• 20A Brushless Speed Controller programmed for both Forward and Reverse directions (for drive motors)
• Perfectly matched to the "Brushless Mega Spark" 24mm Premium Planetary Gearmotor

 Specifications:

• Operates on BLHeli-S software
• Voltage: 7.4V - 14.8V (2-4S lipoly)
• Current: 20A continuous
• Size: 31 x 15 x 5.3mm (1.2 x 0.6 x 0.2in)
• Size with plastic case: 35.2 x 20.7 x 8.3mm (1.4 x 0.8 x 0.3in)
• Weight: 9.0grams (0.3oz)
• Motor wires: 3.5mm female bullet connectors, 70mm (2.75in) wire length.
  
• BLHeli firmware upgradable via signal wire - works with USB Linker (not V2 Linker)

• No on-board BEC. Must provide 5V to radio receiver via other ESCs or separate dedicated BEC.
• Wiring: Connect the three motor wires any way you like. If the motor is spinning backwards, swap any two wires.