📝 Description

Used product.
Original SMA Bluetooth Piggy-Back electronic board, model BTPBINV, designed to provide wireless Bluetooth communication between compatible SMA photovoltaic inverters and monitoring or configuration devices.
The module installs directly into the designated internal inverter connector, without requiring an external wired data connection. It transmits inverter operating data to compatible communication devices, allowing users to view system information and access energy data.
The following identification markings are visible on the board:

• Model: BTPBINV
• PCB version: BG1 Ver.02
• Radio module: BlueMod+C11/G2
• Radio module manufacturer: Stollmann
• Additional visible code: BTPBINV-12
• Visible production code/date: 40-A012412

⚙️ Main Specifications

• Brand: SMA Solar Technology
• Type: Bluetooth Piggy-Back communication board
• Communication interface: Wireless Bluetooth
• Installation: Plug-in connection to the internal slot of a compatible inverter
• Construction: Electronic circuit board with integrated components and multipole connectors
• Configuration: Rotary selector for Bluetooth NetID configuration
• Nominal dimensions stated in the SMA family manual: Approximately 50 × 81 mm
• Nominal weight stated in the SMA manual: Approximately 60 g

🔌 Main Functions

• Wireless transmission of inverter data.
• Communication with compatible Bluetooth-enabled SMA devices.
• Access to production data and daily, monthly and annual energy values.
• Supports inverter configuration and monitoring through compatible software or communication devices.
• Allows SMA Bluetooth devices configured with the same NetID to be networked together.

🧩 Compatibility

According to the official SMA manual, the Bluetooth Piggy-Back can be installed in:

• SMA Sunny Boy (SB) inverters equipped with the designated Piggy-Back slot.
• Compatible SMA Sunny Mini Central (SMC) inverters.
• Compatible SMA Windy Boy (WB) inverters.
• SMA SWR 2500.
  Compatibility must be verified for the exact inverter model and revision before purchase. Compatibility with all SMA inverters is not guaranteed.
  The module can communicate with compatible SMA Bluetooth devices, such as Sunny Explorer and Sunny Beam with Bluetooth, subject to the conditions specified in SMA documentation.

💡 Advantages

• Original SMA replacement part for restoring wireless communication.
• Internal Piggy-Back installation in supported inverter models.
• Enables monitoring without a wired data connection between the inverter and communication device.
• Useful for maintenance, repair and refurbishment of older-generation SMA inverters.

🛡️ Product Condition

Used board, as shown in the photographs. Electronic components, connectors and the radio module are visible.
Untested: As no operational test is available, the board is offered as an untested used replacement part. Carefully check the model, revision and connectors of the target inverter before installation.

📦 Package Contents

• 1 SMA Bluetooth Piggy-Back BTPBINV communication board.
  Inverter, software, monitoring devices and other accessories not shown in the photographs are not included.

🟢 Summary

Original SMA Bluetooth Piggy-Back BTPBINV communication board, featuring a Stollmann BlueMod+C11/G2 radio module. Replacement part intended for specific SMA inverters equipped for this interface, suitable for restoring Bluetooth communication and system monitoring. Compatibility must be verified against the exact inverter model.