Compatible with OKIN, Limoss and Hmleaf and Tranquil Ease Lift Chair and Power Recline DeltaDrive and BetaDrive Motors with a two pin (flat & round) connection to the motor Input - 120V 60Hz 2.0 A Output - DC 29V 2.0A cable is included 2 Pin Motor Connection (one flat, one round) and Battery Back Up, battery is not included AC/DC Switching Power Supply Model # SP2-B Version No: 3.00.209.014.00 New designed Okin Lift Chair power supply for 24V DC Motors. Compatible with older styles 3.00.207.036.00, 3.00.210.002.00. Works with BetaDrive and DeltaDrive Okin Lift Chair Motors. Battery Back up: 9 volt batteries (batteries not included). Commonly found in Berkline lift chairs, Medlift, Pride, Golden, ALC, Action Lift Chair, Comfort Chair Company and Lazy Boy Lift Chairs. Compatible with Part Numbers: W52RA73-290018, KDDY001, KDDY008, ZB A290020-B