I'm thinking the same...

of course the warranty is void after the previous owner messed around with it...

So I ordered a cheap chinese knockoff replacement board now and will see (in a few weeks) if that was a good idea.

thanks.

Hello! I'm new here and also new to scooters. I just bought a "broken" ES2 Lite (20km/h Version here in Switzerland) with an additional battery installed. Problem The Scooter works fine on flat terrain but it has not enough "pump" to go uphill. A few meters uphill and it goes to a halt. What do I kn...