Main Parameter: 4S 4300KV 50mm EDF; maximum voltage is 16.8V; maximum current is 40A; maximum thrust is 950g; full load power is 670W; total weight is 77g; motor weight is 57g All the motor has been soldered the banana plug Buy DoBoFo EDF 50mm 3S 4900KV 11 Blades 12.6V Electric Ducted Fan... Version: 4S 4300KV 50mm EDF Maximum voltage: 16.8V Maximum current: 40A Maximum thrust: 950g Full load power: 670W EDF total weight: 77g Motor weight: 57g Recommended battery: 4S 1800mAh 35C Recommended battery and ESC: Recommended battery is 4S 1800mAh 35C; recommended ESC is 40A. Magideal 50mm Edf Duct Fan 4300Kv 11 Propeller Brushless India Ducted Fan 50mm EDF 11 Blades With Brushless Motor, Lesotho Rc Edf Jet Batteries are not included and need to be purchased separately Palette Knife P6 JAPAN Removable guide ring design,adapt to a variety of models