Flowstar 1.5 kW outboard motor Specification Specification Input power Input Voltage Rated Voltage Battery Battery type Battery capacity Battery life Charging time Battery Weight Motor Motor Weight 1.5 kW 36 V~57.6 V 48 V Lithium 936 wh 800 cycles at 100% DOD 3 Hrs (fast charger)，8 Hrs(standard charger) 5.5 kg < 12 kg PMsM Motor type permanent magnet synchronous motor Motor efficient 86% Maximum overall efficiency in % 47% Motor Control FOC Propeller 7.87''*6.54'' inch 3-blade Propeller 200mm * 166mm Propeller RPM 1800rpm Shaft length 68 cm / 26.8 inch Control handle Remote/ Tiller Trim/ Tilt Angle 0,7,14,21/70 Cooling external natural cooling IP 67 Interaction Communication CAN Intelligent interaction Bluetooth、GPS、NB over temperature, over current, over voltage, under Protection voltage, overload, locked rotor, communication failu