Information
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
Wireless Control & Programming
- Enables wireless programming & firmware updates for compatible Castle ESCs
- Real-time viewing of data logs and parameter adjustment
- Redesigned architecture and companion Castle Link 2 app
Compatibility
- Compatible with Cobra, Talon, Copperhead, X-Series, most Mamba & Sidewinder ESCs, and CC BEC Pro / CC BEC 2.0
Durability & Design
- Secure & waterproof design, compact enough to remain installed
- Supports profile sync across devices and models
Technical Specifications & Operating Details
Electrical Specifications
- Input voltage: 4.5 V to 13 V
- Maximum continuous current: 10 A
- Maximum burst current: 20 A
Physical Dimensions
- Dimensions (without wires): ~30.5 mm × 20.55 mm × 6 mm
- Weight: ≈ 8 g
Operational Information
- 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
Requirements
- Requires the Castle Link 2 mobile app (iOS 12.0+ / Android 7.0+)
- Must be used with ESCs or accessories that support Castle Link
Practical Use
- 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
