Unable to output AC power

Thank you for contacting us. To quickly diagnose and resolve the issue with your device, please provide the following information:

Please confirm the following:

1. The specific scenario in which the issue occurs:

Scenario A: The device is unable to power connected appliances while simultaneously charging (via AC or solar input).
Scenario B: The device is unable to power connected appliances using battery-stored energy only.

2. Device status information:
What is the State of Charge (SOC) displayed on the device when the issue occurs?

3. Is the AC output button indicator light illuminated?

4. Does the LCD display show any error indicators or error codes?

5. Connected appliance details:
Please provide the name, model, and rated power (in watts, W) of the appliance(s) that are not receiving power.

6. Basic troubleshooting:
When using the same AC output socket, do other appliances power on and operate normally?

To help us expedite resolution, a photo showing the fault condition (e.g., an error code on screen) or a short video clip would be extremely helpful.

We understand this may take a few moments of your time, but the detail you provide will directly support accurate diagnosis and enable us to offer the most effective solution.

We look forward to your reply.