Castle Creations 20A BEC Pro Voltage Regulator

Castle Creations
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The Castle PRO BEC is intended for use in larger RC cars, electric aircraft, and helis that have high power demands for their radio/servo systems. It is ideal for most electric helis 500-size and larger. It will also work well in larger electric powered RC aircraft and RC crawlers and Monster Trucks that have high-powered servos.


  • Rated for up to 12S input (50.4 volts)
  • Adjustable output voltage (4.8 - 12.5V)
  • Peak Output of up to 20 amps
  • Fully adjustable using the Castle Link USB Adapter and a Windows PC
  • Length: 1.69 in (43mm)
  • Width: 1.3 in (33mm)
  • Height: .94 in (24mm)
  • Weight: 1 oz (29 grams) without wires

This product was added to our catalog on January 27, 2010.

Thursday, Sep 22 2016 (7 months ago)
Castle Creations 20A BEC Pro Voltage Regulator
I use this bec for my axial rock crawlers. Works great for the lights and servo.)
Konstantin Sladkov
Verified Owner
Saturday, Nov 15 2014 (about 2 years ago)
Castle Creations 20A BEC Pro Voltage Regulator
First of all regulator came with plastic cracked slightly and Amain (thanks a lot) refunded me the price of it after I sent them pictures of damages caused during delivery. I tested the unit, it worked well thus I used some glue and fixed cracks problem. It is installed now on Align 700 Dominator and powers 3GX unit (I do not use Align GPro on this heli) through its battry port. Although Dominators has power angry HV servos so far after about 20 flights unit works well. I recommend to buy as reliable and chip (and lightweight) replacement for expensive regs.)