Replacement Battery Set for OPTI-UPS DS10KB31 UPS

Direct replacement battery set for the OPTI-UPS DS10KB31 UPS. This kit is made to restore the backup power capability of an OPTI-UPS DS10KB31 unit by replacing depleted or damaged batteries. Designed as a direct fit for the DS10KB31 series, it provides a straightforward swap to recover runtime and reliability for your UPS. Ideal when batteries are past their service life or after a failure, the set lets you quickly return the UPS to normal operation without modifications.