The CyberPower BP36V60ART2U rack/tower convertible Extended Battery Module (EBM), which extends battery runtimes during power outages, is designed for Smart App Online UPS systems OL1000RTXL2U and OL1500RTXL2U. This EBM takes 2U of rack space and can be installed in a rack or tower configuration to match the UPS form factor. It also has a built-in battery charger, providing Fast Charge Technology to quickly restore the backup power supply to full capacity.