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UPS Batteries

BatteryClerk offers a selection of replacement batteries for UPS. Browse our current selection from leading brands like Enduring, Ritar, and Fiamm.
Best Power LI 520 12V 7.2Ah UPS Battery Sold out
£54.99
£18.29

Best Power LI 520 12V 7.2Ah UPS Replacement Battery

AJC® replacement compatible with Best Power LI 520 UPS Battery Exact replacement for the original battery Voltage: 12V (12 Volts) Capacity: 7Ah (7...

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£54.99
£18.29
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Best Power LI 12V 12Ah UPS Battery
£86.99
£28.99

Best Power LI 12V 12Ah UPS Replacement Battery

AJC® replacement compatible with Best Power LI UPS Battery Exact replacement for the original battery Voltage: 12V (12 Volts) Capacity: 12Ah (1200...

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£86.99
£28.99
Best Power LI 1050-3 12V 9Ah UPS Battery Sold out
£72.99
£24.19

Best Power LI 1050-3 12V 9Ah UPS Replacement Battery

AJC® replacement compatible with Best Power LI 1050-3 UPS Battery Exact replacement for the original battery Voltage: 12V (12 Volts) Capacity: 9Ah...

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£72.99
£24.19
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Best Power Micro-FERRUPS FE1.4KVA 12V 22Ah UPS Replacement Battery
£143.99
£57.69

Best Power Micro-FERRUPS FE1.4KVA 12V 22Ah UPS Replacement Battery

AJC® replacement compatible with Best Power Micro-FERRUPS FE1.4KVA UPS Battery Exact replacement for the original battery Voltage: 12V (12 Volts) ...

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£143.99
£57.69
Best Power LI1420VA B 12V 22Ah UPS Replacement Battery
£143.99
£57.69

Best Power LI1420VA B 12V 22Ah UPS Replacement Battery

AJC® replacement compatible with Best Power LI1420VA B UPS Battery Exact replacement for the original battery Voltage: 12V (12 Volts) Capacity: 18...

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£143.99
£57.69
Best Power Ferrups FE2.1KVA, FE 2.1KVA 12V 22Ah UPS Replacement Battery
£143.99
£57.69

Best Power Ferrups FE2.1KVA, FE 2.1KVA 12V 22Ah UPS Replacement Battery

AJC® replacement compatible with Best Power Ferrups FE2.1KVA UPS Battery Exact replacement for the original battery Voltage: 12V (12 Volts) Capaci...

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£143.99
£57.69
Best Power Ferrups FE1.8KVA FE 1.8KVA 12V 22Ah UPS Replacement Battery
£143.99
£57.69

Best Power Ferrups FE1.8KVA FE 1.8KVA 12V 22Ah UPS Replacement Battery

AJC® replacement compatible with Best Power Ferrups FE1.8KVA FE 1.8KVA UPS Battery Exact replacement for the original battery Voltage: 12V (12 Vol...

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£143.99
£57.69
Best Power FE 2.1KVA BAT-0058 12V 22Ah UPS Replacement Battery
£143.99
£57.69

Best Power FE 2.1KVA BAT-0058 12V 22Ah UPS Replacement Battery

AJC® replacement compatible with Best Power FE 2.1KVA BAT-0058 UPS Battery Exact replacement for the original battery Voltage: 12V (12 Volts) Capa...

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£143.99
£57.69
Best Power BAT0058 12V 22Ah UPS Replacement Battery
£143.99
£57.69

Best Power BAT0058 12V 22Ah UPS Replacement Battery

AJC® replacement compatible with Best Power BAT0058 UPS Battery Exact replacement for the original battery Voltage: 12V (12 Volts) Capacity: 18Ah ...

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£143.99
£57.69
Best Power Ferrups FES850VA, FES 850VA 12V 22Ah UPS Replacement Battery
£143.99
£57.69

Best Power Ferrups FES850VA, FES 850VA 12V 22Ah UPS Replacement Battery

AJC® replacement compatible with Best Power Ferrups FES850VA UPS Battery Exact replacement for the original battery Voltage: 12V (12 Volts) Capaci...

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£143.99
£57.69
Best Power Unity UT5K 12V 9Ah UPS Replacement Battery Sold out
£72.99
£24.19

Best Power Unity UT5K 12V 9Ah UPS Replacement Battery

AJC® replacement compatible with Best Power Unity UT5K UPS Battery Exact replacement for the original battery Voltage: 12V (12 Volts) Capacity: 9A...

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£72.99
£24.19
Sold out
Best Power Unity UT4K 12V 9Ah UPS Replacement Battery Sold out
£72.99
£24.19

Best Power Unity UT4K 12V 9Ah UPS Replacement Battery

AJC® replacement compatible with Best Power Unity UT4K UPS Battery Exact replacement for the original battery Voltage: 12V (12 Volts) Capacity: 9A...

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£72.99
£24.19
Sold out
Best Power Pro 1000 12V 75Ah UPS Replacement Battery Sold out
£457.99
£183.29

Best Power Pro 1000 12V 75Ah UPS Replacement Battery

AJC® replacement compatible with Best Power Pro 1000 UPS Battery Exact replacement for the original battery Voltage: 12V (12 Volts) Capacity: 75Ah...

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£457.99
£183.29
Sold out
Best Power Unity UT8K 12V 9Ah UPS Replacement Battery Sold out
£72.99
£24.19

Best Power Unity UT8K 12V 9Ah UPS Replacement Battery

AJC® replacement compatible with Best Power Unity UT8K UPS Battery Exact replacement for the original battery Voltage: 12V (12 Volts) Capacity: 9A...

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£72.99
£24.19
Sold out
Best Power Fortress Telecom 1800 12V 35Ah UPS Replacement Battery
£240.99
£96.29

Best Power Fortress Telecom 1800 12V 35Ah UPS Replacement Battery

AJC® replacement compatible with Best Power Fortress Telecom 1800 UPS Battery Exact replacement for the original battery Voltage: 12V (12 Volts) C...

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£240.99
£96.29
Best Power Fortress 1K 12V 35Ah UPS Replacement Battery
£240.99
£96.29

Best Power Fortress 1K 12V 35Ah UPS Replacement Battery

AJC® replacement compatible with Best Power Fortress 1K UPS Battery Exact replacement for the original battery Voltage: 12V (12 Volts) Capacity: 3...

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£240.99
£96.29
Best Power Fortress 1050 12V 35Ah UPS Replacement Battery
£240.99
£96.29

Best Power Fortress 1050 12V 35Ah UPS Replacement Battery

AJC® replacement compatible with Best Power Fortress 1050 UPS Battery Exact replacement for the original battery Voltage: 12V (12 Volts) Capacity:...

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£240.99
£96.29
Best Power FERRUPS FES-850 12V 35Ah UPS Replacement Battery
£240.99
£96.29

Best Power FERRUPS FES-850 12V 35Ah UPS Replacement Battery

AJC® replacement compatible with Best Power FERRUPS FES-850 UPS Battery Exact replacement for the original battery Voltage: 12V (12 Volts) Capacit...

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£240.99
£96.29
Best Power FERRUPS 0800-2K 12V 35Ah UPS Replacement Battery
£240.99
£96.29

Best Power FERRUPS 0800-2K 12V 35Ah UPS Replacement Battery

AJC® replacement compatible with Best Power FERRUPS 0800-2K UPS Battery Exact replacement for the original battery Voltage: 12V (12 Volts) Capacit...

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£240.99
£96.29
Best Power Fortress Telecom 2250 12V 35Ah UPS Replacement Battery
£240.99
£96.29

Best Power Fortress Telecom 2250 12V 35Ah UPS Replacement Battery

AJC® replacement compatible with Best Power Fortress Telecom 2250 UPS Battery Exact replacement for the original battery Voltage: 12V (12 Volts) C...

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£240.99
£96.29
Best Power FERRUPS FES-1.15K 12V 35Ah UPS Replacement Battery
£240.99
£96.29

Best Power FERRUPS FES-1.15K 12V 35Ah UPS Replacement Battery

AJC® replacement compatible with Best Power FERRUPS FES-1.15K UPS Battery Exact replacement for the original battery Voltage: 12V (12 Volts) Capac...

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£240.99
£96.29
Best Power Unity UT8K 12V 75Ah UPS Battery
£457.99
£183.29

Best Power Unity UT8K 12V 75Ah UPS Replacement Battery

AJC® replacement compatible with Best Power UT8K UPS Battery Exact replacement for the original battery Voltage: 12V (12 Volts) Capacity: 75Ah (75...

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£457.99
£183.29
Best Power Unity UT3K, UT4K, UT5K 12V 35Ah UPS Battery
£240.99
£96.29

Best Power Unity UT3K, UT4K, UT5K 12V 35Ah UPS Replacement Battery

AJC® replacement compatible with Best Power Unity UT3K UPS Battery Exact replacement for the original battery Voltage: 12V (12 Volts) Capacity: 35...

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£240.99
£96.29
Best Power Unity UT3K UT4K UT5K 12V 35Ah UPS Battery
£240.99
£96.29

Best Power Unity UT3K UT4K UT5K 12V 35Ah UPS Replacement Battery

AJC® replacement compatible with Best Power Unity UT3K UT4K UT5K UPS Battery Exact replacement for the original battery Voltage: 12V (12 Volts) Ca...

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£240.99
£96.29

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