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Battery Backup Replacement Batteries

The best backup batteries for your devices are the ones that last the longest and work when you need them. Whether you're looking for a replacement battery for your smoke alarm, security system, or other device, we've got you covered. Browse the top-ranked list of battery backup replacement batteries below along with associated reviews and opinions.

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  1. APC - Replacement Battery Cartridge for Back-UPS, 12V 6.5Ah lead-acid battery, 2-year repair or replace warranty - Lead - Black

    SKU: JXKZPRCXH7

    I think that this is the best thing to have on your computer for the protection of your computers...The Best Battery

    Product Description

    A black 12V 6.5Ah lead-acid replacement battery designed to restore reliable performance to compatible UPS units.
    See all Battery Backup (UPS)
    Your price for this item is $94.95

  2. HQRP - 5-Pack 4.8V Backup Battery for E-XP2RBW, ANIC1117, D-AA500 BL93NC487 BL93NC484 Lithonia E-conolight Unitech Systems

    SKU: J3ZSLCR47L

    Product Description

    A 5-pack of rechargeable 4.8V Ni-Cd backup batteries ensures reliable emergency and exit lighting power.
    See all All Batteries & Power
    Your price for this item is $35.40

  3. Eaton - Pw9130 1500Va Rack Replacement Battery - Unknown

    SKU: JX4K7Z6GP6

    Product Description

    A high-performance replacement battery designed to deliver reliable backup power for UPS systems.
    See all Battery Backup (UPS)
    Your price for this item is $499.99

  4. HQRP - 2-Pack 2.4 V 80 mAh Ni-MH Memory Backup Batteries with Spring Tabs for V80H

    SKU: J3ZSL2GWY5

    Product Description

    A 2-pack of 2.4V 80mAh Ni-MH rechargeable backup batteries with spring tabs for memory retention.
    See all All Batteries & Power
    Your price for this item is $13.95

  5. HQRP - 2100 mAh 7.2 V Ni-MH Backup Battery for Honeywell ADT Lyric, Replaces 300-03866

    SKU: J3ZSLC6TL4

    Product Description

    A rechargeable 7.2V Ni-MH backup battery providing reliable power and protection for compatible security systems.
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    Your price for this item is $21.90

  6. HQRP - 5-Pack 7.2 V 3600 mAh NiMH Backup Batteries for DSC Impassa SCW9057 SCW9055 Alarm Panel

    SKU: J3ZSL26LSZ

    Product Description

    A five-pack of 7.2V 3600mAh rechargeable NiMH backup batteries compatible with select security alarm panels.
    See all Specialty Batteries
    Your price for this item is $117.95

  7. HQRP - Backup Battery for 2gig BATT1X BATT2X BATT1 GC2 2GIG-CNTRL2 2GIG-CP2 GCKIT311 Go Control Panel Security System Alarm

    SKU: J3ZSLCV498

    Product Description

    A rechargeable 7.2V 2600mAh Ni-MH battery pack ensures reliable backup power for compatible security systems.
    See all All Batteries & Power
    Your price for this item is $21.95

  8. HQRP - 3V Backup Lithium Battery for Schneider Modicon 990XCP98000 Industrial Quantum PLC

    SKU: J3ZSLC6RWQ

    Product Description

    A reliable 3V lithium backup battery providing 1500mAh power for Schneider Modicon 990XCP98000 PLC systems.
    See all All Batteries & Power
    Your price for this item is $15.95

  9. Rechargeable Lead Acid Replacement Battery Cartridge #124 for Select APC Back-Up Systems

    SKU: JXKZP6V37L

    Perfect match for original batteries if you want the best performance....Love the quality and experience of ordering....Great service.

    Product Description

    A rechargeable 12-volt lead acid battery in black and green, compatible with select APC Back-UPS systems.
    See all Surge Protectors & Power
    Your price for this item is $142.68
    Save $0
    The previous price was $143.04

  10. BTI Battery Tech - BTI RB1270X2C-BTI 12V 2-CELL LEAD ACID UPS BATTERY FOR CYBERPOWER RB1270X2C - Compatible OEM: RB1270X2C Model: - Unknown

    SKU: J3ZGJHLQR9

    Product Description

    A reliable 12V 2-cell lead acid UPS battery designed for select CyberPower backup systems.
    See all Battery Backup (UPS)
    Your price for this item is $123.56
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FAQ

Battery backup replacement batteries are commonly compatible with uninterruptible power supplies (UPS), home security systems, medical equipment, and select networking devices. Always check your device's specifications to ensure compatibility.

You can typically find the model number on your existing battery or in your device’s user manual. Matching the model number ensures you select the right replacement for optimal performance.

Most replacement batteries are designed for easy installation and do not require special tools. However, some devices may need a screwdriver or similar basic tool to access the battery compartment.

Yes, most battery backup batteries are recyclable. Many local recycling centers and electronics retailers offer battery recycling services to help you dispose of old batteries responsibly.

Replacement frequency depends on usage and battery type, but most battery backup batteries should be replaced every 3–5 years to ensure reliable performance during power outages.