Is it time to replace the batteries in the UPS?

Typical UPS battery life is 3 to 5 years. This is dependent on a number of factors, including:

  • Temperature where the unit is located
  • Total number of times the battery is fully discharged
  • Utility power quality: poor quality leads to shorter life
  • Proper Maintenance: 4 to 6 full discharges per year recommended
Buy Minuteman Replacement Batteries
Buy from Minuteman:
Choose your UPS Series:
  Buy from your distributor or retailer:
Or, order by contacting our Support team: support@minutemanups.com or 800.238.7272, option 1.

Battery Replacement Information


  1. How-to Videos
  2. New Batteries vs. New Unit
  3. Troubleshooting / Installation
Learn how to test and replace your UPS batteries
Battery health is critical to UPS function. This video outlines when batteries should be replaced, and how to replace the batteries in the Minuteman EnSpire, Entrust, and PRO-LCD Series UPSs. Where to buy replacement UPS batteries is also covered.
Battery health is critical to UPS function. This video outlines when batteries should be replaced, and how to replace the batteries in Minuteman's rackmount PRO-RT, EnterprisePlus, and Endeavor Series UPSs. Where to buy replacement UPS batteries is also covered.
New Batteries vs. New Unit

Minuteman battery backup system hardware is designed to function properly well beyond the life of the factory installed batteries. This makes battery replacement a cheaper and environmentally friendly option in most cases.

For smaller units, however, the cost of batteries often approaches the price of a replacement unit. Here are some factors to consider when deciding whether to replace the batteries, or replace the whole unit.

Batteries Only Complete Unit
Total Cost Varies by model. Compare:
Replacement battery price under "Online Ordering" above vs.
New unit price from your distributor or reseller
Hardware Age Designed to outlive batteries;
Unless faults have occurred, likely no problems
All-new hardware, guaranteed trouble-free operation
Warranty 90 days battery +
any remaining hardware warranty
Full 3-years hardware
w/ 3-yr non-prorated battery
(2-year EnSpire & Entrust)
Environmental Impact Conserves resources by replacing only worn-out pieces Generates additional waste from full unit


Purchase a new Minuteman Battery Backup Unit

If unit replacement is the best option for you, visit our products page to see which UPS is the best replacement for your current unit.

Legacy Product Cross Reference
The table below provides a cross reference for many popular Minuteman product lines which are no longer in production:

 

Legacy Product Current Product
MN Series EnSpire Series 400-900VA
MBK Series
MBK-E Series
Entrust 500VA-1500VA Series
PRO Series
PRO-E
PRO-LCD 500VA-1100VA Series, PRO-RT 1000VA-1500VA Series
Enterprise Series EnterprisePlus 750VA-3kVA Series
MCP Series
MCP-E Series
Endeavor 6 & 10kVA Series
XRT Series Endeavor 1-3kVA Series
Troubleshooting & Battery Installation Guides

Minuteman User Manuals offer complete information on diagnosing weak or bad batteries, along with providing the complete procedure for battery replacement.

Choose your UPS product line from the dropdown below to download a PDF version of your Minuteman user manual.

 


Further Information

More information to help troubleshoot Minuteman battery backup products is available in the troubleshooting section of our FAQs page.


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