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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

APC Back-UPS ES 350 BE350U ES350U 12V 3.2Ah UPS Replacement Battery AJC-D3.4S-B-0-144973 $11.99
$22.99
$11.79

APC Back-UPS ES 350 BE350U ES350U 12V 3.2Ah UPS Replacement Battery

AJC® Brand Replacement compatible with a APC Back-UPS ES 350 BE350U ES350U 12V 3.2Ah UPS Battery Voltage: 12V (12 Volts) Capacity: 3.2Ah (3200 mAh...

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$22.99
$11.79
APC BackUPS ES 550 12V 7Ah UPS Replacement Battery AJC-D7S-I-0-149783 $15.49
$28.99
$14.69

APC BackUPS ES 550 12V 7Ah UPS Replacement Battery

AJC® Brand Replacement compatible with a APC BackUPS ES 550 12V 7Ah UPS Battery Voltage: 12V (12 Volts) Capacity: 7Ah (7000 mAh) Terminals: F1 Che...

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$28.99
$14.69
Portalac PE6V4.5 6V 4.5Ah UPS Replacement Battery AJC-C4.5S-B-0-119560 $6.39
$10.99
$6.39

Portalac PE6V4.5 6V 4.5Ah UPS Replacement Battery

AJC® Brand Replacement compatible with a Portalac PE6V4.5 6V 4.5Ah UPS Battery Voltage: 6V (6 Volts) Capacity: 4.5Ah (4500 mAh) Terminals: F1 Chem...

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$10.99
$6.39
UB645 6V 4.5Ah UPS Battery
$10.99
$6.39

UB645 6V 4.5Ah UPS Replacement Battery

AJC® Brand Replacement compatible with a Universal Power Group UB645 6V 4.5Ah UPS Battery Voltage: 6V (6 Volts) Capacity: 4.5Ah (4500 mAh) Termina...

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$10.99
$6.39
Enduring 3FM7, 3-FM-7 6V 7Ah UPS Replacement Battery AJC-C7S-M-0-125719 $9.39
$16.99
$9.39

Enduring 3FM7, 3-FM-7 6V 7Ah UPS Replacement Battery

AJC® Brand Replacement compatible with a Enduring 3FM7 6V 7Ah UPS Battery Voltage: 6V (6 Volts) Capacity: 7Ah (7000 mAh) Terminals: F1 Chemistry: ...

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$16.99
$9.39
Yuasa NPW45-12, NPW 45-12 12V 9Ah UPS Replacement Battery AJC-D9S-M-0-125299 $20.49
$40.99
$20.39

Yuasa NPW45-12, NPW 45-12 12V 9Ah UPS Replacement Battery

AJC® Brand Replacement compatible with a Yuasa NPW45-12 12V 9Ah UPS Battery Voltage: 12V (12 Volts) Capacity: 9Ah (9000 mAh) Terminals: F1 Chemist...

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$40.99
$20.39
APC BackUPS ES 650 12V 7Ah UPS Replacement Battery AJC-D7S-I-0-149785 $14.29
$28.99
$14.69

APC BackUPS ES 650 12V 7Ah UPS Replacement Battery

AJC® Brand Replacement compatible with a APC BackUPS ES 650 12V 7Ah UPS Battery Voltage: 12V (12 Volts) Capacity: 7Ah (7000 mAh) Terminals: F1 Che...

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$28.99
$14.69
APC BackUPS ES 750 12V 7Ah UPS Replacement Battery AJC-D7S-I-0-149789 $14.29
$28.99
$14.69

APC BackUPS ES 750 12V 7Ah UPS Replacement Battery

AJC® Brand Replacement compatible with a APC BackUPS ES 750 12V 7Ah UPS Battery Voltage: 12V (12 Volts) Capacity: 7Ah (7000 mAh) Terminals: F1 Che...

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$28.99
$14.69
B&B BP12-6 6V 12Ah UPS Replacement Battery AJC-C12S-B-0-101864 $13.29
$25.99
$13.29

B&B BP12-6 6V 12Ah UPS Replacement Battery

AJC® Brand Replacement compatible with a B&B BP12-6 6V 12Ah UPS Battery Voltage: 6V (6 Volts) Capacity: 12Ah (12000 mAh) Terminals: F1 Chemist...

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$25.99
$13.29
B&B BP3-12 12V 3.2Ah UPS Replacement Battery AJC-D3.4S-B-0-120259 $11.99
$22.99
$11.79

B&B BP3-12 12V 3.2Ah UPS Replacement Battery

AJC® Brand Replacement compatible with a B&B BP3-12 12V 3.2Ah UPS Battery Voltage: 12V (12 Volts) Capacity: 3.2Ah (3200 mAh) Terminals: F1 Che...

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$22.99
$11.79
APC Back-UPS NS 1250 (BN1250) 12V 7Ah UPS Replacement Battery AJC-D7S-S-2-159564 $15.49
$28.99
$14.69

APC Back-UPS NS 1250 (BN1250) 12V 7Ah UPS Replacement Battery

AJC® Brand Replacement compatible with a APC Back-UPS NS 1250 (BN1250) 12V 7Ah UPS Battery Voltage: 12V (12 Volts) Capacity: 7Ah (7000 mAh) Termin...

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$28.99
$14.69
CyberPower 425VA SL 12V 3.2Ah UPS Replacement Battery AJC-D3.2S-I-0-171587 $11.79
$22.99
$11.79

CyberPower 425VA SL 12V 3.2Ah UPS Replacement Battery

AJC® Brand Replacement compatible with a CyberPower 425VA SL 12V 3.2Ah UPS Battery Voltage: 12V (12 Volts) Capacity: 3.2Ah (3200 mAh) Terminals: F...

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$22.99
$11.79
B&B BP5-12 12V 4.5Ah UPS Replacement Battery AJC-D4.5S-B-0-109778 $11.59
$22.99
$11.59

B&B BP5-12 12V 4.5Ah UPS Replacement Battery

AJC® Brand Replacement compatible with a B&B BP5-12 12V 4.5Ah UPS Battery Voltage: 12V (12 Volts) Capacity: 4.5Ah (4500 mAh) Terminals: F1 Che...

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$22.99
$11.59
B&B BP5-12 12V 5Ah UPS Replacement Battery AJC-D5S-B-0-133771 $11.99
$25.99
$13.29

B&B BP5-12 12V 5Ah UPS Replacement Battery

AJC® Brand Replacement compatible with a B&B BP5-12 12V 5Ah UPS Battery Voltage: 12V (12 Volts) Capacity: 5Ah (5000 mAh) Terminals: F1 Chemist...

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$25.99
$13.29
Liftmaster 485LM Evercharge Back-Up System 12V 5Ah UPS Replacement Battery AJC-D5S-I-0-154040 $11.99
$25.99
$13.29

Liftmaster 485LM Evercharge Back-Up System 12V 5Ah UPS Replacement Battery

AJC® Brand Replacement compatible with a Liftmaster 485LM Evercharge Battery Back-Up System 12V 5Ah UPS Battery Voltage: 12V (12 Volts) Capacity: ...

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$25.99
$13.29
Power Patrol SLA1104, SLA 1104 12V 12Ah UPS Replacement Battery AJC-D12S-M-0-124565 $24.99
$51.99
$25.89

Power Patrol SLA1104, SLA 1104 12V 12Ah UPS Replacement Battery

AJC® Brand Replacement compatible with a Power Patrol SLA1104 12V 12Ah UPS Battery Voltage: 12V (12 Volts) Capacity: 12Ah (12000 mAh) Terminals: F...

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$51.99
$25.89
APC Back-UPS ES 550 12V 8Ah UPS Replacement Battery AJC-D8S-I-0-115754 $18.19
$35.99
$18.19

APC Back-UPS ES 550 12V 8Ah UPS Replacement Battery

AJC® Brand Replacement compatible with a APC 550 12V 8Ah UPS Battery Voltage: 12V (12 Volts) Capacity: 8Ah (8000 mAh) Terminals: F1 Chemistry: Sea...

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$35.99
$18.19
APC Back-UPS 600 BN600 12V 7Ah UPS Replacement Battery AJC-D7S-B-0-149662 $15.49
$28.99
$14.69

APC Back-UPS 600 BN600 12V 7Ah UPS Replacement Battery

AJC® Brand Replacement compatible with a APC Back-UPS 600 BN600 12V 7Ah UPS Battery Voltage: 12V (12 Volts) Capacity: 7Ah (7000 mAh) Terminals: F1...

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$28.99
$14.69
Leoch DJW6-7.0, DJW 6-7.0 6V 7Ah UPS Replacement Battery AJC-C7S-M-0-125374 $7.99
$16.99
$9.39

Leoch DJW6-7.0, DJW 6-7.0 6V 7Ah UPS Replacement Battery

AJC® Brand Replacement compatible with a Leoch DJW6-7.0 6V 7Ah UPS Battery Voltage: 6V (6 Volts) Capacity: 7Ah (7000 mAh) Terminals: F1 Chemistry:...

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$16.99
$9.39
APC Back-UPS XS 1300 LCD (BX1300LCD) 12V 9Ah UPS Replacement Battery AJC-D9S-S-2-160841 $20.49
$40.99
$20.39

APC Back-UPS XS 1300 LCD (BX1300LCD) 12V 9Ah UPS Replacement Battery

AJC® Brand Replacement compatible with a APC Back-UPS XS 1300 LCD (BX1300LCD) 12V 9Ah UPS Battery Voltage: 12V (12 Volts) Capacity: 9Ah (9000 mAh)...

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$40.99
$20.39
APC BackUPS ES BE350G 12V 3.2Ah UPS Replacement Battery AJC-D3.2S-I-0-171470 $11.89
$22.99
$11.79

APC BackUPS ES BE350G 12V 3.2Ah UPS Replacement Battery

AJC® Brand Replacement compatible with a APC BackUPS ES BE350G 12V 3.2Ah UPS Battery Voltage: 12V (12 Volts) Capacity: 3.2Ah (3200 mAh) Terminals:...

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$22.99
$11.79
Cyber Power CP550SL (550VA) 12V 8Ah UPS Replacement Battery AJC-D8S-I-0-162020 $16.69
$35.99
$18.19

Cyber Power CP550SL (550VA) 12V 8Ah UPS Replacement Battery

AJC® Brand Replacement compatible with a CyberPower CP550SL (550VA) 12V 8Ah UPS Battery Voltage: 12V (12 Volts) Capacity: 8Ah (8000 mAh) Terminals...

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$35.99
$18.19
APC Back-UPS ES 750 12V 8Ah UPS Replacement Battery AJC-D8S-I-0-115756 $16.69
$35.99
$18.19

APC Back-UPS ES 750 12V 8Ah UPS Replacement Battery

AJC® Brand Replacement compatible with a APC 750 12V 8Ah UPS Battery Voltage: 12V (12 Volts) Capacity: 8Ah (8000 mAh) Terminals: F1 Chemistry: Sea...

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$35.99
$18.19
Boosterpac ES5000 Booster 12V 18Ah UPS Replacement Battery AJC-D18S-V-0-177213 $37.79
$72.99
$34.59

Boosterpac ES5000 Booster 12V 18Ah UPS Replacement Battery

AJC® Brand Replacement compatible with a Boosterpac ES5000 Booster 12V 18Ah UPS Battery Voltage: 12V (12 Volts) Capacity: 18Ah (18000 mAh) Termina...

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$72.99
$34.59