Ideal for both the Raspberry Pi and the Jetson Nano this buck converter will efficiently provide 5 Amps at 5 Volts to a raspberry Pi from your battery pack. Important note - A 3S LiPo battery or a power source greater than 9 volts is highly recommended for this to work properly. A 2S or a 7.2V NiCd battery will usually not work. This converter also conveniently has a USB port for powering the Raspbery Pi or Jetson nano with a USB A to micro USB cable or you can use the Jetson Nano barrel power connector to take full advantage of the 4A using these screw terminal barrel connector.
LiPo battery warning: LiPo batteries are dangerous and can catch fire. Please follow the safety recommendations of the battery you purchase. If in doubt, use NiCd batteries.