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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-UPS VS575C 12V 3.2Ah UPS Replacement Battery-1
$9.19

OPTI-UPS VS575C 12V 3.2Ah UPS Replacement Battery

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

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$9.19
OPTI-UPS TS1700B 12V 7Ah UPS Replacement Battery-1
$13.99

OPTI-UPS TS1700B 12V 7Ah UPS Replacement Battery

AJC® replacement compatible with OPTI-UPS TS1700B UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (12 Volts...

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$13.99
Opti-UPS TS2250B 12V 8Ah UPS Replacement Battery-1
$17.59

Opti-UPS TS2250B 12V 8Ah UPS Replacement Battery

AJC® replacement compatible with OPTI-UPS TS2250B UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (12 Volts...

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$17.59
Opti-UPS Thunder Shield Series TS650 TS650B 12V 7Ah UPS Replacement Battery-1
$13.99

Opti-UPS Thunder Shield Series TS650 TS650B 12V 7Ah UPS Replacement Battery

AJC® replacement compatible with OPTI-UPS Thunder Shield Series TS650 TS650B UPS Battery Exact OEM replacement guaranteed to fit easily and preci...

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$13.99
Opti-UPS Thunder Shield Series TS1700, TS1700B 12V 8Ah UPS Replacement Battery-1
$17.59

Opti-UPS Thunder Shield Series TS1700, TS1700B 12V 8Ah UPS Replacement Battery

AJC® replacement compatible with OPTI-UPS Thunder Shield Series TS1700 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely V...

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$17.59
OPTI-UPS PS500 / 500PS 12V 5Ah UPS Replacement Battery-1
$10.99

OPTI-UPS PS500 / 500PS 12V 5Ah UPS Replacement Battery

AJC® replacement compatible with OPTI-UPS PS500 / 500PS UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (12...

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$10.99
Opti-UPS Power Series PS800B 12V 5Ah UPS Replacement Battery-1
$10.99

Opti-UPS Power Series PS800B 12V 5Ah UPS Replacement Battery

AJC® replacement compatible with OPTI-UPS Power Series PS800B UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 1...

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$10.99
OPTI-UPS ES1000C-RM 12V 7Ah UPS Replacement Battery-1
$13.99

OPTI-UPS ES1000C-RM 12V 7Ah UPS Replacement Battery

AJC® replacement compatible with OPTI-UPS ES1000C-RM UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (12 Vo...

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$13.99
Opti-UPS Enhanced Series ES800C, RBAT-9 12V 8Ah UPS Replacement Battery-1
$17.59

Opti-UPS Enhanced Series ES800C, RBAT-9 12V 8Ah UPS Replacement Battery

AJC® replacement compatible with OPTI-UPS Enhanced Series ES800C UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage...

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$17.59
Opti-UPS Enhanced Series ES550C RBAT-1 12V 7Ah UPS Replacement Battery-1
$13.99

Opti-UPS Enhanced Series ES550C RBAT-1 12V 7Ah UPS Replacement Battery

AJC® replacement compatible with OPTI-UPS Enhanced Series ES550C RBAT-1 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely ...

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$13.99
OPTI-UPS GNL1500P 12V 35Ah UPS Replacement Battery-1
$67.59

OPTI-UPS GNL1500P 12V 35Ah UPS Replacement Battery

AJC® replacement compatible with OPTI-UPS GNL1500P UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (12 Volt...

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$67.59