If You have an almost new battery and for some reason it stop working, like after a crash, there is still hope to recover it, this procedure can be delicate so be careful when performing a LiPo ...

First fpv video on my channel, I'm still learning the techniques and tuning my quad, my drone is a 250 with 5 inches props, I use 3s and 4s batteries, and a Gopro hero 3 black + If You have an almost ...