I haven't tried this personally so don't shoot the messenger.
Some guy on Facebook stated that he is using this simple and inexpensive wireless "charger" to wirelessly connect the LED lights on his body to the power source on the truck. It's not the smallest item, but it is cheap.
https://www.seeedstudio.com/Wireless-Charging-PCB-Module-5-12V-p-1913.html
Some guy on Facebook stated that he is using this simple and inexpensive wireless "charger" to wirelessly connect the LED lights on his body to the power source on the truck. It's not the smallest item, but it is cheap.
https://www.seeedstudio.com/Wireless-Charging-PCB-Module-5-12V-p-1913.html