29 V DC input vs 5 V USB output explained
Do not mistake a recliner's incoming supply rating for its USB charging socket.
Four checks before buying
- Read the exact INPUT and OUTPUT labels.
- Record voltage and rated current together, with units.
- Treat USB charging separately from movement-control connections.
- Never improvise adapters or wiring to test an unverified part.
What the DK-08-01 actually says
The submitted DK-08-01 label states INPUT: DC 29 V 2 A and OUTPUT: DC 5 V 2.1 A. The two lines describe different functions of the labelled component. The 5 V output relates to USB charging; it is not an alternative 29 V supply for the chair's motor.
These printed values are specific to this label. They are not a universal specification for all recliner electronics.
A voltage match is not a fitment test
The same nominal DC voltage can appear on different furniture systems. It does not identify connector polarity, pin assignment, firmware or control signals. A matching USB port can still belong to a different switch or controller variant.
When to involve a professional
Do not connect 29 V to a USB socket or substitute improvised power supplies. If cables are damaged, anything overheats, or movement behaves unexpectedly, stop use and consult the furniture manufacturer or qualified technician.
Frequently asked questions
Can a USB charger replace the 29 V supply?
No. A 5 V USB port and a 29 V DC input have different purposes.
Do equal 29 V labels mean two switches fit?
No. Electrical ratings alone do not demonstrate pinout or control compatibility.
Related model records
These are identification examples, not an approved replacement list.
Manufacturer references
Manufacturer background for product families, not blanket fitment approval.