Battery Cell Capacity Grading Cabinet

1. Equipment Overview

The Battery Cell Capacity Grading Cabinet is a specialized system for grading battery cells based on their capacity, voltage, and other performance parameters. Designed for precise measurement and efficient sorting, this equipment ensures consistent quality and performance in battery production. It is widely used in lithium-ion cell manufacturing for applications in EVs, energy storage systems (ESS), and consumer electronics.

2. Key Features

High Precision: Accurate measurement of voltage, current, and capacity.

Multi-Channel Design: Simultaneous testing of multiple cells.

Dynamic Range: Supports a wide range of battery capacities.

Automation: Automatic grading and sorting based on user-defined criteria.

Data Management: Real-time monitoring and comprehensive reporting.

3. Technical Specifications

3.1 Measurement Capabilities

Voltage Range: 0–5 V (configurable).

Voltage Accuracy: ±0.1%.

Current Range: 0.1–6 A (configurable).

Current Accuracy: ±0.1%.

Capacity Measurement:

Range: 100 mAh – 100 Ah.

Accuracy: ±0.2%.

Energy Measurement: Up to 500 Wh per channel.

3.2 Channel Configuration

Number of Channels: 32–256 (expandable).

Channel Independence: Each channel operates independently for testing and grading.

Parallel Operation: Channels can be grouped for testing higher-capacity cells.

3.3 Grading Functionality

Grading Levels: Up to 8 levels based on capacity, voltage, and internal resistance.

Sorting Accuracy: ±1%.

Cycle Support: Programmable charge/discharge cycles for performance testing.

3.4 Control System

Interface:

15-inch touchscreen HMI for setup and operation.

Multi-language support (English, Chinese, etc.).

Programming: User-friendly software for test parameter setup and grading criteria.

Connectivity: Ethernet, USB, and Wi-Fi for data transfer and remote control.

Data Management:

Real-time monitoring and graphing.

Data export in CSV, Excel, and PDF formats.

3.5 Electrical Specifications

Power Supply: AC 380V ±10%, 50/60 Hz, 3-phase.

Power Consumption: Up to 10 kW (depends on channel count).

Control Voltage: 24V DC for sensors and electronics.

3.6 Safety Features

Overcurrent and Overvoltage Protection: Prevents damage to cells and equipment.

Short-Circuit Protection: Automatic shutdown upon fault detection.

Temperature Monitoring: Integrated sensors for thermal management.

Emergency Stop: Accessible shutdown button for operator safety.

Certifications: CE, UL, ISO 9001.

3.7 Environmental Requirements

Operating Temperature: 10–35°C.

Humidity: ≤60% RH (non-condensing).

Ventilation: Built-in system for heat dissipation and airflow.

4. Mechanical Design

Cabinet Dimensions:

Length: 1,500–2,000 mm.

Width: 800–1,000 mm.

Height: 2,000 mm.

Weight: 1,000–1,500 kg (depends on configuration).

Cell Fixtures: Adjustable slots for various battery cell sizes.

5. Applications

EV Battery Production: Capacity grading for prismatic, cylindrical, and pouch cells.

Energy Storage Systems: Sorting cells for large-scale storage modules.

Consumer Electronics: Grading small cells for portable devices.

6. Maintenance and Warranty

Maintenance Schedule:

Weekly: Inspect connections, cables, and cell fixtures.

Monthly: Test channel accuracy and recalibrate if necessary.

Annually: Comprehensive system diagnostics and software updates.

Warranty Period:

Standard: 12 months.

Extended: Available upon request.