Hi, I have a ryobi lawn mower 36V 46cm Brushless Lawn Mower Skin that just stopped working.. I was cutting the grass and it cut out. I thought maybe the battery died and then when I checked the battery was around 75%. I fully charged the batter but it still didn’t turn on. I checked the fuse key and the battery port to ensure there is no dust or debri and it’s all clean.. can some one help please