APC RBC3 REPLACEMENT BATTERY 3 REPLACEMENT BATTERY CARTRIDGES (RBCS) ARE USER REPLACEABLE AND HOT SWAPPABLE. EACH RBC IS A COMPLETE SET OF TESTED AND CHARGED BATTERIES FOR YOUR APC UPS. WITH THE PURCHASE OF EACH RBC, YOU WILL ALSO GET FREE FREIGHT BACK TO APC FOR THE DISPOSAL OFYOUR USED BATTERIES IN THE US.
