EPEVER WiFi 2.4G Adapter User Manual

Quick guide for the EPEVER WiFi 2.4G Adapter. Learn how to connect, configure, and monitor your solar controller or inverter via the EPEVER cloud and mobile app.

Quick answers from the manual

Quick answer

The EPEVER WiFi 2.4G Adapter enables remote monitoring of EPEVER solar controllers and inverters by transmitting operational data to the EPEVER cloud via a 2.4G WiFi network. p. 1

Key actions

Connect the adapter to the device port (RJ45 or DB9). p. 1
Configure WiFi settings via the mobile app. p. 2

First start

Power on the device, connect to the 2.4G WiFi network via the app, and log in to the EPEVER Cloud. p. 2

Problems and fixes

Reset to factory settings

Press the Reset/Reload button with a sharp object while powered on until the indicator flashes twice.

p. 1

Maintenance and reset

Factory reset via the Reset/Reload button. p. 1

Where to find it in the PDF

Overview and Appearance p. 1
Operations and Specifications p. 2

Table of contents

Manual images

Click an image to enlarge

System connection diagram showing the adapter connecting the solar controller/inverter to the network.

Page 1

Overview of the remote monitoring system architecture.

Page 2

Quick guide from the manual

The EPEVER WiFi 2.4G Adapter is designed to transmit operational data from EPEVER solar controllers, inverters, or inverter/chargers to the EPEVER cloud server in real-time. This allows users to remotely monitor devices via the EPEVER server, mobile app, or a large screen. Note: The adapter requires a 2.4G WiFi network to function; it cannot upload data without a local 2.4G WiFi connection.

Product Overview

There are two versions of the adapter available:

EPEVER WiFi 2.4G RJ45 A: Designed for devices with an RJ45 port.
EPEVER WiFi 2.4G DB9 B: Designed for devices with a DB9 interface.

Both models feature a factory reset button and status indicators for Link and Power.

System connection

To connect the WiFi transmission terminal:

Identify the correct port on your solar controller, inverter, or inverter/charger (RJ45 or DB9).
Connect the WiFi adapter directly to the communication port of the device.
The device is powered directly by the communication port.

Operations

To set up remote monitoring via the mobile app:

Turn on the WiFi switch on your mobile phone and connect to a 2.4G WiFi network.
Open the EPEVER app and click the EPEVER Cloud icon to enter the login page.
Click the Wifi On Cloud icon to navigate to the network connection page.
Connect the WiFi terminal to the 2.4G WiFi network by searching for hotspots or scanning the QR code.
Input the WiFi password and click Write to connect.
Once the connection shows 100%, click Confirm to return to the home page.

Indicator Status

The adapter provides visual feedback via indicators:

Link Indicator: Solid green means connected to WiFi; OFF means not connected; Fast flashing green indicates reset to factory mode.
Power Indicator: Solid green means normal power; OFF means not powered.

Factory Reset

If you need to restore factory settings:

Ensure the terminal is powered on.
Use a sharp object to press and hold the Reset/Reload button.
The indicator light will flash twice quickly, confirming the factory settings are restored.

Specifications

Input voltage: DC5V
Communication method: RS485
Working Frequency: 2.4~2.4835GHz
Enclosure: IP54
Environment temp: -40℃~ 85℃

Practical help

Common problems

Device not connecting to WiFi

Ensure you are using a 2.4G WiFi network (5G is not supported). Check that the signal is within the 30-meter range.

Need to reset to factory settings

Press the Reset/Reload button with a sharp object while the device is powered on until the indicator flashes twice.

Before use

Verify your solar controller/inverter has an RJ45 or DB9 port.
Ensure a 2.4G WiFi network is available.
Download the EPEVER mobile app.
Confirm the device is powered on.

Specs in practice

Input voltage: DC5V (powered by the communication port).
Communication method: RS485.
Working Frequency: 2.4~2.4835GHz.

Images and diagrams

The system connection diagram illustrates the adapter connecting the solar controller/inverter to the cloud/mobile app via a 2.4G WiFi network.

Model compatibility

RJ45 A model is for devices with RJ45 ports.
DB9 B model is for devices with DB9 interfaces.

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Manual page author

David Miller

Documentation analyst

Organizes user manual content into clear summaries, with attention to model details, product context, and everyday usability.