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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 $41.89 - Original price $46.59Original price$41.89 - $46.59$41.89 - $46.59Current price $41.89AJC Battery Compatible with Fiamm FG21202 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 $76.99 - Original price $76.99Original price$76.99$76.99 - $76.99Current price $76.99AJC Battery Compatible with Fiamm FG22703 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 $35.39 - Original price $46.59Original price$35.39 - $46.59$35.39 - $46.59Current price $35.39AJC Battery Compatible with Fiamm 12 FLX 350 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 $53.39 - Original price $58.99Original price$53.39 - $58.99$53.39 - $58.99Current price $53.39AJC Battery Compatible with Fiamm FG21803 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 Fiamm FG21202 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 $58.99 - Original price $58.99Original price$58.99$58.99 - $58.99Current price $58.99AJC Battery Compatible with Fiamm FGC22203 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 $58.99 - Original price $58.99Original price$58.99$58.99 - $58.99Current price $58.99AJC Battery Compatible with Fiamm FG22203 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 $35.39 - Original price $46.59Original price$35.39 - $46.59$35.39 - $46.59Current price $35.39AJC Battery Compatible with Fiamm 12 FLX 500 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 $101.59 - Original price $101.59Original price$101.59$101.59 - $101.59Current price $101.59AJC Battery Compatible with Fiamm FLX300 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 Compatible with Fiamm FLX500 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 $276.89 - Original price $276.89Original price$276.89$276.89 - $276.89Current price $276.89UPG Battery Compatible with Fiamm FGC24204, FGC 24204 12V 50Ah UPS Battery
This is an UPG® Brand replacement compatible with Fiamm UPS Batteries Terminal: L2 Volts: 12V (12 Volt) Ah: 50Ah (50000mAh) 12v 50a UB12500 rep...
View full detailsOriginal price $276.89 - Original price $276.89Original price$276.89$276.89 - $276.89Current price $276.89 -
Original price $443.29 - Original price $443.29Original price$443.29$443.29 - $443.29Current price $443.29UPG Battery Compatible with Fiamm 12 FLB 450, 12FLB450 12V 110Ah UPS Battery
This is an UPG® Brand replacement compatible with Fiamm UPS Batteries Terminal: Internal Threaded Post Volts: 12V (12 Volt) Ah: 110Ah (110000mAh...
View full detailsOriginal price $443.29 - Original price $443.29Original price$443.29$443.29 - $443.29Current price $443.29 -
Original price $101.59 - Original price $101.59Original price$101.59$101.59 - $101.59Current price $101.59AJC Battery Compatible with Fiamm FGC23505 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 $53.39 - Original price $58.99Original price$53.39 - $58.99$53.39 - $58.99Current price $53.39AJC Battery Compatible with Fiamm FGC21803 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 $41.89 - Original price $46.59Original price$41.89 - $46.59$41.89 - $46.59Current price $41.89AJC Battery Compatible with Fiamm FGC21202 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 Fiamm FGC21202 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 $174.79 - Original price $174.79Original price$174.79$174.79 - $174.79Current price $174.79AJC Battery Compatible with Fiamm FG28009 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 Compatible with Fiamm FG25507 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 $22.99 - Original price $22.99Original price$22.99$22.99 - $22.99Current price $22.99AJC Battery Compatible with Fiamm FG20722 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 Fiamm FG11202 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 $11.79 - Original price $11.79Original price$11.79$11.79 - $11.79Current price $11.79AJC Battery Compatible with Fiamm FG10721 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 Compatible with Fiamm FG20341 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 $174.79 - Original price $174.79Original price$174.79$174.79 - $174.79Current price $174.79AJC Battery Compatible with Fiamm 12 FLB 300 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 Compatible with Fiamm 12 FLB 200 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
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.