Welcome to AtBatt.com! |

    • my cart
    • 0 Items  Total $0.00
  • 1-877-528-2288
  • Customer Service
  • FREE SHIPPING ABOVE $75
  • Ground Shipping Continental US
Free Shipping! Free 9V Battery! Free Rechargeables!

UPS Battery Backup

AtBatt.com offers a wide selection of replacement UPS batteries for most (UPS) Uninterruptable Power Supply battery backup systems. Because batteries for UPS backup units vary, AtBatt.com developed the UPS Battery Backup Select Technologyâ„¢ to help our customers find the correct battery quickly and easily. Your first step is to choose your UPS Backup brand from the list below. You may also search by your UPS battery part number.
UPS Backup
per page
Page:
  1. 1
  2. 2

Items 1-20 of 24

  product specs price
Amstron Replacement Backup Battery for APC RBC12 Amstron Replacement Backup Battery for APC RBC12
  • SKU:AUP-12
  • BRAND: Amstron
SRP: $279.99
Our Price: $263.98 (Save 15%)
  •  
    24 V
  •  
    14.4Ah
  •  
    346 Whr
  •  
    Lead Acid
  •  
    CE,UR
  •  
    In Stock
  • 2 Year Warranty
  • Sale Price: $237.58
    +FREE SHIPPING
    UPS Backup Battery Cartridge for APC RBC24 UPS Backup Battery Cartridge for APC RBC24
    • SKU:AUP-24
    • BRAND: Amstron
    SRP: $219.99
    Our Price: $192.99 (Save 21%)
  •  
    24 V
  •  
    14.4Ah
  •  
    346 Whr
  •  
    Lead Acid
  •  
    CE,UR
  •  
    In Stock
  • 2 Year Warranty
  • Sale Price: $173.69
    +FREE SHIPPING
    Amstron Replacement Backup Battery for APC RBC12 - High Capacity Amstron Replacement Backup Battery for APC RBC12 - High Capacity
    • SKU:AUP-12HC
    • BRAND: Amstron
    SRP: $309.99
    Our Price: $287.98 (Save 16%)
  •  
    24 V
  •  
    18Ah
  •  
    432 Whr
  •  
    Lead Acid
  •  
    CE,UR
  •  
    In Stock
  • 2 Year Warranty
  • Sale Price: $259.18
    +FREE SHIPPING
    Amstron Replacement Backup Battery for APC RBC55 (Blue Connector) Amstron Replacement Backup Battery for APC RBC55 (Blue Connector)
    • SKU:AUP-55
    • BRAND: Amstron
    SRP: $349.99
    Our Price: $248.99 (Save 36%)
  •  
    24 V
  •  
    18Ah
  •  
    432 Whr
  •  
    Lead Acid
  •  
    CE,UR
  •  
    In Stock
  • 2 Year Warranty
  • Sale Price: $224.09
    +FREE SHIPPING
    APC RBC43 UPS Backup Battery by Amstron APC RBC43 UPS Backup Battery by Amstron
    • SKU:AUP-43
    • BRAND: Amstron
    SRP: $379.99
    Our Price: $339.99 (Save 19%)
  •  
    48 V
  •  
    10Ah
  •  
    480 Whr
  •  
    Lead Acid
  •  
    CE,UR
  •  
    In Stock
  • 2 Year Warranty
  • Sale Price: $305.99
    +FREE SHIPPING
    AtBatt.com Backup Battery for APC RBC1 AtBatt.com Backup Battery for APC RBC1
    • SKU:ATBRBC1
    • BRAND: AtBatt.com
    SRP: $49.99
    Our Price: $21.99 (Save 60%)
  •  
    12 V
  •  
    4Ah
  •  
    48 Whr
  •  
    Lead Acid
  •  
    CE,UR
  •  
    In Stock
  • 1 Year Warranty
  • Sale Price: $19.79
    AtBatt.com Replacement Backup Battery for APC RBC3 AtBatt.com Replacement Backup Battery for APC RBC3
    • SKU:ATBRBC3
    • BRAND: AtBatt.com
    SRP: $79.99
    Our Price: $61.10 (Save 31%)
  •  
    12 V
  •  
    12Ah
  •  
    144 Whr
  •  
    Lead Acid
  •  
    CE,UR
  •  
    In Stock
  • 1 Year Warranty
  • Sale Price: $54.99
    AtBatt.com Replacement Backup Battery for APC RBC55 (Blue Connector) AtBatt.com Replacement Backup Battery for APC RBC55 (Blue Connector)
    • SKU:ATBRBC55
    • BRAND: AtBatt.com
    SRP: $299.99
    Our Price: $218.99 (Save 34%)
  •  
    24 V
  •  
    18Ah
  •  
    432 Whr
  •  
    Lead Acid
  •  
    CE,UR
  •  
    In Stock
  • 1 Year Warranty
  • Sale Price: $197.09
    +FREE SHIPPING
    AtBatt.com Replacement Backup Battery for APC RBC8 AtBatt.com Replacement Backup Battery for APC RBC8
    • SKU:ATBRBC8
    • BRAND: AtBatt.com
    SRP: $149.99
    Our Price: $114.99 (Save 31%)
  •  
    48 V
  •  
    7Ah
  •  
    336 Whr
  •  
    Lead Acid
  •  
    CE,UR
  •  
    In Stock
  • 1 Year Warranty
  • Sale Price: $103.49
    +FREE SHIPPING
    CSB Battery 12V 21W High Rate SLA Battery (8 PK) CSB Battery 12V 21W High Rate SLA Battery (8 PK)
    • SKU:8XHR1221WF2
    • BRAND: CSB Battery
    SRP: $343.99
    Our Price: $150.49 (Save 61%)
  •  
    12 V
  •  
    5.1Ah
  •  
    61 Whr
  •  
    Lead Acid
  •  
    CE,UR
  •  
    In Stock
  • 1 Year Warranty
  • Sale Price: $135.44
    +FREE SHIPPING
    Amstron Replacement Backup Battery for APC RBC6 - High Capacity Amstron Replacement Backup Battery for APC RBC6 - High Capacity
    • SKU:AUP-6HC
    • BRAND: Amstron
    SRP: $149.99
    Our Price: $129.99 (Save 22%)
  •  
    24 V
  •  
    14Ah
  •  
    336 Whr
  •  
    Lead Acid
  •  
    CE,UR
  •  
    In Stock
  • 2 Year Warranty
  • Sale Price: $116.99
    +FREE SHIPPING
    UPS Backup Battery for APC RBC23 UPS Backup Battery for APC RBC23
    • SKU:AUP-23
    • BRAND: Amstron
    SRP: $219.99
    Our Price: $192.99 (Save 21%)
  •  
    24 V
  •  
    14.4Ah
  •  
    346 Whr
  •  
    Lead Acid
  •  
    CE,UR
  •  
    In Stock
  • 2 Year Warranty
  • Sale Price: $173.69
    +FREE SHIPPING
    Amstron Replacement Battery Cartridge for APC RBC22 - High Capacity Amstron Replacement Battery Cartridge for APC RBC22 - High Capacity
    • SKU:AUP-22HC
    • BRAND: Amstron
    SRP: $199.99
    Our Price: $191.98 (Save 14%)
  •  
    24 V
  •  
    9Ah
  •  
    216 Whr
  •  
    Lead Acid
  •  
    CE,UR
  •  
    In Stock
  • 2 Year Warranty
  • Sale Price: $172.78
    +FREE SHIPPING
    Amstron Replacement Backup Battery for APC RBC5 Amstron Replacement Backup Battery for APC RBC5
    • SKU:AUP-5
    • BRAND: Amstron
    SRP: $79.99
    Our Price: $72.53 (Save 18%)
  •  
    24 V
  •  
    7Ah
  •  
    168 Whr
  •  
    Lead Acid
  •  
    CE,UR
  •  
    In Stock
  • 2 Year Warranty
  • Sale Price: $65.28
    Amstron Replacement Backup Battery for APC RBC6 Amstron Replacement Backup Battery for APC RBC6
    • SKU:AUP-6
    • BRAND: Amstron
    SRP: $129.99
    Our Price: $107.99 (Save 25%)
  •  
    24 V
  •  
    12Ah
  •  
    288 Whr
  •  
    Lead Acid
  •  
    CE,UR
  •  
    In Stock
  • 2 Year Warranty
  • Sale Price: $97.19
    +FREE SHIPPING
    Amstron Replacement Backup Battery for APC RBC8 Amstron Replacement Backup Battery for APC RBC8
    • SKU:AUP-8
    • BRAND: Amstron
    SRP: $189.99
    Our Price: $179.98 (Save 15%)
  •  
    48 V
  •  
    7.2Ah
  •  
    346 Whr
  •  
    Lead Acid
  •  
    CE,UR
  •  
    In Stock
  • 2 Year Warranty
  • Sale Price: $161.98
    +FREE SHIPPING
    Amstron Replacement Backup Battery for APC RBC25 Amstron Replacement Backup Battery for APC RBC25
    • SKU:AUP-25
    • BRAND: Amstron
    SRP: $219.99
    Our Price: $215.99 (Save 12%)
  •  
    24 V
  •  
    14.4Ah
  •  
    346 Whr
  •  
    Lead Acid
  •  
    CE,UR
  •  
    In Stock
  • 2 Year Warranty
  • Sale Price: $194.39
    +FREE SHIPPING
    Amstron Replacement Backup Battery for APC RBC9 - High Capacity Amstron Replacement Backup Battery for APC RBC9 - High Capacity
    • SKU:AUP-9HC
    • BRAND: Amstron
    SRP: $104.99
    Our Price: $95.99 (Save 18%)
  •  
    24 V
  •  
    9Ah
  •  
    216 Whr
  •  
    Lead Acid
  •  
    CE,UR
  •  
    In Stock
  • 2 Year Warranty
  • Sale Price: $86.39
    +FREE SHIPPING
    Amstron Replacement Backup Battery for APC RBC25 - High Capacity Amstron Replacement Backup Battery for APC RBC25 - High Capacity
    • SKU:AUP-25HC
    • BRAND: Amstron
    SRP: $249.99
    Our Price: $239.99 (Save 14%)
  •  
    24 V
  •  
    18Ah
  •  
    432 Whr
  •  
    Lead Acid
  •  
    CE,UR
  •  
    In Stock
  • 2 Year Warranty
  • Sale Price: $215.99
    +FREE SHIPPING
    Amstron Replacement Backup Battery for APC RBC8 - High Capacity Amstron Replacement Backup Battery for APC RBC8 - High Capacity
    • SKU:AUP-8HC
    • BRAND: Amstron
    SRP: $209.99
    Our Price: $203.99 (Save 13%)
  •  
    48 V
  •  
    9Ah
  •  
    432 Whr
  •  
    Lead Acid
  •  
    CE,UR
  •  
    In Stock
  • 2 Year Warranty
  • Sale Price: $183.59
    +FREE SHIPPING

    UPS Backup Battery Tips and Articles

    UPS Backups are designed to protect servers, hubs, switches, and Phone systems in the server room as well as critical desktops, such as supervisors and fax machines in case of power outage to the network. Most UPS systems generate independent power with the use of UPS batteries, which are a configuration of sealed lead acids. Since mobility isn’t usually an issue, lead acid UPS batteries are the most economical method of providing backup power


    UPS Replacement Battery Cartridge.

    Over time UPS batteries will wear out due to sulfation and age. This leads to loss of power capacity and runtime. It is recommended that you replace your UPS battery every 2-5 years. Please refer to the owner’s manual for the specific replacement cycle of your UPS batteries. It is critical to use high quality UPS replacement batteries to avoid damage to the UPS backup system and to prevent hazardous condition. That is why AtBatt.com carries only top brands of lead acid batteries which have UL, CSA, VDE, and/or other safety certification. AtBatt.com provides a 1-year warranty on each UPS replacement battery cartridge including any wires and connectors. All connections are made with high current gas-tight crimps for excellent reliability and durability.


    UPS Battery Recycling Program

    AtBatt.com recycles used UPS backup batteries at no charge to customers. With each purchase of a UPS replacement battery from AtBatt.com, we will recycle your old batteries at no cost to you. Please properly package and ship your old batteries to our location on your receipt. If freight cost on your lead acid batteries is a factor, your local recycling center can recycle your lead acids at $.35 ~ $.50 per pound plus a nominal pick up charge. If you decide to recycle your battery through your local recycling center, please send us a copy of the recycle receipt with your order number. We will credit your account or send you a reimbursement check in an amount equal to $.35 per pound of your original order.