These types of batteries have been used for many things in the past, but what makes this project ... laptop. With this level of communication between the microcontroller and the battery pack ...

These types of batteries have been used for many things in the past, but what makes this project ... laptop. With this level of communication between the microcontroller and the battery pack ...

72Wh/20000mAh with 65W PD USB C Portable Laptop Charger, External Battery Pack for MacBook, Notebooks, Laptops." Yeah, it's a mouthful. But it was only $60 and offered a 100W AC outlet and 20k mAh ...