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Renogy BT-2 Bluetooth Module (RCM-BT2-US)

Model: BT-2 · SKU: RCM-BT2-US

Prepared Nov 12, 2026

Common specifications

Device type
Bluetooth module: wireless monitoring and settings of Renogy devices through the Renogy DC Home app (RJ45 port, RS485)Source [1]
Communications
Bluetooth 4.2 and BLE; RS485Source [1]
Supported devices
Renogy solar charge controllers, smart lithium batteries, Dual Input DC-DC chargers and inverter chargers with an RJ45 port and RS485 communication protocolSource [1]
Ports
RJ45 cable, 5.00 m (16.4 ft)Source [1]
DisplayNot documented
Power input
Powered through the device's RJ45 communication port (input 5V or 12V); 0.04 W standby, 0.05 W operatingSource [1, 2]
MountingNot documented
Enclosure
IP54Source [1, 2]
Operating temperature
-20 to 85 °C-4 to 185 °F convertedSource [1]
Weight
0.13 kg0.29 lb convertedSource [1]
Dimensions
67.3 D × 35 D × 14 D mm2.65 D × 1.4 D × 0.55 D in convertedSource [1]
Enclosure volume0.03 L** Calculated from recorded external dimensions
Warranty term
1 yearSource [2]

All recorded specifications

Communications
Bluetooth 4.2 and BLE; RS485Documented claim
Conditions

Printed as "Bluetooth 4.2 and BLE technology provides fast and uninterrupted communication" and "Communication Protocol RS485".

Location: Manual Key Features; Technical Specifications, Communication Protocol row

Printed as "Bluetooth 4.2 and BLE technology provides fast and uninterrupted communication" and "Communication Protocol RS485".

Location: Manual Key Features; Technical Specifications, Communication Protocol row

[1]
Device type
Bluetooth module: wireless monitoring and settings of Renogy devices through the Renogy DC Home app (RJ45 port, RS485)Documented claim
Conditions

Printed as "Powered by its RJ45 communication port" and "Connects to our user-friendly smart phone App, Renogy DC Home, to keep track of your system".

Location: Manual cover and Key Features

Printed as "Powered by its RJ45 communication port" and "Connects to our user-friendly smart phone App, Renogy DC Home, to keep track of your system".

Location: Manual cover and Key Features

[1]
Dimensions
67.3 D × 35 D × 14 D mm2.65 D × 1.4 D × 0.55 D in convertedDocumented claim
Conditions

Printed as "67.3 X 35 X 14mm 2.65 X 1.38 X 0.55in"; no axes are named, so the figures are kept in printed order.

Location: Technical Specifications, Dimensions row

Printed as "67.3 X 35 X 14mm 2.65 X 1.38 X 0.55in"; no axes are named, so the figures are kept in printed order.

Location: Technical Specifications, Dimensions row

[1]
Enclosure
IP54Documented claim
Conditions

Printed as "Protection Grade IP54".

Location: Technical Specifications, Protection Grade row

Printed as "Protection Grade IP54".

Location: Technical Specifications, Protection Grade row

[1, 2]
Operating temperature
-20 to 85 °C-4 to 185 °F convertedDocumented claim
Conditions

Printed as "-20~85" (°C) with "-4°F to 185°F" in the Operation Temperature row.

Location: Technical Specifications, Operation Temperature row

Printed as "-20~85" (°C) with "-4°F to 185°F" in the Operation Temperature row.

Location: Technical Specifications, Operation Temperature row

[1]
Ports
RJ45 cable, 5.00 m (16.4 ft)Documented claim
Conditions

Printed as "Port Type RJ45 Cable Length 5.00m (16.4ft)".

Location: Technical Specifications, Port Type and Cable Length rows

Printed as "Port Type RJ45 Cable Length 5.00m (16.4ft)".

Location: Technical Specifications, Port Type and Cable Length rows

[1]
Power input
Powered through the device's RJ45 communication port (input 5V or 12V); 0.04 W standby, 0.05 W operatingDocumented claim
Conditions

The manual prints "Powered by its RJ45 communication port" and "Standby Power Consumption 0.04W Operating Power Consumption 0.05W"; the store page prints "Input Voltage 5V or 12V".

Location: Manual Key Features and Technical Specifications; store page specification block

The manual prints "Powered by its RJ45 communication port" and "Standby Power Consumption 0.04W Operating Power Consumption 0.05W"; the store page prints "Input Voltage 5V or 12V".

Location: Manual Key Features and Technical Specifications; store page specification block

[1, 2]
Supported devices
Renogy solar charge controllers, smart lithium batteries, Dual Input DC-DC chargers and inverter chargers with an RJ45 port and RS485 communication protocolDocumented claim
Conditions

Printed as "Connect the BT-2 Bluetooth module to any Renogy solar charge controller, smart lithium battery, Dual Iput DC-DC, and inverter charger with an RJ45 port and RS485 communication protocol."

Location: Manual, Connection (printed page 07)

Printed as "Connect the BT-2 Bluetooth module to any Renogy solar charge controller, smart lithium battery, Dual Iput DC-DC, and inverter charger with an RJ45 port and RS485 communication protocol."

Location: Manual, Connection (printed page 07)

[1]
Weight
0.13 kg0.29 lb convertedDocumented claim
Conditions

Printed as "130g(4.58oz)".

Location: Technical Specifications, Weight row

Printed as "130g(4.58oz)".

Location: Technical Specifications, Weight row

[1]

Warranty

Warranty term
1 yearDocumented claim
Conditions

Printed as "Material and workmanship warranty 1 Year".

Location: Store page, warranty

Printed as "Material and workmanship warranty 1 Year".

Location: Store page, warranty

[2]

Certificate records

No records documented.

Sources and revisions

  1. Renogy BT-2 Bluetooth Module manual, version 2.1 (November 1, 2026 capture)Official instruction manual · Revision Version 2.1 · Checked https://cdn.shopify.com/s/files/1/0631/0137/0483/files/RCM-BT2-US_20Manual.pdf?v=1752026427
  2. Renogy US store product data: BT-2 Bluetooth Module (November 1, 2026 capture)Official product page · Checked https://www.renogy.com/products/bt-2-bluetooth-module.js