SKU: 31939509116

Hobbywing SeaKing 90A V4 Brushless Marine ESC

Sale price$48.56 Regular price$53.95
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Ships within 48 hours · Estimated delivery Jul 20 - Jul 25

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Description

Hobbywing SeaKing 90A V4 Brushless Marine ESCHigh Performance 4S Capable Electronic Speed Controller The Hobbywing SeaKing 90A V4 Brushless Marine Electronic Speed Controller (ESC) is designed to deliver exceptional performance for marine applications. With advanced waterproofing, built in Bluetooth functionality, and a robust power management system, this ESC is ideal for competitive racers and RC boat enthusiasts. Engineered for reliability and convenience, it offers seamless integration with

High-Performance 4S Capable Electronic Speed Controller

The Hobbywing SeaKing 90A V4 Brushless Marine Electronic Speed Controller (ESC) is designed to deliver exceptional performance for marine applications. With advanced waterproofing, built-in Bluetooth functionality, and a robust power management system, this ESC is ideal for competitive racers and RC boat enthusiasts. Engineered for reliability and convenience, it offers seamless integration with modern technology to provide a superior racing experience.

About the SeaKing 90A V4 ESC


Unmatched Waterproofing & Cooling

Featuring an IP67 protection rating, the SeaKing 90A V4 is designed to withstand water, dust, and splashes under normal usage conditions without requiring additional waterproofing treatments. Its dual-channel water cooling system enhances heat dissipation, ensuring the ESC maintains safe operating temperatures during intense use. For added protection, the ESC includes a spark-proof circuit and capacitor overheating safeguards, extending its durability in demanding environments.

Integrated Bluetooth & Data Logging

The built-in Bluetooth functionality simplifies ESC programming and firmware updates. Users can connect directly to the "HW LINK V2" app on their mobile devices to adjust settings, view historical data, and monitor performance in real-time without additional hardware. The ESC's internal logging module captures up to ten minutes of operational data, enabling post-run analysis through the app for optimal tuning and maintenance.

Advanced Power Management

The SeaKing 90A V4 is equipped with a powerful switch-mode BEC with selectable output voltages of 6V, 7.4V, and 8.4V. This ensures compatibility with high-torque and high-voltage servos for precise and responsive control. Additionally, the Freewheeling function enhances deceleration and steering control, while the AUX external control channel allows for real-time parameter adjustments using the remote, ensuring unparalleled control during competitive races.

Features:

  • IP67 waterproof and dustproof rating
  • Dual-channel water cooling system
  • Built-in Bluetooth for app connectivity
  • Internal data logging for performance tracking
  • Spark-proof circuit for high-voltage protection
  • Switch-mode BEC with 6V, 7.4V, and 8.4V output options
  • Freewheeling function for enhanced deceleration and control
  • AUX external control for real-time parameter adjustments
  • Eleven programmable parameters for racing customization
  • Capacitor overheating protection

Includes:

  • (1) SeaKing 90A V4 Brushless Marine ESC
  • Product Manual

Specifications:

Suggested Application RC Boats (Max. Length 31.5in)
Motor Type Brushless
Input Voltage 2-4S LiPo (7.4-14.8V)
Continuous Current 90A
Peak Current 360A
Dimensions (LxWxH) 2.36x1.43x0.89in (60x36.3x22.5mm)
Weight 4.08oz (115.6g)
Motor Limits -
BEC Voltage 6V/7.4V/8.4V (Switch-Mode)
BEC Continuous Current 8A
BEC Peak Current -
Motor Connector Solder
Battery Connector Solder
Motor Wire 12AWG
Battery Wire 12AWG
Programmable Yes, through "HW Link V2" App (iOS & Android)

*Tech Note: This ESC does not have reverse polarity protection. Ensure proper connections are made as outlined under step 5 per the owner's manual. Reversing polarity will damage the ESC.

**Tech Note: Always disconnect the battery after use. The ESC draws a small current when connected even if the system is powered off, which can fully drain the battery and cause damage.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 31939509116

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Boer
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Reviewed in the United States on April 4, 2026
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Deval
Houston, US
★★★★★ 5
Effective Cabin Air Filter – Fresh and Clean Air for My Car
I recently replaced my car’s cabin air filter with the AC85111 activated carbon filter, and I’ve noticed a clear improvement in air quality inside the vehicle. It helps keep the cabin air fresh, especially during daily commutes and long drives. The activated carbon layer does a good job of reducing dust, odors, and outside pollution, making the driving experience more comfortable. I also noticed less smell from traffic fumes and general road dust entering the car. The fit was perfect for my Honda Pilot, and installation was simple without needing any special tools. It is compatible with several Honda and Acura models, which makes it a reliable replacement option. The material feels well-made and sturdy enough for regular use, ensuring consistent airflow while filtering out impurities effectively. Considering its performance and durability, it also offers good value for money. Overall, this is a practical, easy-to-install, and reliable cabin air filter that helps maintain cleaner and fresher air inside the car.
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Good fit for our Honda Accord, quality filter
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Zack
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No more funky smell!
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Devlin
Pawtucket, US
★★★★★ 5
happy engine. good mileage
Color: CA9683
Fit my 05 Tacoma great! Have had good response with the engine and it's acceleration. Fuel mileage is back on par. Will buy again!
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