Lithium Battery Grading And Aging Cabinet

Sample Limitations

This testing equipment is prohibited from:

Testing or storing samples of flammable, explosive, or volatile substances.

Testing or storing samples of corrosive substances.

Testing or storing samples of strong electromagnetic radiation-emitting sources.

Testing or storing samples of radioactive materials.

Testing or storing samples of highly toxic substances.

Testing or storing samples that may produce any of the above-mentioned substances or objects during the testing or storage process.

2,Volume, Dimensions, and Weight

2.1 Nominal Volume

500L

2.2 Inner Dimensions

W810 mm×D400 mm×H1550 mm

2.3 Overall Dimensions

W1260 mm×D1060 mm×H1960 mm (Excluding Projections)

2.4 Net Weight

About 650kg

3,Performance

3.1 Temperature Range

0～85℃

3.2 Temperature Fluctuation

≤±2℃(Under No-Load, with Stable Temperature)

3.3 Temperature Deviation

±3.0℃(Under No-Load, with Stable Temperature)

3.4 Heating Time

25℃→85℃ ≤40 min(No-Load, Average Non-Linearity)

3.5 Cooling Time

25℃→0℃ ≤50 min(No-Load, Average Non-Linearity)

3.6 Thermal Load

≤500W (Caused by Heat Generation when the Battery Cell is Powered)

4,Structural Features

4.1 Insulated Enclosure Structure

External Wall Material: High-quality cold-rolled steel plate with surface coating (painted finish)
Internal Wall Material: Stainless steel plate SUS304
Insulation Material of the Enclosure: Polyurethane foam (insulation thickness ≥50mm)

4.2 Air Regulation Channel

Axial Flow Fan, Heater, Evaporator

4.3 Standard Configuration

Lead Holes (with Soft Rubber Plugs): Located on the left and right sides at the back of the enclosure, with 2 holes for each tray layer.

Caster Wheels: 4 casters (with brakes).

Observation Window: Double-layer hollow electric heat film anti-fog observation window (located on the door).

Visible Area: Approximately 420 × 600 mm (W × H), with electric anti-fogging film on the glass for optimal observation clarity.

Battery Tray: 8 layers of electrically insulated battery trays, weight capacity (evenly distributed): 15 kg/layer.

Lighting: LED lighting.

4.4 Control Panel

Touch control buttons, emergency stop buttons, etc.

4.5 Heater

Nickel-Chromium Alloy Resistance Wire Heater
Heater Control Method: Contactless Zero-Cross Pulse Width Modulation (PWM) via SSR (Solid State Relay)

5,Refrigeration System

5.1 Refrigeration Compressor

Fully Hermetic Reciprocating Compressor

5.2 Cooling Method

Air-Cooled

5.3 Throttling Device

Capillary Tube

5.4 Refrigerant

R404A

5.5 Welding Process

Nitrogen Protective Welding

6,Electrical Control System

6.1 Controller

Touch Controller (Independently Developed by NEWARE)+Button-type Controller

6.2 Setting Method

Touch Key Type

6.3 Control Method

Forced Circulation Ventilation and Balanced Temperature Control Method.
The control system calculates the output using PID automatic computation based on the set temperature value, adjusting the heater's output to achieve dynamic balance.

6.4 Communication Method

Ethernet standard interface

6.5 Temperature control module

Independently Developed (Tested for Reliability with High and Low Temperature Shock, Vibration, EMC, and Other Related Performance Tests)

7,Safety Protection Device

Test Chamber

Leakage Protection, Short Circuit Protection, and Abnormal Operation of Circulating Fan, etc.

8,Other Configurations

8.1 Power Cable

One 5-core Cable (Three-Phase Four-Wire + Protective Earth Wire) (Specific Specifications to be Selected According to Contract Requirements)

8.2 Main Power Leakage Circuit Breaker

Three-Phase Four-Wire + Protective Earth Line

9,Transportation The test chamber is of an integrated design, and will be shipped as a whole.

Size

Maximum Shipping Dimensions (Excluding Packaging): "See Section 2.3 Dimensions"

10,Operating Conditions: The user is responsible for ensuring the following conditions (installation of the power supply lines for the equipment is the responsibility of the user).

10.1Installation Site

The ground must be level, with flatness ≤ 5mm/2m.
Good ventilation must be ensured.
There should be no strong vibrations around the equipment.
There should be no strong electromagnetic field interference around the equipment.
There should be no flammable, explosive, corrosive substances or dust around the equipment.
Adequate space must be provided around the equipment for operation and maintenance. Sufficient space should be left around the equipment door to allow for normal opening and closing. No objects should be placed directly in front of the equipment door.

10.2 Environmental Conditions

Temperature: 5°C to 35°C; Relative Humidity: ≤ 85%; Atmospheric Pressure: 86 kPa to 106 kPa

10.3 Power Supply Conditions
Power Supply
Power Supply Capacity
Maximum Current

AC (380±38)V, (50±0.5)Hz, Three-Phase Five-Wire System
Protective Earth Ground Resistance: Less than 4Ω
The user is required to provide a properly sized air or power switch at the installation site, and this switch must be dedicated to this equipment.
4kW (Temperature Chamber) + 6kW (Test Power Supply)
8A + 12A

10.4 Others

Opening the door of the test chamber during the experiment will cause temperature fluctuations inside the chamber. If the door is opened multiple times, left open for extended periods, or if the test samples emit moisture during the test, it may cause frost or ice buildup on the heat exchanger of the refrigeration system, preventing it from functioning properly.

11,Constant Current and Constant Voltage Charging/Discharging Power Supply Parameters

11.1 Voltage Measurement Range

DC 0~5V

11.2Charging and Discharging Voltage Range

Charging DC 0~4.9V; Discharging DC 4.9-1.5V

11.3Voltage Accuracy

±(0.05%RD+0.05%FS)

11.4 Voltage Resolution

1mV

11.5 Current Range

Charging DC 30mA to 6A; Discharging DC 6A to 30mA, with a cutoff current of 10mA

11.6 Current Accuracy

±(0.05%RD+0.05%FS)

11.7 Voltage Resolution

1mA

11.8 Control Method

Each channel group can independently perform start, stop, pause, resume, and protection functions.
Each channel has an independent hardware control circuit for constant voltage and constant current.

11.9 Process Setup

Up to 32 steps and 256 cycles can be set.

11.10 Charging Mode

Constant Current Charging, Constant Current and Constant Voltage Charging

11.11 Charging Cutoff Conditions

Voltage, Current, Time, Capacity, -△V

11.12 Discharge Mode

Constant Current Discharge

11.13 Discharge Termination Conditions

Voltage, Time, Capacity

11.14Time Range

0～30000min/steps ,≤±1‰

11.15 Protection Function

1. Charging Overvoltage Protection, Charging Undervoltage Protection

2. Discharging Overvoltage Protection, Discharging Undervoltage Protection

3. Charging and Discharging Voltage Trend Protection

4. Voltage Fluctuation Protection

5. Current Fluctuation Protection

6. Battery Reverse Polarity Protection, Hardware Protection Method

7. Channel Capacity Alarm Protection (Timeout Protection)

8. Pre-process Voltage Check, Stop Channels with Excessive Voltage

9. Power-off Protection, Data Recovery After Power Failure

11.16 Data Processing

It can record data such as voltage, current, time, capacity, etc., and automatically calculate parameters such as constant current charging ratio, capacity loss, discharge efficiency, average voltage, median voltage, and other data. It provides data curves and cycle charts; the data can be exported in EXCEL and SQLITE database formats.

11.17 Communication Method

RS485

11.18Computer System (Customer-Supplied)

Intel Core i5, 6th generation or higher CPU

8GB RAM or more

500GB or more hard disk space

One LCD monitor

One set of mouse and keyboard

Windows 7 64-bit or higher operating system

One available USB serial communication port

One RJ45 Ethernet port