Liebert PowerSure PSA500MT-120, PSA650MT-120 12V 9Ah UPS Battery - This is an AJC Brand Replacement This is an AJC Brand&#174; Replacement for a Liebert PowerSure PSA500MT-120 12V 9Ah UPS Battery Voltage: 12V (12 Volts) Capacity: 9Ah Terminals: F2