Replacement Battery Set for OPTI-UPS DS15KB31 UPS

Replacement battery set specifically for the OPTI-UPS DS15KB31 UPS. This complete battery pack is designed as a direct fit for the DS15KB31, allowing you to replace depleted cells and restore your UPS to proper backup operation. Installation is straightforward—engineered to match the original battery compartment and connector layout. Ideal when your OPTI-UPS DS15KB31 requires new batteries to recover full functionality. Please verify the model number DS15KB31 matches your unit before purchasing.