FREE SHIPPING -
Orders over $99
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
-
Original price $27.19 - Original price $27.19Original price$27.19$27.19 - $27.19Current price $27.19AJC Battery Compatible with SigmasTek SP12-9HR 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 $22.99 - Original price $22.99Original price$22.99$22.99 - $22.99Current price $22.99AJC Battery Compatible with SigmasTek SP12-7.5HR 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 $18.49 - Original price $18.49Original price$18.49$18.49 - $18.49Current price $18.49AJC Battery Compatible with SigmasTek SP12-5.5HR 12V 5Ah 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 $18.49 - Original price $18.49Original price$18.49$18.49 - $18.49Current price $18.49 -
Original price $41.89 - Original price $46.59Original price$41.89 - $46.59$41.89 - $46.59Current price $41.89AJC Battery Compatible with SigmasTek SP12-12HR 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 $11.79 - Original price $11.79Original price$11.79$11.79 - $11.79Current price $11.79AJC Battery Compatible with SigmasTek SP6-7 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 $147.19 - Original price $147.19Original price$147.19$147.19 - $147.19Current price $147.19AJC Battery Compatible with SigmasTek SP12-55 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 Compatible with SigmasTek SP12-35 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 $12.19 - Original price $12.19Original price$12.19$12.19 - $12.19Current price $12.19AJC Battery Compatible with SigmasTek SP12-3.5 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 $53.39 - Original price $58.99Original price$53.39 - $58.99$53.39 - $58.99Current price $53.39AJC Battery Compatible with SigmasTek SP12-18HR 12V 18Ah 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 $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 Compatible with SigmasTek SPX12-350FR 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 $22.99 - Original price $22.99Original price$22.99$22.99 - $22.99Current price $22.99AJC Battery Compatible with SigmasTek SPX12-500FR 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 $22.99 - Original price $22.99Original price$22.99$22.99 - $22.99Current price $22.99AJC Battery Compatible with SigmasTek SP12-7HR 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 $19.79 - Original price $19.79Original price$19.79$19.79 - $19.79Current price $19.79AJC Battery Compatible with SigmasTek SP6-12HR 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 $17.49 - Original price $18.49Original price$17.49 - $18.49$17.49 - $18.49Current price $17.49AJC Battery Compatible with SigmasTek SP12-5.5HR 12V 4.5Ah 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 $17.49 - Original price $18.49Original price$17.49 - $18.49$17.49 - $18.49Current price $17.49 -
Original price $76.99 - Original price $76.99Original price$76.99$76.99 - $76.99Current price $76.99AJC Battery Compatible with SigmasTek SP12-26 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 $211.49 - Original price $211.49Original price$211.49$211.49 - $211.49Current price $211.49AJC Battery Compatible with SigmasTek SP12-100 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 $35.39 - Original price $46.59Original price$35.39 - $46.59$35.39 - $46.59Current price $35.39AJC Battery Compatible with SigmasTek SP12-12HR 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
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.