Will my old Plug-in charger (ICHRG24-AC) work with my new battery? Newer batteries come with smaller entry points for plug-in chargers, we would recommend using the newer charger (24VCHRG-QC) as it'll fit onto all of our 24V series batteries. Related articles Is there a faster charger to charge my battery? Is my 24V battery compatible with this unit? How do I know when the grass bag is full? Can I use disinfectants as detergent with my pressure washer? Can you remove the batteries from this unit?