50 Units ACEY-BCT560-64P Energy Feedback Battery Capacity Grading Machine for German Energy Storage Maker

Project Overview

This case study presents a successful cooperation between ACEY and a German energy storage battery manufacturer. As demand for reliable energy storage systems continues to rise across Europe, the customer needed to strengthen cell consistency and reduce the energy consumed by large-scale charge-discharge testing.

To solve these problems, ACEY delivered 50 units of the ACEY-BCT560-64P Energy Feedback Battery Capacity Grading Machine, supporting charge-discharge testing, capacity testing and grading of energy storage cells on the customer's production line.

Customer Background

Challenges

• Cell consistency: During energy storage battery production, cells with different performance levels could be assembled without capacity testing and grading. This increased performance differences between cells and made consistency management far more difficult.
• Energy consumption: Energy storage cells require continuous charge-discharge testing. Traditional testing methods consume large amounts of discharge energy, and the customer was concerned about energy utilization and operating costs during batch testing.

Solution

ACEY supplied 50 units of the ACEY-BCT560-64P, giving the manufacturer a complete solution for cell testing and grading:

1. The machine helps the manufacturer test and analyze cells from different batches, classify them based on test data, and provide reliable data support for cell matching, grouping and consistency management during battery assembly.
2. The machine uses a bidirectional AC/DC inverter module to feed discharge energy back to the grid, reducing direct consumption of discharge energy during testing and improving overall energy efficiency.

Project Results

The deployment delivered measurable improvements across testing productivity, data handling and energy efficiency.

Beyond the numbers, the customer significantly reduced repetitive work caused by cell grading and data processing, freeing operators to focus on higher-value tasks.

Customer Feedback

The customer responded positively to the testing efficiency, batch quality analysis, cell grading and discharge energy feedback performance of the equipment. They reported that the machine helps optimize cell consistency management and reduces repetitive data processing and rework. Meanwhile, the energy feedback function returns battery discharge energy to the factory's AC grid, improving energy utilization during batch charge-discharge testing. Overall, the customer expressed satisfaction with the application results.

Why It Matters

For energy storage battery manufacturers, cell consistency and energy efficiency are two decisive factors for product quality and operating cost. ACEY's energy feedback capacity grading technology helps customers turn testing from a cost center into a controllable, data-driven process, improving quality while cutting energy waste.