Plug n Play Sur-Ron / Segway controller upgrade kit with IOS/Android app for settings tuning & performance modes adjustment. Improves performance on stock battery & capable of 3 times more power with High Performance Batteries

Features:

• Phase current: 530a
• Line current: 350a
• Voltage: 48v-90v (up to 21s)
• Bluetooth smartphone app 
• Fully open software for settings adjustment
• Mount hardware & harness protective plate mod included
• SurRon connectors preinstalled
• Free tech support for setup