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What is the difference between AC & DC Motors?

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What is the difference between AC & DC Motors?

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For many years all lift chairs used AC motors, which were 120-volt motors, with 120 volt hand controls. Now a large number of lift chairs have the DC motor (low volt), where the chair is plugged in to a 120 volt power outlet and there is a transformer between the plug and the motor, which reduces the voltage in the chair to 24 volts. There is a difference of opinions as to which motor is stronger or lasts longer. From Med-Lift’s experience, there is no noticeable difference. The main difference is the DC (low volt) is much quieter. What is rechargeable battery backup? Battery backup is on most DC low volt motors. It consists of usually two 9-volt batteries, sometimes located on the motor, but most times in the transformer. These batteries will bring the chair out of the reclined position in case of a power outage. The negative is, after using the batteries one time, or at least once a year, the batteries must be replaced. In Med-Lift’s experience, most people forget to replace the batt

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