Good evening,
I have recently inherited a table lamp - https://www.amazon.co.uk/gp/product/B0B3LPDFST/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1
which came with a power supply (see photo). The power supply is rated at 11V at 0.5A, 5.5W max, max 12V.
The cable was too short so I bought a...