Hi guys anyone can help me with my project, I am trying charge a laptop batery trow usb 5v 2.1 amp.Can I make it with the board from a chinese power bank 8x18650 like that https://ift.tt/2qRNrKK. If any one has a better option will be happy if shares :) via /r/DIY https://ift.tt/2qLhjsX
