B-Link 2 Bluetooth Interface

B-Link 2 Bluetooth Interface (011-0181-00)

The B-Link 2 Bluetooth Interface is a wireless adapter designed to program, tune, and update Castle ESCs via Bluetooth—no laptop needed. It offers improved connection speed, broader compatibility (including Cobra series), and secure, waterproof construction.

Key Features

• Enables wireless programming & firmware updates for compatible Castle ESCs

• Real-time viewing of data logs and parameter adjustment

• Newly redesigned architecture and companion Castle Link 2 app

• Compatible with Cobra, Talon, Copperhead, X-Series, most Mamba & Sidewinder ESCs, and CC BEC Pro / CC BEC 2.0

• Secure & waterproof design, compact enough to remain installed

• Supports profile sync across devices and models

Technical Specifications & Operating Details

• Input voltage: 4.5 V to 13 V

• Maximum continuous current: 10 A

• Maximum burst current: 20 A

• Dimensions (without wires): ~30.5 mm × 20.55 mm × 6 mm

• Weight: ≈ 8 g

• Operating environment: waterproof for field use

• Passcode protection prevents unauthorized access

• Not compatible with Castle Telemetry Link for Spektrum X-Bus or Futaba S.Bus2

Usage Notes

• Requires the Castle Link 2 mobile app (iOS 12.0+ / Android 7.0+)

• Must be used with ESCs or accessories that support Castle Link

• Can stay installed in the model during operation

• Ideal for field tuning, minimizing the need for wired programming

• Covered by a 1-year manufacturer warranty