Power 1 kW (3HP equivalent) Input Voltage 39V - 60V Standard Battery Spirit Battery Plus, 1276 Wh li-ion polymer Motor Weight 10.6 kg / 23.4 lbs Battery Weight 8.7 kg / 19.2 lbs Charing Time Standard charger: 8.5 Hrs Fast charger: 3.5 Hrs External Battery Yes, and E-Series Battery recommended Propeller 11″ × 5.8″ 2-blade composite propeller Trim / Tilt Angle 0°, 7°, 14°, 21° / 70° Shaft Length Extra Short, Short, Long Motor Brushless DC motor Direct Drive Yes Maintenance-Free Yes