Bidirectional 50A 2-6s UBEC 5A 5V. It can be used in cars, ships, and underwater thrusters. No need to calibrate the throttle stroke, plug, and play. This product adopts imported components, a full power test. bidirectional 1:1 power output, no brake, direct reverse, quick response, and good handling.
Package Includes:
1 x Bidirectional 50A 2-6s UBEC 5A 5V
SpeedyBee BLS 50A 30×30 4-in-1 ESC
APM 2.8 Upgraded Flight Controller kit with GPS Module Combo Kit
Mark4 5 inch 225mm carbon fiber frame kit 






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