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How to Replace the Battery in a 2U UPS System

Important Information

  • Batteries can present a risk of electrical shock and burn from high short-circuit currents. Do not dispose of batteries in case of a fire. Do not open the UPS or batteries. Do not short or bridge the battery terminals with any object.
  • During hot-swap battery replacement, the UPS will not provide backup power in the event of a blackout or other power interruptions.
  • Do not operate UPS without the correct batteries.

Step 1

Using a Philips screwdriver, remove the front panel's 4 screws located at each corner.

Step 2

Disconnect the batteries from the unit.

Step 3

Remove and properly dispose of old batteries.

Note: The batteries are recyclable. For information on battery recycling, you may check with a battery recycler in your area or contact Battery Solutions, Inc., (7266 Kensington Road, Brighton, Michigan 48116) by phoning 1 (800) 852-8127 or visiting their website at:

Step 4

Install new batteries.

Step 5

Reconnect batteries by attaching the connectors from the unit to the batteries (black-to-black and red-to-red).

Step 6

Re-attach the front panel and its 4 screws using a Phillips screwdriver.

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