BatteryGuy 12 volt 7.5 ah replacement rechargeable battery for UPStationD PSP 500. Fast nationwide delivery available. It meets or exceeds the UPStationD PSP 500 UPS specifications defined by the Original Equipment Manufacturer, but at a much lower price. (This is one Battery, Please verify quantity needed for your application before ordering). Type: High Rate / Chemistry: Rechargeable Sealed Lead Acid / Dimensions: 5.94 L x 2.56 W x 3.70 H / Height with terminals: 3.94 H / Connector Type: F2