battery Compatible with AJC Battery Brand Replacement for Werker SLAA12-12F2 12V 12Ah UPS Battery
In stockInformation 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...
View full detailsOriginal price $41.89 - Original price $46.59Original price$41.89 - $46.59$41.89 - $46.59Current price $41.89 -
Original price $53.39 - Original price $58.99Original price$53.39 - $58.99$53.39 - $58.99Current price $53.39AJC Battery Compatible with AJC Battery Brand Replacement for Werker SLAA12-18NB 12V 18Ah UPS Battery
In stockOriginal price $53.39 - Original price $58.99Original price$53.39 - $58.99$53.39 - $58.99Current price $53.39 -
Original price $22.99 - Original price $22.99Original price$22.99$22.99 - $22.99Current price $22.99AJC Battery Brand Replacement for Werker SLAA12-7.5F2 12V 8Ah UPS Battery
In stockInformation 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...
View full detailsOriginal price $22.99 - Original price $22.99Original price$22.99$22.99 - $22.99Current price $22.99 -
Original price $58.99 - Original price $58.99Original price$58.99$58.99 - $58.99Current price $58.99AJC Battery Brand Replacement for Werker SLAA12-22NB 12V 22Ah UPS Battery
In stockInformation 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...
View full detailsOriginal price $58.99 - Original price $58.99Original price$58.99$58.99 - $58.99Current price $58.99 -
Original price $174.79 - Original price $174.79Original price$174.79$174.79 - $174.79Current price $174.79AJC Battery Brand Replacement for Werker WKHR12-80C 12V 75Ah UPS Battery
In stockInformation 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...
View full detailsOriginal price $174.79 - Original price $174.79Original price$174.79$174.79 - $174.79Current price $174.79 -
Original price $147.19 - Original price $147.19Original price$147.19$147.19 - $147.19Current price $147.19AJC Battery Brand Replacement for Werker WKDC12-55P 12V 55Ah UPS Battery
In stockInformation 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...
View full detailsOriginal price $147.19 - Original price $147.19Original price$147.19$147.19 - $147.19Current price $147.19 -
Original price $147.19 - Original price $147.19Original price$147.19$147.19 - $147.19Current price $147.19AJC Battery Brand Replacement for Werker WKHR12-55C 12V 55Ah UPS Battery
In stockInformation 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...
View full detailsOriginal price $147.19 - Original price $147.19Original price$147.19$147.19 - $147.19Current price $147.19 -
Original price $101.59 - Original price $101.59Original price$101.59$101.59 - $101.59Current price $101.59AJC Battery Brand Replacement for Werker WKA12-33J 12V 35Ah UPS Battery
In stockInformation 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...
View full detailsOriginal price $101.59 - Original price $101.59Original price$101.59$101.59 - $101.59Current price $101.59 -
Original price $101.59 - Original price $101.59Original price$101.59$101.59 - $101.59Current price $101.59AJC Battery Brand Replacement for Werker WKA12-33C 12V 35Ah UPS Battery
In stockInformation 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...
View full detailsOriginal price $101.59 - Original price $101.59Original price$101.59$101.59 - $101.59Current price $101.59
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
View our guide for installing UPS replacement batteries to ensure you get the most out of your new AJC brand battery.