---
product_id: 14165496
title: "BW RC Servo BEC UBEC 3A 5V for Helicopter Airplane Receiver Servo Power Supply"
brand: "buengna"
price: "$2"
currency: NZD
in_stock: false
reviews_count: 8
url: https://www.desertcart.nz/products/14165496-bw-rc-servo-bec-ubec-3a-5v-for-helicopter-airplane
store_origin: NZ
region: New Zealand
---

# 5V / 3A Output 43 x 17 x 7mm Size 11g Lightweight BW RC Servo BEC UBEC 3A 5V for Helicopter Airplane Receiver Servo Power Supply

**Brand:** buengna
**Price:** $2
**Availability:** ❌ Out of Stock

## Summary

> 🚀 Elevate Your Experience with Unmatched Power!

## Quick Answers

- **What is this?** BW RC Servo BEC UBEC 3A 5V for Helicopter Airplane Receiver Servo Power Supply by buengna
- **How much does it cost?** $2 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/14165496-bw-rc-servo-bec-ubec-3a-5v-for-helicopter-airplane)

## Best For

- buengna enthusiasts

## Why This Product

- Trusted buengna brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact Design:** At just 43 x 17 x 7mm, it fits perfectly in any setup.
- • **Smart Protection:** Built-in over-current and over-temperature safeguards keep your devices safe.
- • **Power Up Your Flight:** Experience a reliable 5V / 3A output for seamless operation.
- • **Featherlight Performance:** Weighing only 11g, it won’t weigh you down.
- • **Electromagnetic Shielding:** Enjoy uninterrupted performance with reduced interference.

## Overview

The BW RC Servo BEC UBEC is a high-efficiency power supply designed for RC helicopters and airplanes, providing a stable 5V / 3A output while ensuring safety with advanced protection features. Its compact and lightweight design makes it an essential component for any serious hobbyist.

## Description

Specifications: Output Voltage: 5V / 3A  Input: 5.5V-26V (2-6 cells Li-Po battery pack or 5-15 cells Ni-MH battery pack) Lightweight and compact  Size: 43 x 17 x 7mm, Weight: 11g  Electronic devices are protected by shielding, which greatly reduces electromagnetic interference and ensures the normal operation of the receiver Designed with switching power supply structure(frequency: 300KHz), over-current and over-temperature protection, and the chip efficiency is as high as 92% It has the protection function to prevent the polarity of the power supply. If the power supply is accidentally connected, will not damage the UBEC Advantages of comparison with traditional BEC: Use the switch power supply way of BEC and Use the linear regulator of BEC, compared advantages mainly reflects in: when using the above 3 series (11.1 V) battery, BEC fever can be greatly reduced, and improve overall efficiency Attention: ★Notice: This is not an electrical switch, just independent UBEC, can't connect the motor Package includes: ☺1 x BW 5V 3A UBEC If there is anything puzzles you about the listing page, please feel free to contact us. Global-store brand products have been well tested before delivery, but we cannot 100% guarantee the items when delivered to you. Any problem please feel free to contact us through  Email System and we will do our best to serve you.

## Features

- Output Voltage: 5V / 3A; Size: 43 x 17 x 7mm; Weight: 11g; Input: 5.5V-26V (2-6 cells Li-Po battery pack or 5-15 cells Ni-MH battery pack)
- Electronic devices are protected by shielding, which greatly reduces electromagnetic interference and ensures the normal operation of the receiver
- Lightweight and Compact. ★Notice: This is not an electrical switch, just independent UBEC, can't connect the motor
- Designed with switching power supply structure(frequency: 300KHz), over-current and over-temperature protection, and the chip efficiency is as high as 92%
- It has the protection function to prevent the polarity of the power supply. If the power supply is accidentally connected, will not damage the UBEC

## Images

![BW RC Servo BEC UBEC 3A 5V for Helicopter Airplane Receiver Servo Power Supply - Image 1](https://m.media-amazon.com/images/I/51kRkEtRipL.jpg)
![BW RC Servo BEC UBEC 3A 5V for Helicopter Airplane Receiver Servo Power Supply - Image 2](https://m.media-amazon.com/images/I/51B-7sGSu0L.jpg)
![BW RC Servo BEC UBEC 3A 5V for Helicopter Airplane Receiver Servo Power Supply - Image 3](https://m.media-amazon.com/images/I/61A1IIZ6IZL.jpg)
![BW RC Servo BEC UBEC 3A 5V for Helicopter Airplane Receiver Servo Power Supply - Image 4](https://m.media-amazon.com/images/I/51B-7sGSu0L.jpg)
![BW RC Servo BEC UBEC 3A 5V for Helicopter Airplane Receiver Servo Power Supply - Image 5](https://m.media-amazon.com/images/I/416StqNY2IL.jpg)

## Questions & Answers

**Q: Which side is input and which is output?**
A: The side with the servo connector is the output and the side with the wires with no connector is the input

**Q: The specifications say the input range is from 5.5v to 26v, yet the sticker on the package says 5v-23v. which is it? i have a 24v supply**
A: I also have this question. I am running on 6s which is 25.2V max. I already ordered these and was confused when the product says 23V on the BEC, but the seller advertises 6s. I appreciate that someone looked at the chip spec and says it's 26V max, 23V recommended, but what does that mean? Can I run it on 6s or not? is it gonna explode, have reduced life, over-volt my components?

**Q: my esc already has a plug, but does not have a built in bec. what should i do? do i just wire it into my two esc wires? and forget about the other one**
A: The plain red and black wires (no connectors) should be connected to your battery. This could be through a plug you install with a Y harness at the battery or by soldering them to the red and black input wires on your ESC (the two connecting to the battery, not the 3 going to the motor). Typically, the output side of the BEC (the wires with the connect) plugs into an open port on your receiver, but be sure to check that this will work on your specific setup.

**Q: So i can plug the connector to my reciever and connect a lipo to the wires on other end and power my servos? I dont plan to run a motor only servos.**
A: Yes. I am using this on a nitro powered plane. I threw out the old NiCd pack and am using a Lipo to power the reciever and servos. It works great. If you have a switch put the regulator after the switch.

## Customer Reviews

### ⭐⭐⭐⭐⭐ very nice for combat robots
*by R***T on August 3, 2023*

Surprisingly good for combat robots, since many of their escs and transmitters don't have BEC circuits. Can drive anything and is nice and sturdy compared to other BECs

### ⭐⭐⭐⭐⭐ Simple and Strong.  Voltage is a bit higher when lightly loaded, but it holds in there at 5V when loaded down.
*by D***S on July 29, 2017*

Puts out 5.2V when lightly loaded but holds in great at 5.0V when loaded down by my receiver and 6 digital servos all at full diflection. Works great and servos maintain there fast speed. The description says there is an LED indicator, mine did not have one or it was not working; that didn't matter for to me for my application.

### ⭐⭐⭐⭐⭐ Great product
*by D***R on January 20, 2019*

This work real good easy to install make sure you get a Raspberry Pi pinout diagram so you know where to put the plugUpdate !!!I hooked it to my 24 volt power supply corn my 3D printer and fried it which is my fault because it says 23 volt Max so I'm not blaming this thing still a great product

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-03-07*