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Item #:
87118332
MJX E45B Brushless Motor Electric Speed Controller 45A Smart 2S/3S ESC with Heatsink RC Car Accessories, Spare Parts for 14301, 14302, 14303
Item #:
87118332
GMD 3529
Price Details
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Order now and get it around Sunday, August 23
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MJX has always been a pioneer in the RC industry, and with many years of tradition of developing innovative technology, whether you're looking to reclaim your child's innocence or have fun with your family, MJX has built a product you can count on.
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What Stands Out
Smart Temperature Control
Equipped with advanced temperature regulation, preventing overheating and ensuring optimal performance during high-speed runs, providing peace of mind for RC enthusiasts.
High Current Rating
Capable of handling up to 45A, this ESC offers superior power management, ideal for demanding RC cars, resulting in better acceleration and overall speed.
Versatile Compatibility
Designed for 2S/3S configurations, this ESC is compatible with a broad range of RC models, including 14301, 14302, and 14303, enhancing its value for varied setups.
Product Details
| Product Dimensions (L x W x H) | 0.2 x 0.2 x 0.2 inches (0.5 x 0.5 x 0.5 cm) |
| Item Weight | 1.6 ounces (45.36 grams) |
| Item model number | MJXE45B |
| Manufacturer recommended age | 14 years and up |
| Manufacturer | MJX |
Who Should Buy?
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RC Car Enthusiasts
Ideal for hobbyists seeking reliable, high-performance speed controllers for enhanced speed and maneuverability in competitive racing.
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Upgrade Seekers
Those wanting to upgrade their existing RC cars will find this ESC significantly improves performance and thermal management.
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DIY Builders
Perfect for users building custom RC vehicles, as it easily integrates with various brushless motors and setups.
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Beginners
Novice users may struggle with installation and configuration without prior experience handling similar advanced components.
Product Description
MJX E45B Brushless Motor Electric Speed Controller 45A Smart 2S/3S ESC with Heatsink RC Car Accessories, Spare Parts for 14301, 14302, 14303
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the MJX E45B Brushless Motor Electric Speed Controller?
Answer: The MJX E45B is a 45A electric speed controller (ESC) designed specifically for brushless motors in RC vehicles. Its smart technology allows for precise control over motor speed and direction, enhancing the overall performance of your RC car. With a heatsink integrated, it effectively dissipates heat, ensuring stable operation during high-speed runs. This makes it suitable for models like the 14301, 14302, and 14303, where efficient power management is crucial. -
Question:
What makes the MJX E45B ESC suitable for RC cars?
Answer: The MJX E45B is designed with a robust 45A current rating and compatibility with both 2S and 3S LiPo battery types, making it versatile for various RC setups. Its smart ESC features include protection from overcurrent and overheating, ensuring your car runs smoothly during intense conditions. For instance, hobbyists using it in competitive racing can rely on its consistent performance, while casual users enjoy its adaptability in different terrains. -
Question:
Can the MJX E45B ESC be used with any brushless motor?
Answer: While the MJX E45B can work with a variety of brushless motors, it's essential to match the ESC's specifications with your motor's requirements. The ESC supports motors that operate within a 45A range, making it ideal for mid-range power setups. Always check your motor’s specifications to ensure compatibility for the best performance. This compatibility allows for a smoother driving experience whether you're using it for casual driving or competitive racing. -
Question:
Does the MJX E45B support regenerative braking?
Answer: Yes, the MJX E45B ESC features regenerative braking, which helps to recapture energy during deceleration and extend battery life. This function provides smoother stops and better control of your RC car, particularly in racing situations. With regenerative braking, you can increase efficiency and prolong run times, making it a valuable feature for both enthusiasts and competitive racers. -
Question:
What is the purpose of the heatsink on the MJX E45B ESC?
Answer: The heatsink on the MJX E45B ESC is crucial for heat management. During operation, ESCs can generate heat due to electrical resistance, especially under heavy loads. The heatsink helps dissipate this excess heat, preventing thermal overload and maintaining the ESC’s performance. This is particularly beneficial during long or intense sessions, ensuring reliability and longevity of the speed controller. -
Question:
How do I install the MJX E45B ESC in my RC car?
Answer: Installing the MJX E45B ESC involves connecting it to the battery, motor, and receiver based on the wiring diagram provided. Ensure that each connection is secure to avoid any performance issues. Position the ESC where it can effectively cool, taking advantage of the heatsink. For RC car setups like the 14301 or 14302, following the specific installation instructions will allow you to achieve optimal performance. -
Question:
Is the MJX E45B ESC waterproof?
Answer: The MJX E45B ESC does not come with waterproof features; it's designed primarily for dry conditions. If you're planning to use it in environments prone to water exposure, additional protective measures such as enclosures or waterproofing sprays are recommended. Operating it in such conditions without proper protection could lead to short-circuiting and damage, significantly affecting performance. -
Question:
What are the benefits of using a smart ESC like the MJX E45B?
Answer: Smart ESCs like the MJX E45B offer several benefits, including programmable settings for throttle response, brake strength, and timing. This means you can fine-tune the controller to match your driving style or the specific requirements of your RC vehicle. This customization allows for better handling and responsiveness, crucial for competitive racing scenarios or off-road adventures. -
Question:
What spare parts can I get for the MJX E45B ESC?
Answer: For the MJX E45B ESC, you can find a variety of spare parts including connectors, programming cards, and replacement heatsinks. These components can help you maintain and customize your speed controller over time. It's highly recommended to keep spare connectors handy, as they are the most common items that may need replacement due to wear and tear. -
Question:
Where can I buy the MJX E45B Brushless Motor Electric Speed Controller in The Gambia?
Answer: You can purchase the MJX E45B Brushless Motor Electric Speed Controller from Ubuy. They offer a convenient platform for finding this ESC along with various RC car parts to enhance your model. With their extensive selection, you can easily find compatible accessories for your specific RC vehicle within the The Gambia.
MJX Electric Speed Controllers MJXE45B Editorial Review
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Pros
- High efficiency performance
- Compact and lightweight design
- Compatible with various RC models
- Built-in heatsink for cooling
- User-friendly programming interface
Platform Trust & Buyer Confidence
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Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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GMD 3529
Order now and get it around Sunday, August 23
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Features & Benefits
- Pioneer in the RC industry
- Years of tradition in developing innovative technology
- Reliable product for family fun
- Brushless motor electric speed controller
- 45A smart 2S/3S ESC with heatsink
- Compatible with various RC car models
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