Pro tip: Most Wall AC Adapters will operate at 48V. This has been used by the ebike community for a while to power lights and accessories. I use an 120VAC mole

Pro tip: Most Wall AC Adapters will operate at 48V. This has been used by the ebike community for a while to power lights and accessories. I use an 120VAC molex hdd ac adapter to get 12V and 5VDC out of 48V batteries.