User Manual

ManualsBrandsAPC ManualsAutomotiveAPC UPS Battery Replacement for APC Back-UPS Models BE500R, BE550MC, BK300C, BK350, BK500, BK500BLK, BK500M, BK500MC, BK500MUS, and SC420, SU420NET (RBC2)

1

2

3

4

5

6

7

Battery Cartridge Replacement 7

BX650xx-xx

1. Remove screws from bottom of the front panel of the UPS. Slide the front panel upwards to

remove it.

2. Detach the red and black wires from the battery.

3. Replace with a new battery. Connect the wires: red to the “+” terminal and black to the “-”

terminal. Reassemble the UPS.