https://shop.m5stack.com/products/battery-module-13-2-1500mah https://shop.m5stack.com/products/battery-module-13-2-1500ma... Featured yesterday on HN for bein

https://shop.m5stack.com/products/battery-module-13-2-1500mah https://shop.m5stack.com/products/battery-module-13-2-1500ma... Featured yesterday on HN for being acquired by Espressif.