Plugable’s 7-port hubs. They can simultaneously transmit data and charge at 1.5A on all ports, or alternately charge at up to 2.4A with no host uplink.

Plugable’s 7-port hubs. They can simultaneously transmit data and charge at 1.5A on all ports, or alternately charge…

One thing about LEDs is that they don’t have a very good emission spectrum - very much peaks and troughs. The halogen will operate like a black body radiator, generating a continuous spectrum.