Renogy BT-1 Bluetooth Module For Solar Charge Controller User Manual

Content

Renogy BT-1 Bluetooth Module for Solar Charge Controller Manual

Introduction

The Renogy BT-1 Bluetooth Module For Solar Charge Controller adds wireless monitoring and configuration to compatible Renogy solar charge controllers. After connecting the module to the controller’s RJ12 communication port, you can use a compatible smartphone or tablet to view system information and adjust supported settings through the Renogy DC Home App.

This Bluetooth solar controller adapter is designed for RV solar systems, camper vans, boats, cabins, backup-power installations, and other off-grid applications. It can help you check battery voltage, charging status, solar input, load activity, and other available controller data without repeatedly accessing a mounted controller.

The updated BT-1 uses Bluetooth 4.2 and Bluetooth Low Energy technology, includes a synchronization indicator, and offers a communication range of up to 82 feet under suitable conditions. Its long communication cable can make installation easier when the controller is installed inside a cabinet or equipment compartment.

The module is best suited to users who already own a compatible Renogy controller with an RJ12 port and want convenient local wireless access. It is not a universal Bluetooth adapter: compatibility depends on the controller model, communication interface, and supported DC Home App functions. Confirm compatibility before installation and use only the cable supplied or specified for the module.

Renogy BT-1 Specifications and Features

The following specifications apply to the Renogy BT-1 Bluetooth Module new version. Confirm the label and documentation supplied with your specific unit before installation, as regional or model revisions may differ.

Primary function: Wireless monitoring and supported configuration of compatible Renogy solar charge controllers
Communication technology: Bluetooth 4.2 and Bluetooth Low Energy
Communication protocol: RS232
Controller connection: RJ12 communication port
Input power: Supplied through the controller communication port
Communication range: Up to 82 feet in suitable open conditions
Serial baud rate: Fixed at 9600 bps
Standby power consumption: 0.04 W
Operating power consumption: 0.05 W
Cable length: 5 m, approximately 16.4 ft
Module dimensions: 67.3 × 35 × 14 mm, approximately 2.65 × 1.38 × 0.55 in
Protection rating: IP54
Operating temperature: -20°C to 85°C, or -4°F to 185°F
Weight: Approximately 130 g, or 4.58 oz

How to Install and Pair the Renogy BT-1 Bluetooth Module

Turn off or isolate the solar system according to the charge controller manual. Do not connect or disconnect communication cables while wiring is being changed or when doing so could expose you to energized terminals.
Confirm that the solar charge controller has a compatible RJ12 communication port and uses the required RS232 interface.
Insert the BT-1 cable connector fully into the controller’s RJ12 port. Do not force the plug or use a telephone cable unless the controller documentation specifically permits it.
Place the Bluetooth module where it has ventilation and minimal obstruction. Keep it away from heavy electrical noise, water, excessive heat, and moving parts.
Restore controller power and wait for the module indicator to illuminate. Allow the controller and module time to initialize.
Install the Renogy DC Home App from the appropriate app store, then enable Bluetooth permissions and any requested nearby-device permissions.
Open the app, sign in or create an account if requested, and use the device-add or search function to locate the BT-1-connected controller.
Select the detected device and complete pairing. Keep the phone within a few feet during initial setup.

If the module is not detected, close other Bluetooth apps, power-cycle the controller, verify the RJ12 connection, and repeat the search. Bluetooth pairing should be performed in a dry, ventilated location; never expose the module or connector to water beyond the protection intended by its IP54 enclosure.

Renogy BT-1 Troubleshooting Guide

Module does not power on

Check that the controller is powered and that the cable is fully seated at both ends. Verify that the controller’s port is a communication port rather than a similarly shaped connection. Inspect the cable for cuts, bent contacts, or loose strain relief. If the controller itself is not operating, resolve that issue before testing the BT-1.

Bluetooth device is not found

Move the phone close to the module, enable Bluetooth and app permissions, close and reopen the DC Home App, and search again. Disconnect other phones that may already be communicating with the module. Metal cabinets, batteries, inverters, walls, and electrical interference can reduce the practical range.

Connection drops repeatedly

Reduce the distance between the phone and module, reposition the module outside a metal enclosure when practical, and ensure the cable is not under tension. Keep the app and phone operating system updated. A controller reboot may restore communication after a temporary software or power interruption.

Data is missing or settings cannot be changed

Available readings and controls depend on the connected controller model and firmware. Confirm that the selected device profile is correct and that the controller supports the requested setting. Do not change battery, charging, or load parameters unless the values match the battery manufacturer’s requirements.

Error codes and support

The BT-1 itself may not display a universal error-code system; messages shown in the app can vary by controller. Record the controller model, firmware information, app message, wiring arrangement, and troubleshooting steps before contacting Renogy. Warranty terms should be verified in the documentation supplied with the unit or on the applicable Renogy product page. Renogy support can be reached at support@renogy.com or by telephone at +1 (909) 287-7111.

Renogy BT-1 Pros and Cons

Pro — Convenient remote monitoring: The module lets users view compatible controller data from a phone instead of repeatedly opening an equipment compartment.
Pro — Simple controller integration: It receives power through the controller’s RJ12 communication port, so a separate power supply is generally unnecessary.
Pro — Long cable: The approximately 16.4-foot cable can help position the wireless module away from a controller mounted inside a cabinet.
Pro — Low energy use: Standby and operating consumption are low, which suits battery-powered off-grid systems.
Pro — Practical operating range: The stated range of up to 82 feet is useful for many RV, cabin, and small solar installations, although walls and metal reduce range.
Con — Compatibility is limited: The BT-1 is intended for compatible Renogy devices with the required RJ12 and RS232 interface. It is not a universal Bluetooth adapter.
Con — Local Bluetooth access: It does not by itself provide internet-based remote monitoring from another location. Phone proximity is required for Bluetooth communication.
Con — App dependence: Monitoring and configuration rely on the compatible Renogy app and the functions supported by the connected controller.
Con — Installation environment matters: Metal enclosures, electrical interference, obstructions, and damaged cables can reduce reliability compared with the typical open-air range.

The Renogy BT-1 Bluetooth Module For Solar Charge Controller suits RV owners, boat owners, off-grid installers, and anyone who wants nearby wireless access to a compatible Renogy controller. Users needing cloud access, cellular monitoring, or compatibility with non-Renogy equipment may need a different monitoring solution.

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Faqs

How do I set up the Renogy BT-1 Bluetooth Module For Solar Charge Controller for the first time?

Turn off or disconnect power from the compatible Renogy controller if its manual requires it, then plug the BT-1 cable into the controller’s RJ12 communication port. Restore power and confirm that the module’s power indicator turns on. Install or update the Renogy DC Home app, enable Bluetooth permissions, and add the controller from the device list. Keep your phone nearby during pairing, then verify that charging data and available settings appear before mounting the module permanently.

Why is my Renogy BT-1 Bluetooth Module For Solar Charge Controller not connecting to the app?

First, confirm that the controller is powered and that the RJ12 plug is fully seated at both ends. Turn Bluetooth off and on, close and reopen the Renogy DC Home app, and keep the phone within a short distance of the module. Make sure the app is updated and has Bluetooth and nearby-device permissions. If another phone is connected, disconnect it before retrying. Do not pair through the phone’s Bluetooth settings unless the app specifically instructs you to do so.

Which devices are compatible with the Renogy BT-1 Bluetooth Module For Solar Charge Controller?

The BT-1 is intended for compatible Renogy devices equipped with the required RJ12 communication interface and supported communication protocol. Compatibility can vary by controller model and product version, so check the exact controller manual or Renogy compatibility list before installation. An RJ12-shaped socket alone does not guarantee compatibility. The module works with the Renogy DC Home app when the connected controller is supported; it is not a universal Bluetooth adapter for unrelated solar equipment.

What can I monitor or change with the Renogy BT-1 Bluetooth Module For Solar Charge Controller?

When connected to a supported Renogy controller, the BT-1 provides wireless access to system information through the Renogy DC Home app. Depending on the controller, this may include charging status, battery voltage, solar input, load information, alarms, and configuration options. Available controls depend on the connected product and firmware. Use the app to review values before changing settings, and avoid altering battery type, charging limits, or protection parameters unless they match the battery manufacturer’s requirements.

How can I improve the Bluetooth range and connection stability of the Renogy BT-1 Bluetooth Module?

Place the BT-1 where its signal is not blocked by metal cabinets, dense wiring, batteries, or other equipment that can weaken Bluetooth communication. Keep the smartphone within the module’s practical range and reduce obstacles between both devices. The listed maximum range is an open-area estimate, so indoor or vehicle installations may provide less distance. Secure the cable without sharp bends, and avoid routing it tightly alongside high-current power cables when possible.

What should I do if the Renogy BT-1 Bluetooth Module shows power but no data?

A power light without system data usually indicates a communication, compatibility, or connection issue. Reseat the RJ12 cable and inspect it for cuts, bent contacts, or loose connectors. Confirm that the controller model supports BT-1 communication and that the app selected the correct device. Restart the controller and app, then try again with other nearby Bluetooth devices disconnected. If the problem continues, test with the original cable or consult the controller manual before replacing hardware.

Can I leave the Renogy BT-1 Bluetooth Module For Solar Charge Controller connected continuously?

The BT-1 is designed to receive power through the controller’s communication port, so it can generally remain connected during normal system operation when the controller and module are compatible. Mount it in a dry, ventilated location and prevent the cable from being pulled or pinched. Disconnect power before servicing wiring. If the solar system will be stored for a long period, follow the controller’s shutdown procedure and protect the module from moisture, dust, and extreme conditions.

How should I maintain and protect the Renogy BT-1 Bluetooth Module For Solar Charge Controller?

Inspect the RJ12 cable and connector periodically for corrosion, looseness, abrasion, or strain, especially in vehicles and outdoor enclosures. Wipe the module with a dry, soft cloth and keep liquid away from the ports. Although the housing offers protection against limited environmental exposure, it should not be submerged or installed where condensation is persistent. Keep firmware and the Renogy DC Home app current, and verify connection and displayed readings after maintenance or controller wiring changes.