This is the newest Lift Chair power supply model.
Okin model: PD21 AC/DC Switching Power Supply. Okin discontinued Model # SP2-B
Version No: 3.00. 209.014. 00 because of new FCC regulations. Spec's on the new model remain the same as the SP2-B version.
Input: AC 100-240V 50/60Hz 2.0A ( 1.5A )
Output: 29V, 2 amp 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: (2) 9 volt batteries (batteries not included). Also included in the power supply cord. This cord plugs into the transformer on one end and plugs into the wall on the other end. Not included is the Motor to Transformer Cable. Motor to Transformer cable is a 2 prong (one flat prong, one round prong) cable that goes from the transformer to the motor. This can be purchased separately. Also compatible with Shenzhen RBD Technology Corporation W52RA73-290018 Changzhou Kaidi Electrical Co Ltd PN: KDDY001, KDDY008, ZB A290020-B