About Cyberpower Battery Pack OLS2000/3000E CyberPower BPSE72V45A extended battery module significantly extends runtime when used with a compatible CyberPower UPS. With rugged, industrial-grade metal construction, it can be installed even in demanding environments. Specifications: Nominal Output Voltage ( Vdc ): 72 Rated Output Current ( A ): 45 Battery Type: Sealed Lead-acid Battery Quantity ( pcs ): 12 Single Battery Voltage ( V ): 12 Single Battery Capacity ( AH ): 7 Built-in Charger: No Typical Recharge Time: 10 Hours (Depends on Connected UPS) Expansion Ready: Yes Form Factor: Tower Enclosure Construction: Metal Dimensions: 196 x 337 x 416mm Weight: 34.2Kg Certifications: CE, EAC, LOA Features: Sealed Lead-acid Batteries Metal Housing EBM Expansion Capability