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UPS Replacement Batteries

UPS is short for “uninterruptible power supply.” It is designed for use with various electronics, especially computers and telecom systems, where a power outage could potentially be catastrophic. Find out more below about what you need to consider when ordering a UPS battery or UPS replacement battery.

UPS Battery and UPS Replacement Battery Options

There is a diverse array of options when it comes to finding replacement UPS batteries. Many people or organisations only consider using this type of battery for computers, but UPS batteries can actually be a great power source for numerous types of electronic equipment both at home and at work.

Each type of UPS battery comes with different power restrictions and varying plug-in options. You may be looking to do something as simple as keeping your power running to an electronic product for a further ten minutes during a power failure or as large-scale as maintaining the power supply to an entire office to keep computers up and running during a hurricane.

How Much Battery Power Do You Need?

Before purchasing a UPS replacement battery, you will need to determine two things in order to select the most suitable product for you. First of all, decide how long you will need to have your battery on for, and secondly, ascertain how many items you will need to run off the UPS battery.

The amount of time you need the battery to work for will be determined by your needs for the electronics. For instance, if you just want to make sure that your computer shuts down properly, you only need about ten minutes. If you need to run reports on the computer throughout the day, you may want to find a larger power option for your battery.

Shop with ease and find the perfect products quickly by browsing our different categories. At BatteryClerk we also provide all the product information you could need at a glance, making it easier to decide which is the best product for you. If you have any further questions on which UPS replacement batteries are best for you, check out our FAQs section.

AJC Battery
Best Power Fortress II LI 2250 6V 12Ah UPS Battery
$36.99
$18.69

Best Power Fortress II LI 2250 6V 12Ah UPS Replacement Battery

AJC® replacement Best Power Fortress II LI 2250 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 6V (6 Volts) Ca...

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$36.99
$18.69
Best Power BAT0058 12V 22Ah UPS Replacement Battery
$123.99
$58.79

Best Power BAT0058 12V 22Ah UPS Replacement Battery

AJC® replacement compatible with a Best Power BAT0058 12V 22Ah UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 1...

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$123.99
$58.79
Best Power LI1420VA B 12V 22Ah UPS Replacement Battery
$123.99
$58.79

Best Power LI1420VA B 12V 22Ah UPS Replacement Battery

AJC® replacement compatible with a Best Power LI1420VA B 12V 22Ah UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage...

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$123.99
$58.79
Best Power Ferrups FES850VA, FES 850VA 12V 22Ah UPS Replacement Battery
$123.99
$58.79

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

AJC® replacement compatible with a Best Power Ferrups FES850VA 12V 22Ah UPS Battery Exact OEM replacement guaranteed to fit easily and precisely V...

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$123.99
$58.79
Best Power Micro-FERRUPS FE1.4KVA 12V 22Ah UPS Replacement Battery
$123.99
$58.79

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

AJC® replacement compatible with a Best Power Micro-FERRUPS FE1.4KVA 12V 22Ah UPS Battery Exact OEM replacement guaranteed to fit easily and preci...

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$123.99
$58.79
Best Power FE 2.1KVA BAT-0058 12V 22Ah UPS Replacement Battery
$123.99
$58.79

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

AJC® replacement compatible with a Best Power FE 2.1KVA BAT-0058 12V 22Ah UPS Battery Exact OEM replacement guaranteed to fit easily and precisely...

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$123.99
$58.79
Best Power Ferrups FE2.1KVA, FE 2.1KVA 12V 22Ah UPS Replacement Battery
$123.99
$58.79

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

AJC® replacement compatible with a Best Power Ferrups FE2.1KVA 12V 22Ah UPS Battery Exact OEM replacement guaranteed to fit easily and precisely V...

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$123.99
$58.79
Best Power Ferrups FE1.8KVA FE 1.8KVA 12V 22Ah UPS Replacement Battery
$123.99
$58.79

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

AJC® replacement compatible with a Best Power Ferrups FE1.8KVA FE 1.8KVA 12V 22Ah UPS Battery Exact OEM replacement guaranteed to fit easily and p...

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$123.99
$58.79
Best Power Unity UT5K 12V 9Ah UPS Replacement Battery
$51.99
$25.99

Best Power Unity UT5K 12V 9Ah UPS Replacement Battery

AJC® replacement compatible with a Best Power Unity UT5K UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (12...

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$51.99
$25.99
Best Power Unity UT8K 12V 9Ah UPS Replacement Battery
$51.99
$25.99

Best Power Unity UT8K 12V 9Ah UPS Replacement Battery

AJC® replacement compatible with a Best Power Unity UT8K UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (12...

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$51.99
$25.99
Best Power Unity UT4K 12V 9Ah UPS Replacement Battery
$51.99
$25.99

Best Power Unity UT4K 12V 9Ah UPS Replacement Battery

AJC® replacement compatible with a Best Power Unity UT4K UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (12...

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$51.99
$25.99
Best Power Pro 1000 12V 75Ah UPS Replacement Battery
$410.99
$211.49

Best Power Pro 1000 12V 75Ah UPS Replacement Battery

AJC® replacement compatible with a Best Power Pro 1000 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (12 V...

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$410.99
$211.49
Best Power Fortress Telecom 2250 12V 35Ah UPS Replacement Battery
$187.99
$101.89

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

AJC® replacement compatible with a Best Power Fortress Telecom 2250 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Volta...

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$187.99
$101.89
Best Power Fortress 1050 12V 35Ah UPS Replacement Battery
$187.99
$101.89

Best Power Fortress 1050 12V 35Ah UPS Replacement Battery

AJC® replacement compatible with a Best Power Fortress 1050 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V ...

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$187.99
$101.89
Best Power Fortress 1K 12V 35Ah UPS Replacement Battery
$187.99
$101.89

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

AJC® replacement compatible with a Best Power Fortress 1K UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (1...

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$187.99
$101.89
Best Power FERRUPS FES-850 12V 35Ah UPS Replacement Battery
$187.99
$101.89

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

AJC® replacement compatible with a Best Power FERRUPS FES-850 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12...

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$187.99
$101.89
Best Power FERRUPS FES-1.15K 12V 35Ah UPS Replacement Battery
$187.99
$101.89

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

AJC® replacement compatible with a Best Power FERRUPS FES-1.15K UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: ...

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$187.99
$101.89
Best Power Fortress Telecom 1800 12V 35Ah UPS Replacement Battery
$187.99
$101.89

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

AJC® replacement compatible with a Best Power Fortress Telecom 1800 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Volta...

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$187.99
$101.89
Best Power FERRUPS 0800-2K 12V 35Ah UPS Replacement Battery
$187.99
$101.89

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

AJC® replacement compatible with a Best Power FERRUPS 0800-2K UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12...

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$187.99
$101.89
Best Power LI 1050-3 12V 9Ah UPS Battery
$51.99
$25.99

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

AJC® replacement compatible with a Best Power LI 1050-3 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (12 ...

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$51.99
$25.99
Best Power 600 12V 9Ah UPS Battery
$51.99
$25.99

Best Power 600 12V 9Ah UPS Replacement Battery

AJC® replacement compatible with a Best Power 600 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (12 Volts)...

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$51.99
$25.99
Best Power PW5125 EBM-48 RM 12V 9Ah UPS Battery
$51.99
$25.99

Best Power PW5125 EBM-48 RM 12V 9Ah UPS Replacement Battery

AJC® replacement compatible with a Best Power UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12 (12 Volts) Ca...

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$51.99
$25.99
Best Power PW9355-30 12V 9Ah UPS Battery
$51.99
$25.99

Best Power PW9355-30 12V 9Ah UPS Replacement Battery

AJC® replacement compatible with a Best Power UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12 (12 Volts) Ca...

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$51.99
$25.99
Best Power PW9125-2500U 12V 9Ah UPS Battery
$51.99
$25.99

Best Power PW9125-2500U 12V 9Ah UPS Replacement Battery

AJC® replacement compatible with a Best Power UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12 (12 Volts) Ca...

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$51.99
$25.99

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