---
product_id: 220531717
title: "50A Bidirectional Brushless ESC 2-6S UBEC 5A 5V Electric Speed Controller for RC Car Boat Underwater Propeller"
brand: "readytosky"
price: "¥7320"
currency: JPY
in_stock: true
reviews_count: 8
category: "Readytosky"
url: https://www.desertcart.jp/products/220531717-50a-bidirectional-brushless-esc-2-6s-ubec-5a-5v-electric
store_origin: JP
region: Japan
---

# 50A bidirectional power Instant 1:1 reverse response 2-6S LiPo compatibility 50A Bidirectional Brushless ESC 2-6S UBEC 5A 5V Electric Speed Controller for RC Car Boat Underwater Propeller

**Brand:** readytosky
**Price:** ¥7320
**Availability:** ✅ In Stock

## Summary

> ⚡ Master your RC universe with instant power and precision!

## Quick Answers

- **What is this?** 50A Bidirectional Brushless ESC 2-6S UBEC 5A 5V Electric Speed Controller for RC Car Boat Underwater Propeller by readytosky
- **How much does it cost?** ¥7320 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/220531717-50a-bidirectional-brushless-esc-2-6s-ubec-5a-5v-electric)

## Best For

- readytosky enthusiasts

## Why This Product

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

## Key Features

- • **Reliable UBEC Output:** Stable 5A 5V UBEC ensures consistent power delivery to your receiver and servos.
- • **Plug & Play Powerhouse:** No throttle calibration needed—just connect and dominate your RC world.
- • **Versatile Multi-Platform Use:** Perfectly engineered for cars, boats, and underwater thrusters—one ESC to rule them all.
- • **Precision Throttle Management:** Throttle stick center start and fine trim adjustments guarantee flawless motor control.
- • **Seamless Bidirectional Control:** Experience direct reverse with zero brake lag for razor-sharp handling.

## Overview

The Readytosky 50A Bidirectional Brushless ESC supports 2-6S LiPo batteries and delivers a robust 50A continuous current with a 5A 5V UBEC output. Designed for RC cars, boats, and underwater thrusters, it features plug-and-play operation with no throttle calibration required, bidirectional 1:1 power output for direct reverse without braking delay, and precise throttle control for superior handling and responsiveness.

## Description

Bidirectional 50A 2-6s UBEC 5A 5V This product adopts imported components, full power test. It can be used in cars, ships, underwater thrusters. Bidirectional 1:1 power output, no brake,direct reverse, quick response, good handling. No need to calibrate throttle stroke, plug and play. All products contain UBEC output. Note: 1. When using, the remote control throttle remote lever must be in the middle position, otherwise it cannot start. 2. There is no need to calibrate the throttle stroke. When the electric adjustment is started, if the motor starts to rotate, you can use the remote control to fine-tune the throttle to stop the motor. Package include: 1 x 50A Bidirectional ESC

Review: Muy buen control de velocidad, arranque y precisión. Lo uso en unos Rc echos de hoverboard y aguantan muchísimo.
Review: Awesome 50amp - These thing are awesome I have two of them for a project and they haven’t caused me trouble yet

## Features

- Bidirectional 50A 2-6s UBEC 5A 5V.
- It can be used in cars, ships, underwater thrusters.
- No need to calibrate throttle stroke, plug and play.
- Bidirectional 1:1 power output, no brake,direct reverse, quick response, good handling.
- Simple Manual: 1.Throttle stick must be in center or it will not start. 2.ESC no need to calibrate throttle range. When start,if motor run,please use Throttle triming to make it stop.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08C9XHMBX |
| Best Sellers Rank | #170,719 in Toys & Games ( See Top 100 in Toys & Games ) #140 in Radio Control Vehicle Speed Controls |
| Customer Reviews | 4.1 4.1 out of 5 stars (110) |
| Item Weight | 1.76 ounces |
| Item model number | S50 |
| Manufacturer | readytosky |
| Manufacturer recommended age | 18 years and up |
| Package Dimensions | 4.57 x 3.43 x 0.83 inches |

## Product Details

- **Brand:** Readytosky
- **Item Weight:** 0.05 Kilograms
- **Manufacturer:** readytosky
- **Voltage:** 5 Volts

## Images

![50A Bidirectional Brushless ESC 2-6S UBEC 5A 5V Electric Speed Controller for RC Car Boat Underwater Propeller - Image 1](https://m.media-amazon.com/images/I/71GZbiHRY4L.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by O***A on April 29, 2025*

Muy buen control de velocidad, arranque y precisión. Lo uso en unos Rc echos de hoverboard y aguantan muchísimo.

### ⭐⭐⭐⭐⭐ Awesome 50amp
*by G***Y on April 18, 2025*

These thing are awesome I have two of them for a project and they haven’t caused me trouble yet

### ⭐⭐⭐⭐⭐ Even though One failed, the replaced it quickly!
*by B***A on February 4, 2023*

Update to this review: ReadyToSky was good enough to send me a new ESC, even though it was out of Warranty. Thankyou!! I tested the new one provided by ReadyToSky, and it works perfectly! I am grateful they responded so quickly to help my situation! I will try out the new ESC once I receive it, and update review accordingly. I wanted to like this, but I shorted out and almost started on fire the first time I tried to use it. I bought two of these. One worked fin

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.jp/products/220531717-50a-bidirectional-brushless-esc-2-6s-ubec-5a-5v-electric](https://www.desertcart.jp/products/220531717-50a-bidirectional-brushless-esc-2-6s-ubec-5a-5v-electric)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-03*