Meet the GoSun Solar Seat: a sunlight powered heated seat that keeps you warm on cold winter days. It is powered by a Power 74wh battery. This seat lasts up to 6 hours on battery. It has a 18W heater and can be used on the ground or any chair.
This seat has 3 heat settings. Its angle is easily adjustable. It has an integrated 20W solar panel and has a 12v port. It comes with a USB-a port for your other devices. You can find out more about it here.