battery bms firmware isn't right. rental bms firmware 346 cuts discharge current when it detects current draw under load. gotta crack open the battery to get at the debug pins and put that stlink to work. spin ain't no dummies... earlier versions had normal retail bms firmware 134 but they changed u...

yeh it's exactly what you said it was... ninebot snsc 2.1 aka ninebot max g30p, all that hardware in the pictures can be flashed by way of stlink.