Will my (ICHRG24-AC) plug-in charger compatible with the 24V Battery Series? No, the old charger has a larger plug than the new battery's charging port. It is recommended to use the new charger (24VCHRG-QC) instead, as it is compatible with all of our 24V series batteries. Related articles What type of motor does the 24V-SS13 include? New Charger will only have two Prongs (24VCHRG-QC) What are the different light modes and their applications? What power supply is needed to power the 24V-SS13? What should I do if my Blower Joe SBJ601E doesn’t turn on?