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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 $18.99 - Original price $27.19Original price$18.99 - $27.19$18.99 - $27.19Current price $18.99AJC Battery Compatible with OPTI-UPS Durable Series DS6KBT DS8KBT 12V 7Ah 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 $18.99 - Original price $27.19Original price$18.99 - $27.19$18.99 - $27.19Current price $18.99 -
Original price $22.99 - Original price $22.99Original price$22.99$22.99 - $22.99Current price $22.99AJC Battery Compatible with OPTI-UPS Durable Series DS8KB31 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 OPTI-UPS Durable Series DS2000E 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 OPTI-UPS DS1500B DS1500B-RM RBAT-93 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 $18.99 - Original price $27.19Original price$18.99 - $27.19$18.99 - $27.19Current price $18.99AJC Battery Compatible with OPTI-UPS DS1500B DS1500B-RM RBAT-93 12V 7Ah 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 $18.99 - Original price $27.19Original price$18.99 - $27.19$18.99 - $27.19Current price $18.99 -
Original price $18.99 - Original price $27.19Original price$18.99 - $27.19$18.99 - $27.19Current price $18.99AJC Battery Compatible with OPTI-UPS Durable Series DS2000B-RM 12V 7Ah 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 $18.99 - Original price $27.19Original price$18.99 - $27.19$18.99 - $27.19Current price $18.99 -
Original price $27.19 - Original price $27.19Original price$27.19$27.19 - $27.19Current price $27.19AJC Battery Compatible with OPTI-UPS Durable Series DS10KBT 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 OPTI-UPS Durable Series DS1000B-RM 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 $18.99 - Original price $27.19Original price$18.99 - $27.19$18.99 - $27.19Current price $18.99AJC Battery Compatible with OPTI-UPS Durable DS1000B 12V 7Ah 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 $18.99 - Original price $27.19Original price$18.99 - $27.19$18.99 - $27.19Current price $18.99 -
Original price $18.99 - Original price $27.19Original price$18.99 - $27.19$18.99 - $27.19Current price $18.99AJC Battery Compatible with OPTI-UPS DS1000B-RM 12V 7Ah 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 $18.99 - Original price $27.19Original price$18.99 - $27.19$18.99 - $27.19Current price $18.99 -
Original price $8.19 - Original price $9.99Original price$8.19 - $9.99$8.19 - $9.99Current price $8.19AJC Battery Compatible with OPTI-UPS CS530B 6V 4.5Ah 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 $8.19 - Original price $9.99Original price$8.19 - $9.99$8.19 - $9.99Current price $8.19 -
Original price $18.99 - Original price $27.19Original price$18.99 - $27.19$18.99 - $27.19Current price $18.99AJC Battery Compatible with OPTI-UPS Active Series AS2000B-S AS2000C-S 12V 7Ah 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 $18.99 - Original price $27.19Original price$18.99 - $27.19$18.99 - $27.19Current price $18.99 -
Original price $41.89 - Original price $46.59Original price$41.89 - $46.59$41.89 - $46.59Current price $41.89AJC Battery Compatible with OPTI-UPS 825 BT 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 $35.39 - Original price $46.59Original price$35.39 - $46.59$35.39 - $46.59Current price $35.39AJC Battery Compatible with OPTI-UPS 825 BT 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 $22.99 - Original price $22.99Original price$22.99$22.99 - $22.99Current price $22.99AJC Battery Compatible with OPTI-UPS 500VS 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 $18.99 - Original price $27.19Original price$18.99 - $27.19$18.99 - $27.19Current price $18.99AJC Battery Compatible with OPTI-UPS 600 12V 7Ah 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 $18.99 - Original price $27.19Original price$18.99 - $27.19$18.99 - $27.19Current price $18.99 -
Original price $22.99 - Original price $22.99Original price$22.99$22.99 - $22.99Current price $22.99AJC Battery Compatible with OPTI-UPS 280ES 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 OPTI-UPS 2000 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 $18.99 - Original price $27.19Original price$18.99 - $27.19$18.99 - $27.19Current price $18.99AJC Battery Compatible with OPTI-UPS 2000 12V 7Ah 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 $18.99 - Original price $27.19Original price$18.99 - $27.19$18.99 - $27.19Current price $18.99 -
Original price $22.99 - Original price $22.99Original price$22.99$22.99 - $22.99Current price $22.99AJC Battery Compatible with OPTI-UPS 1440 OPS 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 $18.99 - Original price $27.19Original price$18.99 - $27.19$18.99 - $27.19Current price $18.99AJC Battery Compatible with OPTI-UPS 280E ES 12V 7Ah 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 $18.99 - Original price $27.19Original price$18.99 - $27.19$18.99 - $27.19Current price $18.99 -
Original price $18.99 - Original price $27.19Original price$18.99 - $27.19$18.99 - $27.19Current price $18.99AJC Battery Compatible with OPTI-UPS 1300 12V 7Ah 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 $18.99 - Original price $27.19Original price$18.99 - $27.19$18.99 - $27.19Current price $18.99 -
Original price $41.89 - Original price $46.59Original price$41.89 - $46.59$41.89 - $46.59Current price $41.89AJC Battery Compatible with OPTI-UPS 1100PS 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 $41.89 - Original price $46.59Original price$41.89 - $46.59$41.89 - $46.59Current price $41.89AJC Battery Compatible with OPTI-UPS 1000ES 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
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.