PowerWalker BP I48R-Lithium is a lithium battery pack for PowerWalker VFI 1000 and VFI 1500 LICR IoT uninterruptible power supplies. It is listed as model 10134075 and provides a battery pack option for these UPS models.
The pack measures 445 × 438 × 43 mm (depth × width × height), useful when checking space for installation. The listing states internal-battery backup times of 20 minutes at half load and 10 minutes at full load. This is a model-specific battery pack for the named UPS range.