The RADIX LI Wing Power Board is a companion to the 20x20 RADIX LI Flight Controller. Together they form the worlds smallest flight control system for RC airplanes and wings, with an integrated GRAPHICAL OSD (on-screen display)!

Make sure to read the RADIX LI Wing Kit manual to learn how to use it.


  • RADIX LI Wing Power Board
  • 10-pin cable for connection to RADIX LI Flight Controller
  • Servo headers: straight and angled
  • 25V / 470uF capacitor
  • Wire for connecting outputs 5 and 6

Technical Specifications

Battery Voltage: 3S to 5S (8V to 22V)
Maximum Current: 40A constant, 60A burst
Voltage Regulator: Integrated 5V, 3A regulator. By default, servos are powered by the ESC. The wPB has a jumper to enable powering small servos
Noise Filter: 5V, 1A filtered output for clean video (1A is shared with 5V / 3A regulator)
Current Measurement: Up to 65A (50 mV/A, current scale: 500)

ESC Output: Output for 1 x ESC on servo headers
Servo Outputs: Outputs for up to 5 servos on headers
LEDs: Output for programmable RGB LEDs
Stacking height: 5.5mm (space between RADIX LI FC and RADIX LI wPB)
PCB: 4 layer, 3oz (105um) copper per layer. HASL plating (lead-free)
Dimensions: 26.5 mm x 34 mm
Weight: 5g

Customer Reviews

Based on 1 review
Tremayne Derr
Radix-li pdb

These are great little pdb for the price. Has x2 (5v) pads, and an vbat pad. Making it super simple to power all your gear.