Parts/Electric power/ESCs/Castle Creations Hydra Cobra 5 HV 12S Brushless Marine ESC
Castle Creations Hydra Cobra 5 HV 12S Brushless Marine ESC
Castle Creations

Castle Creations Hydra Cobra 5 HV 12S Brushless Marine ESC

Part # CSE010-0183-00
Where to buy
$389.95
AMain Hobbies
Seen Oct 12, 2026
$389.95Buy
Prices are as last seen at the store; stock is not tracked.

About this part

Marine-Ready Performance and Design

Unleash next-level power and precision on the water with the Castle Creations Hydra Cobra 5 HV — engineered for RC boats up to 50 inches with advanced cooling, smart tuning, and bulletproof reliability.

About the Hydra Cobra 5 HV ESC


Powerful Marine Performance

The Castle Creations Hydra Cobra 5 HV 12S Brushless Marine ESC delivers uncompromising power for RC boats up to 50 inches, handling up to 12S LiPo (50.4V) with precision. Built on proven Cobra 5 architecture and re-engineered for water, it provides smooth motor control, rapid response, and bulletproof reliability for aggressive marine setups.

Advanced Cooling Protection

Featuring a machined water-cooled heatsink, dual anodized fittings, and a rugged CNC aluminum case potted in waterproof epoxy, the Hydra Cobra 5 HV ensures efficient heat transfer and total protection against the elements. CRYO-DRIVE technology minimizes heat generation during partial throttle operation, while upgraded current-sensing and thermal protection actively prevent failures.

Smart Tuning & Monitoring

Equipped with 32-bit processing, enhanced data logging, and onboard accelerometer measurements, this ESC provides detailed performance insights. Wireless setup is possible via B-Link2 Bluetooth and the Castle Link 2 app, while auxiliary wiring, audible alerts, and transmitter programming make on-the-fly adjustments easy. Firmware updates and tuning options are freely accessible, giving hobbyists complete control over their marine performance.

Features:

  • 32-bit processing for smooth motor control and fast response
  • Supports up to 12S LiPo (50.4V) for high-powered marine performance
  • Built on the proven Cobra 5 architecture
  • Machined water-cooled heatsink with dual anodized fittings
  • Rugged CNC aluminum case potted in waterproof epoxy
  • CRYO-DRIVE technology reduces heat during partial throttle operation
  • Upgraded current-sensing and thermal protection prevents ESC failure
  • Enhanced data logging with accelerometer and electrical motor timing
  • Wireless tuning via B-Link2 Bluetooth Interface and Castle Link 2 app
  • Auxiliary wire and transmitter programming for on-the-fly adjustments

Includes:

  • (1) Hydra Cobra 5 HV ESC
  • (1) Cobra decals
  • (1) Castle Link V4 USB Adapter
  • (1) Hydra Cobra Quick Start Guide

Specifications:

Suggested Application Boats up to 50"
Motor Type Brushless - Sensored
Input Voltage 6-12S LiPo (22.2-33.6V)
Continuous Current 180A
Burst Current 350A
Dimensions (LxWxH) 4.72x1.46x2.64in (120x37.2x67mm)
Weight 18.1oz (513g)
Motor Limits -
BEC Voltage 5.5-8.5V (Adjustable)
BEC Continuous Current -
BEC Peak Current -
Motor Connector 8.0mm Bullet
Battery Connector Bare Wire
Motor Wire -
Battery Wire -
Programmable Yes with Castle Link V4 USB adapter

*Tech Note: Due to the high power nature of the Hydra Cobra 5 HV, you must use appropriately sized batteries and connectors. We recommend a minimum 150 amp connector for the Hydra Cobra 5; examples include Castle 6.5mm polarized, EC8, and QS8. DO NOT USE XT90, Traxxas, EC5/IC5, or any other connectors rated below 150 amps continuous.

Manuals:

User Manual

CA Residents Prop 65 Warning WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov Details...

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