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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.

MK ES3-12 12V 3.2Ah UPS Replacement Battery
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$11.59

MK ES3-12 12V 3.2Ah UPS Replacement Battery

Info AJC® replacement compatible with MK ES3-12 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM techn...

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$11.59
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MK ES9-12 12V 9Ah UPS Replacement Battery
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$21.29

MK ES9-12 12V 9Ah UPS Replacement Battery

Info AJC® replacement compatible with MK ES9-12 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM techn...

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$21.29
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MK ES12-12 12V 12Ah UPS Replacement Battery
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$25.79

MK ES12-12 12V 12Ah UPS Replacement Battery

Info AJC® replacement compatible with MK ES12-12 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM tech...

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$25.79
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MK ES12-12 12V 10Ah UPS Replacement Battery
$23.89

MK ES12-12 12V 10Ah UPS Replacement Battery

Info AJC® replacement compatible with MK ES12-12 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM tech...

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$23.89
MK ES7-6 6V 7Ah UPS Replacement Battery
$8.19

MK ES7-6 6V 7Ah UPS Replacement Battery

Info AJC® replacement compatible with MK ES7-6 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM techno...

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$8.19
MK M12260 SLD M 12V 26Ah UPS Replacement Battery
$55.99

MK M12260 SLD M 12V 26Ah UPS Replacement Battery

Info AJC® replacement compatible with MK M12260 SLD M UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM...

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$55.99
MK ES17-12 12V 18Ah UPS Replacement Battery
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$35.99

MK ES17-12 12V 18Ah UPS Replacement Battery

Info AJC® replacement compatible with MK ES17-12 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM tech...

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$35.99
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MK M50-12 SLD M 12V 50Ah UPS Battery
$167.99

MK M50-12 SLD M 12V 50Ah UPS Replacement Battery

This is an UPG® Brand replacement compatible with MK UPS Batteries Terminal: L2 Volts: 12V (12 Volt) Ah: 50Ah (50000mAh) 12v 50ah UB12500 repla...

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$167.99
MK M17-12 SLD M 12V 18Ah UPS Replacement Battery
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$35.99

MK M17-12 SLD M 12V 18Ah UPS Replacement Battery

Info AJC® replacement compatible with MK M17-12 SLD M UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM...

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$35.99
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MK ES12-6 6V 12Ah UPS Replacement Battery
$13.99

MK ES12-6 6V 12Ah UPS Replacement Battery

Info AJC® replacement compatible with MK ES12-6 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM techn...

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$13.99