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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 $196.99 - Original price $196.99Original price$196.99$196.99 - $196.99Current price $196.99AJC Battery Compatible with Best Power Ferrups FD5.3KVA FD 5.3KVA 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 $196.99 - Original price $196.99Original price$196.99$196.99 - $196.99Current price $196.99 -
Original price $196.99 - Original price $196.99Original price$196.99$196.99 - $196.99Current price $196.99AJC Battery Compatible with Best Power Ferrups FC10KVA FC 10KVA 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 $196.99 - Original price $196.99Original price$196.99$196.99 - $196.99Current price $196.99 -
Original price $19.39 - Original price $27.49Original price$19.39 - $27.49$19.39 - $27.49Current price $19.39AJC Battery Compatible with Best Power FERRUPS Blackout Buster 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 $19.39 - Original price $27.49Original price$19.39 - $27.49$19.39 - $27.49Current price $19.39 -
Original price $101.49 - Original price $101.49Original price$101.49$101.49 - $101.49Current price $101.49AJC Battery Compatible with Best Power Ferr ME3.1KVA 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 $101.49 - Original price $101.49Original price$101.49$101.49 - $101.49Current price $101.49 -
Original price $101.49 - Original price $101.49Original price$101.49$101.49 - $101.49Current price $101.49AJC Battery Compatible with Best Power Ferr FE10KVA 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 $101.49 - Original price $101.49Original price$101.49$101.49 - $101.49Current price $101.49 -
Original price $101.49 - Original price $101.49Original price$101.49$101.49 - $101.49Current price $101.49AJC Battery Compatible with Best Power FER-3.1K 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 $101.49 - Original price $101.49Original price$101.49$101.49 - $101.49Current price $101.49 -
Original price $196.99 - Original price $196.99Original price$196.99$196.99 - $196.99Current price $196.99AJC Battery Compatible with Best Power FE 5.3KVA BAT-0103 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 $196.99 - Original price $196.99Original price$196.99$196.99 - $196.99Current price $196.99 -
Original price $53.29 - Original price $59.49Original price$53.29 - $59.49$53.29 - $59.49Current price $53.29AJC Battery Compatible with Best Power FE 2.1KVA BAT-0058 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 $53.29 - Original price $59.49Original price$53.29 - $59.49$53.29 - $59.49Current price $53.29 -
Original price $101.49 - Original price $101.49Original price$101.49$101.49 - $101.49Current price $101.49AJC Battery Compatible with Best Power FE 4.3KVA BAT-0065 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 $101.49 - Original price $101.49Original price$101.49$101.49 - $101.49Current price $101.49 -
Original price $196.99 - Original price $196.99Original price$196.99$196.99 - $196.99Current price $196.99AJC Battery Compatible with Best Power FE 1.4KVA BAT-103 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 $196.99 - Original price $196.99Original price$196.99$196.99 - $196.99Current price $196.99 -
Original price $196.99 - Original price $196.99Original price$196.99$196.99 - $196.99Current price $196.99AJC Battery Compatible with Best Power FE 12.5KVA BAT-103 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 $196.99 - Original price $196.99Original price$196.99$196.99 - $196.99Current price $196.99 -
Original price $196.99 - Original price $196.99Original price$196.99$196.99 - $196.99Current price $196.99AJC Battery Compatible with Best Power FE 1.15KVA BAT-103 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 $196.99 - Original price $196.99Original price$196.99$196.99 - $196.99Current price $196.99 -
Original price $196.99 - Original price $196.99Original price$196.99$196.99 - $196.99Current price $196.99AJC Battery Compatible with Best Power FE 1.15KVA 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 $196.99 - Original price $196.99Original price$196.99$196.99 - $196.99Current price $196.99 -
Original price $101.49 - Original price $101.49Original price$101.49$101.49 - $101.49Current price $101.49AJC Battery Compatible with Best Power FE 10KVA 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 $101.49 - Original price $101.49Original price$101.49$101.49 - $101.49Current price $101.49 -
Original price $196.99 - Original price $196.99Original price$196.99$196.99 - $196.99Current price $196.99AJC Battery Compatible with Best Power FD 5.3 kVA 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 $196.99 - Original price $196.99Original price$196.99$196.99 - $196.99Current price $196.99 -
Original price $196.99 - Original price $196.99Original price$196.99$196.99 - $196.99Current price $196.99AJC Battery Compatible with Best Power FC 5KVA BAT-0103 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 $196.99 - Original price $196.99Original price$196.99$196.99 - $196.99Current price $196.99 -
Original price $196.99 - Original price $196.99Original price$196.99$196.99 - $196.99Current price $196.99AJC Battery Compatible with Best Power FC 15KVA BAT-0103 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 $196.99 - Original price $196.99Original price$196.99$196.99 - $196.99Current price $196.99 -
Original price $19.39 - Original price $27.49Original price$19.39 - $27.49$19.39 - $27.49Current price $19.39AJC Battery Compatible with Best Power Blackout Buster B6U-2 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 $19.39 - Original price $27.49Original price$19.39 - $27.49$19.39 - $27.49Current price $19.39 -
Original price $27.49 - Original price $27.49Original price$27.49$27.49 - $27.49Current price $27.49AJC Battery Compatible with Best Power BAT 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 $27.49 - Original price $27.49Original price$27.49$27.49 - $27.49Current price $27.49 -
Original price $19.39 - Original price $19.39Original price$19.39$19.39 - $19.39Current price $19.39AJC Battery Compatible with Best Power BAT-0370 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 $19.39 - Original price $19.39Original price$19.39$19.39 - $19.39Current price $19.39 -
Original price $101.49 - Original price $101.49Original price$101.49$101.49 - $101.49Current price $101.49AJC Battery Compatible with Best Power BAT 0065 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 $101.49 - Original price $101.49Original price$101.49$101.49 - $101.49Current price $101.49 -
Original price $53.29 - Original price $59.49Original price$53.29 - $59.49$53.29 - $59.49Current price $53.29AJC Battery Compatible with Best Power BAT0058 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 $53.29 - Original price $59.49Original price$53.29 - $59.49$53.29 - $59.49Current price $53.29 -
Original price $101.49 - Original price $101.49Original price$101.49$101.49 - $101.49Current price $101.49AJC Battery Compatible with Best Power BAT 0053 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 $101.49 - Original price $101.49Original price$101.49$101.49 - $101.49Current price $101.49 -
Original price $19.39 - Original price $27.49Original price$19.39 - $27.49$19.39 - $27.49Current price $19.39AJC Battery Compatible with Best Power Axxium 1000 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 $19.39 - Original price $27.49Original price$19.39 - $27.49$19.39 - $27.49Current price $19.39
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.