Hobbywing Seaking 120A V4 Speed Control

The Hobbywing Seaking 120A V4 Speed Control (HW30302363) is a waterproof, brushless, sensorless marine ESC engineered for demanding RC boat applications. Delivering 120A continuous current with 500A peak capability, it supports 2–6S LiPo power and features a high-current BEC adjustable to 6V, 7.4V or 8.4V at 8A to suit modern servos and receivers. Compact yet robust, it provides versatile programming options and in-depth data recording to help fine-tune performance on the water.

Suggested compatibility includes RC boats up to 100 cm in length. The Seaking 120A V4 combines reliable power delivery, comprehensive telemetry support and firmware upgradability for confident running and easy setup adjustments.

Specifications

• Type: Brushless, sensorless
• Waterproof: Yes
• Continuous/Peak Current: 120A / 500A
• Input Voltage: 2–6S LiPo
• BEC Output: 6V / 7.4V / 8.4V @ 8A
• Input Wires: Red 12AWG 150 mm x1; Black 12AWG 150 mm x1
• Output Wires: Black 12AWG 100 mm x3
• Input Connectors: None
• Output Connectors: 4.0 mm gold female plug
• Program Port: Throttle signal wire
• Size: 64.7 x 36.3 x 22.5 mm
• Weight: 123.5 g (including wire and output plug)

Programming & Data

• Programming supported via: LED Program Box, LCD G2 Program Box, LCD PRO, OTA Programmer
• Data recording supported: extreme value, real-time data, historical data (graph)
• Firmware upgrade: Supported