Some of us like to experiment and find better ways of doing things but sometimes all we need is the basics. This PDF file was put together by a friend on facebook. He and I build UAV's from the frame up and he is very up on battery care. We both have done reviews for after market Autel products because we like to experiment and expand. We gained what knowledge we have through experience and research. For those just coming into the hobby of RC and yes these UAV's are just RC toys nothing more, nothing less you should follow Heath Lawrence's tutorial on battery care. This has been approved by Autel so your warranty is covered in this.