--- product_id: 528935380 title: "120A 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: "€ 141.15" currency: EUR in_stock: true url: https://www.desertcart.it/products/528935380-120a-waterproof-brushless-esc-electronic-speed-controller-with-5-5v store_origin: IT region: Italy --- # 120A high current capacity Waterproof design for durability 5.5V/5A BEC for stable power supply 120A 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:** € 141.15 **Availability:** βœ… In Stock ## Summary > 🚀 Command the waves with precision and power – your RC boat’s ultimate brain! ## Quick Answers - **What is this?** 120A 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?** € 141.15 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/528935380-120a-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 - β€’ **Plug & Play Power:** Equipped with XT90 4.0mm banana connectors and a robust 5.5V/5A BEC to power servos with minimal heat dissipation. - β€’ **Smart Safety First:** Multiple protections including low-voltage cutoff, over-thermal shutdown, and signal loss safeguards keep your setup safe and reliable. - β€’ **Precision Power Control:** Experience ultra-smooth throttle response with linear speed control for flawless maneuvering. - β€’ **Customizable Performance:** Set start modes and low-voltage thresholds tailored to your racing or scale boat needs with easy cycle menu programming. - β€’ **Built to Brave the Elements:** Waterproof casing ensures your ESC stays protected, rain or shine, on every RC boat adventure. ## Overview The FLYCOLOR 120A Waterproof Brushless ESC is a high-performance electronic speed controller designed for model and racing RC boats. Featuring a powerful MCU, waterproof design, and multiple safety protections, it offers smooth throttle control and customizable settings. With a 5.5V/5A BEC and XT90 connectors, it ensures stable power delivery and reliable operation in demanding aquatic environments. ## Description 120A 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-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 Β°C， output power will automatically reduce. When it's lower than 80Β°C output power will return to normal. ## Technical Specifications | Specification | Value | |---------------|-------| | Package Dimensions | 19.89 x 16.51 x 3.99 cm; 249 g | | Manufacturer recommended age | 14 years and up | | Item model number | 120A | | Assembly Required | Yes | | Batteries Required? | No | | Batteries included? | No | | tech_spec_battery_description_toys | Power source type: Battery, Voltage Range: 2-6S Lipo | | Material Type(s) | Plastic | | Colour | Black | | ASIN | B09JWMWDPT | ## Images ![120A 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/71zYWzU1f+L.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) --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.it/products/528935380-120a-waterproof-brushless-esc-electronic-speed-controller-with-5-5v](https://www.desertcart.it/products/528935380-120a-waterproof-brushless-esc-electronic-speed-controller-with-5-5v) --- *Product available on Desertcart Italy* *Store origin: IT* *Last updated: 2026-04-30*