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UPS 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. Browse our selection of UPS replacement batteries from some of the top UPS brands below.

Opti PS1440 12V 7Ah UPS Replacement Battery-1
$13.89

Opti PS1440 12V 7Ah UPS Replacement Battery

AJC® replacement compatible with Opti PS1440 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (12 Volts) Capa...

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$13.89
Opti Enhanced ES1000C ES1000C-RM 12V 8Ah UPS Replacement Battery-1
$16.59

Opti Enhanced ES1000C ES1000C-RM 12V 8Ah UPS Replacement Battery

AJC® replacement compatible with Opti Enhanced ES1000C ES1000C-RM UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage...

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$16.59
Opti ES550C 12V 7Ah UPS Replacement Battery-1
$13.89

Opti ES550C 12V 7Ah UPS Replacement Battery

AJC® replacement compatible with Opti ES550C UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (12 Volts) Capa...

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$13.89
Opti 500PS 12V 5Ah UPS Replacement Battery-1
$11.79

Opti 500PS 12V 5Ah UPS Replacement Battery

AJC® replacement compatible with Opti 500PS UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (12 Volts) Capac...

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$11.79
Opti VS575C 12V 3.2Ah UPS Replacement Battery-1
$11.49

Opti VS575C 12V 3.2Ah UPS Replacement Battery

AJC® replacement compatible with Opti VS575C UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (12 Volts) Capa...

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$11.49
Opti Thunder Shield TS1250W 12V 8Ah UPS Replacement Battery-1
$16.59

Opti Thunder Shield TS1250W 12V 8Ah UPS Replacement Battery

AJC® replacement compatible with Opti Thunder Shield TS1250W UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V...

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$16.59
Opti RBAT-6 12V 7Ah UPS Replacement Battery-1
$13.89

Opti RBAT-6 12V 7Ah UPS Replacement Battery

AJC® replacement compatible with Opti RBAT-6 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (12 Volts) Capa...

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$13.89
Opti Power ES 650ES 12V 12Ah UPS Replacement Battery-1
$23.99

Opti Power ES 650ES 12V 12Ah UPS Replacement Battery

AJC® replacement compatible with Opti Power ES 650ES UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (12 Vol...

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$23.99
Opti ONEBP107 12V 8Ah UPS Replacement Battery-1
$16.59

Opti ONEBP107 12V 8Ah UPS Replacement Battery

AJC® replacement compatible with Opti ONEBP107 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (12 Volts) Ca...

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$16.59
Opti ES550C-USB 12V 7Ah UPS Replacement Battery-1
$13.89

Opti ES550C-USB 12V 7Ah UPS Replacement Battery

AJC® replacement compatible with Opti ES550C-USB UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (12 Volts) ...

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$13.89
Opti ES1500C 12V 8Ah UPS Replacement Battery-1
$16.59

Opti ES1500C 12V 8Ah UPS Replacement Battery

AJC® replacement compatible with Opti ES1500C UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (12 Volts) Cap...

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$16.59