Is my 24V battery compatible with this unit? All 24V batteries below 5Ah will work with all of our 24/48V units. A different Amp battery will have a different run time depending on the amperage. Related articles Will my old Plug-in charger (ICHRG24-AC) work with my new battery? Will any battery fit onto my unit? How do I adjust the cutting height on my Sun Joe Mow Joe MJ401C-XR Lawn Mower? Is there a faster charger to charge my battery? How do I know when the grass bag is full?