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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 $8.19 - Original price $9.99Original price$8.19 - $9.99$8.19 - $9.99Current price $8.19AJC Battery Compatible with Portalac PE6V4.5 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 $17.49 - Original price $18.49Original price$17.49 - $18.49$17.49 - $18.49Current price $17.49AJC Battery Compatible with Portalac PE12V4.5 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 $18.49 - Original price $18.49Original price$18.49$18.49 - $18.49Current price $18.49AJC Battery Compatible with Portalac PXL12050 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 $18.49 - Original price $18.49Original price$18.49$18.49 - $18.49Current price $18.49AJC Battery Compatible with Portalac PX12050 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 $276.89 - Original price $276.89Original price$276.89$276.89 - $276.89Current price $276.89UPG Battery Compatible with GS Portalac TEV12500, TEV 12500 12V 50Ah UPS Battery
This is an UPG® Brand replacement compatible with GS Portalac UPS Batteries Terminal: L2 Volts: 12V (12 Volt) Ah: 50Ah (50000mAh) 12v 50a UPS B...
View full detailsOriginal price $276.89 - Original price $276.89Original price$276.89$276.89 - $276.89Current price $276.89 -
Original price $17.49 - Original price $18.49Original price$17.49 - $18.49$17.49 - $18.49Current price $17.49AJC Battery Compatible with Portalac PE4-12R 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 $18.99 - Original price $27.19Original price$18.99 - $27.19$18.99 - $27.19Current price $18.99AJC Battery Compatible with Portalac PE12V7.2F1 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 Portalac PX12090 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 Compatible with Portalac PE6V7.2 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 $76.99 - Original price $76.99Original price$76.99$76.99 - $76.99Current price $76.99AJC Battery Compatible with Portalac TEV12260 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 $27.19 - Original price $27.19Original price$27.19$27.19 - $27.19Current price $27.19AJC Battery Compatible with Portalac PE12V9 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 $18.49 - Original price $18.49Original price$18.49$18.49 - $18.49Current price $18.49AJC Battery Compatible with Portalac PX12050SHR 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 $18.49 - Original price $18.49Original price$18.49$18.49 - $18.49Current price $18.49AJC Battery Compatible with Portalac PE4-12R 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 $22.99 - Original price $22.99Original price$22.99$22.99 - $22.99Current price $22.99AJC Battery Compatible with Portalac PE12V7.2 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 $7.99 - Original price $7.99Original price$7.99$7.99 - $7.99Current price $7.99AJC Battery Compatible with Portalac PE12V1 2 12V 1.3Ah 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 $7.99 - Original price $7.99Original price$7.99$7.99 - $7.99Current price $7.99 -
Original price $53.39 - Original price $58.99Original price$53.39 - $58.99$53.39 - $58.99Current price $53.39AJC Battery Compatible with Portalac PE12V18 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 $53.39 - Original price $58.99Original price$53.39 - $58.99$53.39 - $58.99Current price $53.39AJC Battery Compatible with Portalac PE12V17 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 $58.99 - Original price $58.99Original price$58.99$58.99 - $58.99Current price $58.99AJC Battery Compatible with Portalac PX12220 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 $38.29 - Original price $38.29Original price$38.29$38.29 - $38.29Current price $38.29UPG Battery Compatible with Portalac PE12V0.8 12V 0.8Ah UPS Battery
This is an UPG® Brand replacement compatible with Portalac UPS Batteries Terminal: WL Volts: 12V (12 Volt) Ah: 0.8Ah (800mAh) Replacement Batt...
View full detailsOriginal price $38.29 - Original price $38.29Original price$38.29$38.29 - $38.29Current price $38.29 -
Original price $17.49 - Original price $18.49Original price$17.49 - $18.49$17.49 - $18.49Current price $17.49AJC Battery Compatible with Portalac PX12050 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 $5.69 - Original price $5.69Original price$5.69$5.69 - $5.69Current price $5.69AJC Battery Compatible with Portalac PE6V1.2 6V 1.3Ah 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 $5.69 - Original price $5.69Original price$5.69$5.69 - $5.69Current price $5.69 -
Original price $8.19 - Original price $9.99Original price$8.19 - $9.99$8.19 - $9.99Current price $8.19AJC Battery Compatible with Portalac PE6-4 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 $53.39 - Original price $58.99Original price$53.39 - $58.99$53.39 - $58.99Current price $53.39AJC Battery Compatible with Portalac PE12V17 Nut and Bolt 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 $53.39 - Original price $58.99Original price$53.39 - $58.99$53.39 - $58.99Current price $53.39AJC Battery Compatible with Portalac PX12170 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
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.