OPTI-UPS DS12KB31 Replacement UPS Battery Set

Replacement battery set specifically for OPTI-UPS DS12KB31 uninterruptible power supplies. Restores the backup power and runtime of units using the DS12KB31 battery pack and is intended as a direct swap for depleted or failing batteries. Simple to install in the existing UPS battery compartment and suitable whenever the original DS12KB31 batteries need replacement.