a little update. I noticed in Ninebot flasher that both my batteries had the same BMS serial number. so I decided to write a new serial number on the external battery. Ninebot flasher displayed the new SN but when I connected both batteries on the scooter they were reading no serial number at all in...

hello everyone. my snsc1.0 scooter works perfectly without the external battery. now here's the problem 1. the external battery does not charge outside the scooter 2. when I install it on the scooter it gives me error 42. I can ride the scooter but because of error 42 it beeps and blinks and most im...