1 / 3Rich Solar BT-1 Module | Bluetooth Module for Solar Charge Controllers | Only for 20/30/40/60A MPPT Models
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BT-1 Module — Bluetooth Module for Compatible Solar Charge Controllers
The BT-1 Module adds wireless Bluetooth monitoring and control to compatible Rich Solar MPPT charge controllers, letting you check system status and adjust settings from a smartphone app instead of walking to the controller itself. Built around Bluetooth 4.0 / BLE technology with low power draw, the module connects through the controller's RJ12 communication port and draws its power from the same connection — no separate battery or power source required.
Monitor and Control From a Smartphone App
Connects wirelessly to a smartphone app, giving you remote visibility into your charge controller's performance and the ability to adjust settings without physically accessing the controller — useful when it's mounted in a hard-to-reach RV bay, basement, or utility closet.
RJ12-Powered, No Separate Battery
Draws power directly through the controller's RJ12 communication port — no internal battery to replace, no separate power adapter, and exceptionally low draw at just 0.04W standby and 0.05W operating power consumption.
Fast, Stable BLE Communication
Bluetooth 4.0 with BLE (Bluetooth Low Energy) technology delivers fast, uninterrupted communication between the module and your phone, built around an embedded chip designed specifically for efficient, low-power wireless data transfer.
Product Overview
The BT-1 Module is a Bluetooth communication accessory designed specifically for Rich Solar's 20A, 30A, 40A, and 60A MPPT charge controller models — it is not a universal Bluetooth adapter for any charge controller, but a purpose-built module for this specific controller family. Once connected to the controller's RJ12 communication port, it broadcasts system data via Bluetooth Low Energy to a smartphone app, letting you check charging status, voltage, and other system parameters without needing physical access to the controller.
Power for the module comes directly through the RJ12 connection, so there's no internal battery to maintain or separate power adapter to wire in. Power consumption is minimal — rated at just 0.04W in standby and 0.05W during active operation — meaning the module's draw on your system is effectively negligible even left connected continuously. The fixed 9600bps serial baud rate is matched to the communication protocol used by the compatible controller family.
One detail worth flagging directly: Rich Solar's own marketing materials describe the BT-1's signal range as reaching up to 50 feet, while the published specification sheet lists the communication range as ≤15m (about 49 feet) — these two figures are close enough that they likely describe the same practical range, but real-world Bluetooth performance will also depend on walls, metal enclosures, and other interference between the module and your phone. At 2.6 × 2.01 × 0.61 in and 120g (4.2 oz), the module itself is small and unobtrusive, with an IP67 rating supporting installation in enclosed or semi-exposed locations near the controller.
Check Your System Without Walking to the Controller
- Smartphone App Connectivity: Pairs with a companion app for real-time system monitoring and configuration access from your phone.
- Remote Visibility: Useful when your charge controller is mounted somewhere inconvenient to check regularly — a basement battery compartment, an RV rear storage bay, or an enclosed utility space.
- Adjust Settings Wirelessly: Configure controller parameters through the app interface rather than navigating physical buttons or a small onboard display.
- Fast, Uninterrupted Communication: Bluetooth 4.0 with BLE technology is designed for quick, stable data transfer without the lag or dropouts associated with older Bluetooth standards.
Simple Power, Simple Installation
- RJ12 Communication Port Powered: No separate battery or power adapter — the module draws what little power it needs directly from the controller's existing RJ12 port.
- 5V–12V Input Voltage: Compatible with the voltage range typically present at a charge controller's communication port.
- 5m (16.4 ft) Cable: Gives you flexibility in module placement relative to the controller, useful if you want the module positioned for better Bluetooth signal reach to where you'll typically be using your phone.
- IP67 Protection Grade: Supports installation in enclosed or semi-exposed mounting locations near the controller without concern for dust or moisture ingress.
- Compact, Lightweight: At 2.6 × 2.01 × 0.61 in and 120g, the module mounts unobtrusively near the controller without adding bulk.
Full Specifications
| Model | BT-1 (SKU: RS-BT1) |
| Input Voltage | 5V–12V |
| Standby Power Consumption | 0.04W |
| Operating Power Consumption | 0.05W |
| Communication Range | ≤15m (per spec sheet); up to 50 ft (per features list) |
| Serial Baud Rate | Fixed 9600bps |
| Cable Length | 5.00m (16.4 ft) |
| Dimensions | 2.6 × 2.01 × 0.61 in |
| Installation Dimensions | 57.5mm, ⌀3.2mm (2.26in, ⌀0.13in) |
| Protection Grade | IP67 |
| Weight | 120g (4.2 oz) |
Best Uses
- Remote monitoring of charge controllers in hard-to-reach locations
- RV and van installations with controllers mounted in storage bays
- Off-grid cabin systems with controllers in basement or utility spaces
- Marine installations where the controller isn't near the helm
- Any setup wanting smartphone-based system monitoring without rewiring
Key Benefits
- Wireless monitoring and control via smartphone app
- RJ12-powered — no separate battery or power adapter needed
- Extremely low power draw: 0.04W standby / 0.05W operating
- Bluetooth 4.0 / BLE for fast, stable communication
- 5m cable for flexible module placement near the controller
- IP67 rated; compact and lightweight at 120g
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