fimi x8 se battery connector / dual car charger

If you build this there is no warranty from me if you kill your battery/drone or anything else. I take no responsibility for any resulting failure/demage/missed profit/etc. You can only build and use your own risk.

2019.07.24. Now I used to charge many times my 2 batteries with this charger on my motorbike, without problem. What I dont like, in this "smart" charger is 2 thing:
- when the battery is about 80% charged it does not start charging it (to make the battery lifetime longer)
- when