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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
$11.49

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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$11.49
OPTI-UPS TS1700B 12V 7Ah UPS Replacement Battery-1
$13.89

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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$13.89
Opti-UPS TS2250B 12V 8Ah UPS Replacement Battery-1
$16.59

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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$16.59
Opti-UPS Thunder Shield Series TS650 TS650B 12V 7Ah UPS Replacement Battery-1
$13.89

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 precis...

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$13.89
Opti-UPS Thunder Shield Series TS1700, TS1700B 12V 8Ah UPS Replacement Battery-1
$16.59

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

AJC® replacement compatible with OPTI-UPS Thunder Shield Series TS1700 TS1700B UPS Battery Exact OEM replacement guaranteed to fit easily and prec...

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$16.59
OPTI-UPS PS500 / 500PS 12V 5Ah UPS Replacement Battery-1
$11.79

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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$11.79
Opti-UPS Power Series PS800B 12V 5Ah UPS Replacement Battery-1
$11.79

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: 12...

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$11.79
OPTI-UPS ES1500C TowerRM 12V 7Ah UPS Replacement Battery
$13.89

OPTI-UPS ES1500C TowerRM 12V 7Ah UPS Replacement Battery

AJC® replacement compatible with OPTI-UPS ES1500C TowerRM UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (1...

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

OPTI-UPS ES550C-USB 12V 7Ah UPS Replacement Battery

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

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$13.89
OPTI-UPS ES1500C-RM 12V 9Ah UPS Replacement Battery-1
$17.99

OPTI-UPS ES1500C-RM 12V 9Ah UPS Replacement Battery

AJC® replacement compatible with OPTI-UPS ES1500C-RM UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (12 Vol...

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$17.99