APC SUA48XLBP Smart-UPS XL 48V Tower/Rack Convertible Battery battoutvolt: 48 Nominal Input Voltage: 48VDC Battery Volt-Amp-Hour Capacity: 1632 Battery Type :Maintenance-free sealed Lead-Acid battery with suspended electrolyte : leakproof This item is not for sale in Catalina Island, and is non-returnable