The new SpeedyBee BLS 50A 3-6S 30x30 4in1 ESC comes packed with extras. The ESC is built with TVS protective diode to absorb the voltage spike when you plug in the battery, or during crashes that block your props. It also provides a humongous 1500uF low ESR capacitor. 

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Specifications

BLS 50A 3-6S 4in1 ESC

• Firmware: SpeedyBee BLS 50A
• Continuous Current: 50Ax4
  
• Burst Current: 55A(5S)
• Power input: 3S - 6S LiPo
  
• Power output: VBAT
  
• Current Sensor: Supported (Scale=386 Offset=0)
• Mounting: 30.5x0.5mm, 4mm hole size
  
• Dimension: 45.6(L)x44(W)x6.1mm(H)
  
• Weight: 13.8g with heat sink

Includes

• 1x BLS 50A 4in1 ESC
• 1x 35V 1500uF low ESR capacitor
• 5x Silicone O-ring M3
• 1x XT60 70mm power cable
• 1x SH1.0mm 8pin 30mm Cable
• 5x Silicone grommet M3*8.1mm

Wiring diagram