---
product_id: 402349697
title: "120A"
brand: "flycolor"
price: "NT$4385"
currency: TWD
in_stock: null
url: https://www.desertcart.tw/products/402349697-120a
store_origin: TW
region: Taiwan
---

# 5.5V/5A BEC Waterproof design XT90 4.0mm connector 120A

**Brand:** flycolor
**Price:** NT$4385
**Availability:** ❌ Out of Stock

## Summary

> 🌊 Dive into Performance with FLYCOLOR120A!

## Quick Answers

- **What is this?** 120A by flycolor
- **How much does it cost?** NT$4385 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/402349697-120a)

## Best For

- flycolor enthusiasts

## Why This Product

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

## Key Features

- • **🔥 Intelligent Design:** Advanced MCU technology for superior anti-interference and operational efficiency.
- • **🚀 Unmatched Performance:** Experience lightning-fast throttle response and smooth speed control.
- • **🌊 Waterproof Reliability:** Designed to withstand the elements, perfect for any RC adventure.
- • **🛡️ Ultimate Protection:** Equipped with multiple safety features to ensure reliability on the water.
- • **⚙️ Customizable Settings:** Easily adjust settings via program box or transmitter for tailored performance.

## Overview

The FLYCOLOR120A is a high-performance waterproof brushless ESC designed for model ships and RC boats. It features a powerful MCU, customizable settings, and multiple safety protections, ensuring reliable operation in various conditions. With a built-in BEC and XT90 connector, this ESC is perfect for both scale and racing boats.

## Description

Full description not available

## Features

- FlyMonster-120A Use powerful & high performance MCU. Users can set functions as their demand, fully embody Intelligent characteristics. Unique circuit design, strong anti-interference.
- Start mode can be set. throttle response fast, and it has a very smooth speed control linearity. Compatible with scale boat & racing boat .Low-voltage protection threshold value can be set.Built-in switch BEC, large power load with servo, lower power dissipation.
- Waterproof design,Multiple protection functions: input voltage abnormal protection/ low-voltage cutoff protection, over-thermal protection and throttle signal loss protection, make the ESC more reliable.
- High power safety performance: wherever the throttle lever is, the motor will not start immediately.Cycle menu setting, simple operation. Support setting with program box and transmitter.
- Over thermal protection: when ESC temperature is over 100 °C， output power will automatically reduce. When it's lower than 80°C output power will return to normal.

## Images

![120A - Image 1](https://m.media-amazon.com/images/I/71zYWzU1f+L.jpg)
![120A - Image 2](https://m.media-amazon.com/images/I/61S4AyszhyL.jpg)
![120A - Image 3](https://m.media-amazon.com/images/I/61oZ-+OlSbL.jpg)
![120A - Image 4](https://m.media-amazon.com/images/I/61KloyYwyRL.jpg)
![120A - Image 5](https://m.media-amazon.com/images/I/71kWGzJCk0L.jpg)

## Questions & Answers

**Q: ebike Compatible**
A: No, it needs water to keep it cool.

**Q: Has anyone used this for rc edf jets? i'm looking at something that requires this level of power and i'm only finding car or boat escs with the amps**
A: Hello! Happy to answer your question, the 120A ESC you see is for RC ships.
If it is used on the plane, please use this link ESC:https://www.amazon.com/dp/B09PH53WCN?ref=myi_title_dp

**Q: This esc makes me recalibrate each time i unplug power to the device. any suggestions ? it will not memorize.**
A: Hello! Thank you for telling us this question. Usually he will remember. He only needs to calibrate the throttle when he uses it for the first time. Can you tell me what remote control you use?

**Q: What size motor connection does this have? I need 4mn**
A: It's 5.5 MM. I  had to get adapters.

## Frequently Bought Together

- Flycolor 120A Waterproof Brushless ESC Electronic Speed Controller with 5.5V/5A BEC and XT90 4.0mm Banana Head Connector for Model Ship RC Boat
- KingVal Replacement 3660 2150KV Brushless Motor Shaft 5mm with Water Cooling Jacket Unit Compatible with RC Boat
- FLYCOLOR FlyMonster Programing Card for Remote Control RC Boats Ship ESC Electronic Speed Controller(70A/90A/120A/150A)

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**Shop now:** [https://www.desertcart.tw/products/402349697-120a](https://www.desertcart.tw/products/402349697-120a)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-01-26*