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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 below

Fortress Best Power Unity UT8K 12V 75Ah UPS Replacement Battery AJC-D75S-H-4-111971 $144.99
$287.99
$148.39

Fortress Best Power Unity UT8K 12V 75Ah UPS Replacement Battery

AJC® replacement compatible with a Fortress Best Power UT8K 12V 75Ah UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Volt...

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$287.99
$148.39
Fortress Best Power Fortress LI 750 BAT-0063 6V 10Ah UPS Replacement Battery AJC-C10S-H-2-100168 $11.79
$23.99
$12.29

Fortress Best Power Fortress LI 750 BAT-0063 6V 10Ah UPS Replacement Battery

AJC® replacement compatible with a Fortress Best Power BAT-0063 6V 10Ah UPS Battery Exact OEM replacement guaranteed to fit easily and precisely V...

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$23.99
$12.29
Fortress Best Power Fortress LI 2.5KVA BAT-0065 12V 35Ah UPS Replacement Battery AJC-D35S-H-3-108112 $69.99
$141.99
$76.89

Fortress Best Power Fortress LI 2.5KVA BAT-0065 12V 35Ah UPS Replacement Battery

AJC® replacement compatible with a Fortress Best Power BAT-0065 12V 35Ah UPS Battery Exact OEM replacement guaranteed to fit easily and precisely ...

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$141.99
$76.89
Fortress Best Power Blackout Buster 12V 7Ah UPS Replacement Battery AJC-D7S-H-1-113834 $14.29
$28.99
$14.69

Fortress Best Power Blackout Buster 12V 7Ah UPS Replacement Battery

AJC® replacement compatible with a Fortress Best Power Blackout Buster 12V 7Ah UPS Battery Exact OEM replacement guaranteed to fit easily and prec...

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$28.99
$14.69
Fortress Best Power BA-41 (BAT-53) 12V 35Ah UPS Replacement Battery AJC-D35S-H-1-108058 $69.99
$141.99
$76.89

Fortress Best Power BA-41 (BAT-53) 12V 35Ah UPS Replacement Battery

AJC® replacement compatible with a Fortress Best Power BA-41 (BAT-53) 12V 35Ah UPS Battery Exact OEM replacement guaranteed to fit easily and prec...

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$141.99
$76.89

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