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Item #:
237740230
Hobbywing SeaKing 300A HV V4 Brushless Marine ESC HWI30301202
Item #:
237740230
IMP 317
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Ideal for competitive racers and RC boat enthusiasts, the SEAKING 300A HV V4 ensures unmatched performance with advanced waterproofing, built-in Bluetooth functionality, and a robust power management system.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High Voltage Support
The Hobbywing SeaKing 300A HV V4 ESC is designed for high voltage applications, ensuring reliable performance in demanding marine environments, effectively powering large brushless motors.
Advanced Cooling System
Equipped with an innovative cooling system, this ESC prevents overheating during intense operations, enhancing durability and consistent performance for long-lasting marine adventures.
Flexible Programming
This ESC features customizable programming options, allowing users to fine-tune settings for optimal performance, catering to both novice and expert pilots in the marine hobbyist community.
Product Details
| Brand | Hobbywing |
| Type | Electronic (ESC) |
| Compatible Motor Type | Brushless |
| Compatible Vehicle Type | Boats & Watercraft |
| Model | Seaking 300A Brushless ESC |
| Compatible Fuel Type | Electric |
| MPN | 30301202 |
| Compatible Scale | N/A |
| UPC | 088718503181 |
| Country of Origin | China |
| Item Weight | 2.6 lbs (1.18 kg) |
Who Should Buy?
-
Experienced Sailors
Ideal for skilled users needing high-performance control in large RC boats facing challenging marine conditions.
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High-Power Builds
Perfect for those utilizing powerful motors wanting a reliable ESC that can handle significant current loads efficiently.
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Competitive Racers
Designed for competitive users needing precision and responsiveness in their marine setups for racing applications.
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Beginners
Not suitable for novice users who might find the programming and setup features complex and overwhelming.
Product Description
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Customer Questions & Answers
-
Question:
What is the maximum voltage this ESC can handle?
Answer: The SEAKING 300A HV V4 ESC can handle an input voltage of 5-14S LiPo, equivalent to 18.5-51.8V. -
Question:
Is this ESC suitable for racing?
Answer: Yes, it is specifically designed for competitive racers and offers advanced features for precision and performance. -
Question:
How does the Bluetooth functionality enhance usage?
Answer: The built-in Bluetooth allows for easy programming and real-time monitoring via the HW LINK V2 app, enhancing user experience and performance tracking.
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Pros
- High efficiency performance
- Compatible with various motors
- Advanced thermal protection
- User-friendly programming
- Durable and reliable design
Cons
- May require careful installation.
Platform Trust & Buyer Confidence
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Mohammad
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“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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Chitra
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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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kund
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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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Onesi
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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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23 July 2026 · via Trustpilot
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Features & Benefits
- Designed for high-performance marine applications.
- IP67 waterproof and dustproof rating for superior durability.
- Integrated Bluetooth for easy programming and real-time data monitoring.
- Powerful switch-mode BEC with multiple voltage outputs for versatile control.
- Includes advanced safety features like spark-proof circuit and overheating protection.
- Perfect for competitive racing and precision control in RC boats.
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