The 24 volt 3.0 amp on-board battery charger for the C.T.M. HS-2800 power chair mounts inside of your scooters compartment so you cannot accidentally misplace or forget where you left it. The stress-free convenience of an on-board battery charging system cannot be denied, and this 24 volt 3.0 amp beauty is ready to put the power back into your HS-1000 power chair's batteries.