High quality internal battery to replace your upl0749a compatible rbc6 ups battery 2 x 12v 12a batteries in one block comes with connecting cable harness and 60a fuse guaranteed to meet or exceed the original manufacturers specifications for the upl0749a internal battery get extra performance using a spare upl0749a 2 x 12v 12ah cells with cable harness replaces apc rbc6 plug in and go this ups battery kit comes with cable harnesses