In one of the images on the product page, there is a label that says "Rechargeable Lithium Battery Header":
https://spotpear.com/shop/Raspberry-Pi-Jetson-Nano-Sunrise-X3-Pi-Pwnagotchi-2.13inch-e-Paper-HAT+E-Ink.html
https://cdn.static.spotpear.com/uploads/picture/product/raspberry-pi/raspberry-pi-e-paper-lcd/2.13inch-e-Paper-HAT+/2.13inch-e-Paper-HAT-plus-details-03-EN.jpg
Could you please clarify what this header is used for? Also, is there any documentation available about it?
