---
product_id: 551118784
title: "90A Waterproof Brushless ESC Electronic Speed Controller with 5.5V/5A BEC and XT90 4.0mm Banana Head Connector for Model Ship RC Boat"
brand: "flycolor"
price: "AR$289763"
currency: ARS
in_stock: true
url: https://www.desertcart.com.ar/products/551118784-90a-waterproof-brushless-esc-electronic-speed-controller-with-5-5v
store_origin: AR
region: Argentina
---

# 90A high current capacity Waterproof design for all-weather use 5.5V/5A BEC for stable power supply 90A Waterproof Brushless ESC Electronic Speed Controller with 5.5V/5A BEC and XT90 4.0mm Banana Head Connector for Model Ship RC Boat

**Brand:** flycolor
**Price:** AR$289763
**Availability:** ✅ In Stock

## Summary

> 🚤 Command the waves with precision and power!

## Quick Answers

- **What is this?** 90A Waterproof Brushless ESC Electronic Speed Controller with 5.5V/5A BEC and XT90 4.0mm Banana Head Connector for Model Ship RC Boat by flycolor
- **How much does it cost?** AR$289763 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/551118784-90a-waterproof-brushless-esc-electronic-speed-controller-with-5-5v)

## 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

- • **Safety First:** Multiple protections including low-voltage cutoff, over-thermal shutdown, and signal loss guard your investment.
- • **All-Weather Ready:** Waterproof casing ensures uninterrupted performance even in wet conditions.
- • **Smart & Customizable:** Intelligent MCU with programmable settings for tailored throttle response and start modes.
- • **Powerhouse Performance:** 90A brushless ESC delivers robust, reliable power for high-speed RC boats.
- • **Plug & Play Convenience:** XT90 4.0mm banana connectors and cycle menu settings make setup effortless and fast.

## Overview

The FLYCOLOR 90A Waterproof Brushless ESC is a high-performance electronic speed controller designed for RC model ships and racing boats. Featuring a powerful 90A current capacity, waterproof housing, and a 5.5V/5A BEC, it offers smooth throttle control, customizable settings via MCU, and multiple safety protections including over-thermal and low-voltage cutoffs. Its XT90 connectors and user-friendly programming make it ideal for serious hobbyists seeking reliable, all-weather speed control.

## Description

90A Waterproof Brushless ESC Electronic Speed Controller with 5.5V/5A BEC and XT90 4.0mm Banana Head Connector for Model Ship RC Boat

## Features

- FlyMonster-90A 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Package Dimensions | 20.4 x 16.51 x 3 cm; 141 g |
| Manufacturer recommended age | 14 years and up |
| Item model number | 90A |
| Batteries Required? | No |
| Batteries included? | No |
| Material Type(s) | Electronic components, waterproof plastic casing |
| Colour | Black Or Dark Grey |
| ASIN | B09JWP3F26 |

## Images

![90A Waterproof Brushless ESC Electronic Speed Controller with 5.5V/5A BEC and XT90 4.0mm Banana Head Connector for Model Ship RC Boat - Image 1](https://m.media-amazon.com/images/I/71m30ezahML.jpg)
![90A Waterproof Brushless ESC Electronic Speed Controller with 5.5V/5A BEC and XT90 4.0mm Banana Head Connector for Model Ship RC Boat - Image 2](https://m.media-amazon.com/images/I/61DUZgQ5qSL.jpg)
![90A Waterproof Brushless ESC Electronic Speed Controller with 5.5V/5A BEC and XT90 4.0mm Banana Head Connector for Model Ship RC Boat - Image 3](https://m.media-amazon.com/images/I/712vneMqHeL.jpg)
![90A Waterproof Brushless ESC Electronic Speed Controller with 5.5V/5A BEC and XT90 4.0mm Banana Head Connector for Model Ship RC Boat - Image 4](https://m.media-amazon.com/images/I/61XLiuvZLbL.jpg)
![90A Waterproof Brushless ESC Electronic Speed Controller with 5.5V/5A BEC and XT90 4.0mm Banana Head Connector for Model Ship RC Boat - Image 5](https://m.media-amazon.com/images/I/6153PX8WxjL.jpg)

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**Shop now:** [https://www.desertcart.com.ar/products/551118784-90a-waterproof-brushless-esc-electronic-speed-controller-with-5-5v](https://www.desertcart.com.ar/products/551118784-90a-waterproof-brushless-esc-electronic-speed-controller-with-5-5v)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-01-22*