---
product_id: 413661439
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: "C$6972"
currency: NIO
in_stock: true
url: https://www.desertcart.ni/products/413661439-90a-waterproof-brushless-esc-electronic-speed-controller-with-5-5v
store_origin: NI
region: Nicaragua
---

# 90A high current capacity Waterproof design 5.5V/5A BEC power output 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:** C$6972
**Availability:** ✅ In Stock

## Summary

> 🚤 Command the waves with power and precision!

## 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?** C$6972 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/413661439-90a-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

- • **Plug & Play Convenience:** Easy cycle menu settings with program box or transmitter compatibility for quick setup.
- • **Robust Waterproof Build:** Race worry-free with a fully sealed ESC designed to conquer water and interference.
- • **Intelligent Customization:** Set start modes and low-voltage thresholds tailored to your racing style.
- • **Precision Throttle Control:** Experience ultra-smooth, linear speed adjustments for flawless boat handling.
- • **Advanced Safety Protections:** Stay secure with over-thermal, low-voltage, and signal loss safeguards.

## Overview

The 90A Waterproof Brushless ESC features a high-performance MCU for customizable intelligent control, a robust waterproof design, and multiple safety protections including over-thermal and low-voltage cutoffs. It delivers smooth throttle response with a 5.5V/5A BEC output and uses an XT90 4.0mm banana connector, making it ideal for scale and racing RC boats.

## 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.

## 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)

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**Shop now:** [https://www.desertcart.ni/products/413661439-90a-waterproof-brushless-esc-electronic-speed-controller-with-5-5v](https://www.desertcart.ni/products/413661439-90a-waterproof-brushless-esc-electronic-speed-controller-with-5-5v)

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-02-12*