What Happens When Customers Request Changes During FAT Testing?

As EV charging scenarios continue to diversify, flexible and customized mobile charging solutions are becoming increasingly important for commercial operations.

Recently, an Egyptian customer customized our META Mobile Charging & Energy Storage Solution, designed to support flexible charging deployment and efficient operation needs.

🔋 Product Configuration

The customized META unit is equipped with a 60kWh battery capacity, providing reliable mobile energy support for various charging scenarios.

To better meet the customer’s operational requirements, this customized META solution features dual-gun output, enabling simultaneous charging and improving charging efficiency for commercial applications.

In addition, the system supports integration with the customer’s own operation platform, allowing seamless connection with existing management systems and providing greater flexibility for operation and management.

To improve usability and operational flexibility, the customer requested three startup methods:

📱 QR Code Activation

🔐 Password Activation

💻 Software-Controlled Activation

The product also integrates both DC and AC recharging ports, allowing convenient power replenishment according to different site requirements and improving operational efficiency.

Its compact structure, simple operation, flexible deployment, and customized operational functions make it highly suitable for commercial operations, temporary charging applications, emergency power support, and mobile charging services.

📅 On May 21, the customer visited FES Power for product testing and FAT verification.

The testing process was detailed and comprehensive, covering charging performance, startup functions, platform connectivity, operational scenarios, and multiple functional modules. The overall testing progressed smoothly.

During testing, several software optimization requests were raised by the customer. Our engineering team responded immediately:

⚡ Software engineers rapidly modified and adjusted the system functions

⚡ On-site teams coordinated testing and verification simultaneously

⚡ Updates were implemented quickly to meet customer requirements within the testing process

This fast response capability ensured efficient communication and smooth project advancement.

At FES Power, we support small-batch product customization and provide rapid development services.

Our in-house team includes:

👨‍💻 Software Engineers

🔧 Hardware Installation Engineers

⚙️ Technical Support Teams

📋 Project Coordination Personnel

This allows us to quickly organize dedicated teams and deliver professional customized solutions according to different project requirements.

From product customization to testing and deployment, FES Power remains committed to providing flexible and reliable energy solutions for global customer