APC Back-UPS 650M BK650MI BK650MUS 12V 12Ah UPS Battery - This is an AJC Brand Replacement This is an AJC Brand&#174; Replacement for a APC Back-UPS 650M BK650MI BK650MUS 12V 12Ah UPS Battery Voltage: 12V (12 Volts) Capacity: 12Ah Terminals: F2