ZL-6041 High and Low Temperature Charge-Discharge Test Chamber

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Product Overview:

The High and Low Temperature Charge-Discharge Test Chamber is an integrated design combining a high-precision, high-performance battery tester with a high-temperature test chamber. Parameters can be set via the controller or computer software to perform charging and discharging on various batteries. It is used to test battery capacity, voltage, and current, and can conduct battery cycle tests, i.e., high-temperature life testing of products. When equipped with an optional temperature module, it can capture changes in charge/discharge data under different temperature conditions. Compared to traditional linear equipment, it offers high precision (default accuracy of 0.01% of range) and stable performance. It features single-point control, and the charge/discharge test is controlled using a dual closed-loop method with constant current source and constant voltage source. It connects to a computer via Ethernet, offering convenience and flexibility, and additional devices can be added at any time through a switch.

1. Equipment Name and Model

1.1 Equipment Name: High and Low Temperature Charge-Discharge Test Chamber

1.2 Equipment Model: ZL-6041

2.Equipment Overview:

2.1 Application	To verify the electrochemical performance of power banks under different high and low temperature environments.
2.2 Applicable Batteries	Suitable for finished power bank testing below 30V/5A.
2.3 Applicable Standards	Non-standard customized.
2.4 Test Requirements	The test object is a single cell or finished power bank. The test object is placed in an alternating temperature environment of (-40℃ ± 2℃) to (60℃ ± 2℃). The test object undergoes charge and discharge tests at each extreme temperature.

3.Equipment Functions and Features:

3.1 Control Mode	Touch screen (PLC) + computer software control.
3.2Control Method	Temperature control mode + charge-discharge control mode.
3.3 Heating System	The controller outputs signals through an SSR solid-state relay to achieve high-precision contactless switching control of the nickel-chromium alloy electric heating wire. PID pulse width modulation controls the SSR to automatically adjust the heating power.
3.4 Cooling System	Adopts a new intelligent energy-saving refrigeration unit design with a compressor-based refrigeration system. The refrigeration circuit uses cooling capacity servo control (BTHC) balanced temperature and humidity regulation. The system automatically switches the refrigerant flow according to different operating conditions, cutting off excess system capacity during constant temperature phases to achieve energy-saving operation.
3.5 Charge- Discharge System	The bidirectional ACDC module adopts space vector modulation technology with digital control, achieving high voltage utilization. The DCDC module uses advanced PID regulation technology with multiple protection mechanisms to ensure operational stability. Current harmonic shunting is minimized. Each channel is independently controlled, with four-wire current and voltage acquisition.
3.6 Chamber Structure	The equipment consists of two main parts: the controller and the test chamber, arranged in a left-right configuration. The test chamber is an independently sealed area, isolated from the chamber’s exhaust and lighting zones, preventing flames, high-temperature gases, leaked gases, etc., from spreading to other areas.
3.7 Explosion-Proof Measures	The door is equipped with four explosion-proof chains, a pressure relief valve is installed on the back of the chamber, and double-layered explosion-proof tempered glass is fitted.
3.8 Smoke Exhaust System	Equipped with a smoke exhaust system, independently controlled. When the test sample generates smoke, the smoke is exhausted through ducts. Features high airflow capacity, fire resistance, and high temperature resistance.
3.9 Data Acquisition	Modular data acquisition capable of collecting voltage, current, chamber temperature, and time data.
3.10 Data Export	Saved to the computer’s C drive, with itemized transfer available via the desktop.
3.11 Lighting	An LED light is installed at the front side of the chamber door, protected by a tempered glass cover to prevent damage from flames and projectiles.
3.12 Overall Structure	The main body of the test chamber is made of 1.5mm thick 304 stainless steel with full seam welding. Reinforcement is applied to the left and right rear sides. Pressure relief valves are installed on both the inner and outer chambers.
3.13 Safety Protection Features	Equipped with an over-temperature protection device. Equipped with an emergency stop button; the equipment cannot operate when the door is open. Dust protection is provided; the inner chamber uses a Teflon insulating panel that is both insulating and fireproof. Physical separation between the test area and electrical component area ensures that smoke and dust from fire cannot contaminate electrical components.
3.14 Safety Protection Devices
3.14.1 Pressure Relief Valve, Explosion-ProofChain, Exhaust Device	The equipment is equipped with an exhaust system. When smoke is generated by the test sample, the internal exhaust fan can be manually activated to extract the smoke through ducts into the exhaust pipeline. The system is fire-resistant and high-temperature resistant. A 300×300 mm pressure relief vent is provided. When the internal pressure rises sharply due to abnormal operating conditions, the relief vent automatically opens to mitigate destructive pressure inside the chamber and rapidly release pressure during battery explosion. An explosion-proof safety door handle design is adopted. The equipment is fitted with four explosion-proof chains of 10 mm diameter to protect other aspects of the equipment from damage and ensure the safety of test personnel. (Pressure Relief Vent Protective Device)
3.14.2 Three-Color Alarm Light	The equipment uses green, red, and yellow lights to indicate different operating statuses: Green – Equipment is operating normally. Yellow – Equipment is in a paused/standby state. Red – Equipment has a fault.

4.Technical Parameters:

4.1 Temperature Control Mode		Temperature Range	-40℃-+150℃
		Temperature Fluctuation	≤±0.5℃
		Temperature Uniformity	≤±0.01℃
		Temperature Deviation	≤±2.0℃
		Heating and Cooling Rate	Heating Rate: 1–3°C/min (non-linear, no-load) within the range of +25°C to +60°C, achieved within 15 minutes. Cooling Rate: 1°C/min (non-linear, no-load) within the range of +25°C to -20°C, achieved within 35 minutes.
4.2 Charge/Discharge Mode		Charging Mode	Constant current charging, constant voltage charging, constant current constant voltage charging, constant power charging
		Voltage Range	Charging	The charging current is controlled by the power bank charging board, accuracy ±0.05% of FS. 10mA–5A
			Discharging	10mA-5A
		Current Range	Charge	Built-in PD power supply, PD charging adapter, supports PD3.0, PD2.0, QC, FCP, AFC; accuracy ±0.05% of FS.
			Discharge	Supports PD3.0, PD2.0, QC, FCP, AFC and other protocols.
		Charge/Discharge Specifications	30V5A-64CH/0.05%
	4.3 Channel Distribution	Number of Equipment Channels	16+48CH (48 channels are reserved and can be directly used by adding modules later)
		Control Method	Each channel is independently controlled, with four-wire current and voltage acquisition
		Channel Characteristics	Constant current source and constant voltage source adopt a double closed-loop structure
		Communication Protocol	Supports PD/QC: 5V/9V/12V/15V/20V/30V, a total of 6 charge/discharge protocols
		Compatible Products	For aging tests of power banks from brands such as Xiaomi, Anker, Meituan, etc., the communication protocol shall prevail
	4.4 Explosion-Proof Chamber Space	Built-in four-layer insulated and burn-resistant shelf board, load capacity 30KG.
	4.5 Test Duration	0~99 hours 99 minutes 99 seconds, the time status can be arbitrarily set and adjusted according to the process steps, and will automatically terminate upon completion.
	4.6 Chamber Material	Inner chamber is made of 1.5mm thick 304 stainless steel with full seam welding and reinforcement on all sides. Built-in high-density polyurethane foam insulation material. Outer chamber is 1.5mm cold-rolled steel plate with electrostatic spraying.
	4.7 Inner Chamber Dimensions	800600850mm (LWH) (Each layer can hold 16CH, a total of four layers per single chamber, maximum 64CH per chamber)
	4.8 Fixture Connection Method	On the right side of the chamber, 64 power bank aviation plug interfaces are reserved, arranged in 4 layers and 4 rows. The interfaces on the right side of the chamber are arranged to connect to the inside of the chamber for high and low temperature charge/discharge tests of power banks.
	4.9 Outer Chamber Dimensions	Approximately 195015002050mm (LWH)
	4.10 Power Supply	AC380V/50Hz
	4.11 Equipment Power	Charge/Discharge 9.6KW + High/Low Temperature Chamber 8KW = 17.6KW
	4.12 Equipment Weight	Charge/Discharge 9.6KW + High/Low Temperature Chamber 8KW = 17.6KW

5.Equipment Software:

5.1 The measurement and control software is suitable for high and low temperature charge/discharge test chambers for performing high temperature, low temperature, and charge/discharge tests on batteries. It can perform automatic data analysis and allows free selection of stop conditions, such as setting run time, chamber temperature, battery voltage, current, data recording, etc.

5.2 Real-time measurement and display of various signals including chamber temperature, battery charge/discharge status, voltage, current, etc.

6.Equipment Configuration and Accessories:

Name	Brand	Origin	Name	Brand	Origin
Control Computer	Xiaomi	Beijing, China	Sheet Metal Main Body	Self-developed	Dongguan, China
Relay	Schneider	France	Exhaust Fan	Customized	Dongguan, China
Universal Caster	Shangkun	China	Phase Sequence Protector	Jialet	Switzerland
Switching Power Supply	Mean Well	Taiwan, China	Temperature Data Logger	Artai	Beijing, China
Push Button Switch	Zhengtai	China	Control Software	Dongguan Jiedong	Dongguan, China
Refrigerant	DuPont	USA	Condenser	Yongqiang	Taiwan, China
Refrigeration Oil	Ice Bear	UK	Evaporator	Yongqiang	Taiwan, China
Dryer	DANFOSS	Denmark	Oil Separator	EMERSON	USA
High/Low Pressure Switch	DANFOSS	Denmark	Heater	Weide	Taiwan, China
Refrigeration Solenoid Valve	DANFOSS	Denmark	Liquid Expansion Gas Switch	RAINBOW	South Korea
Power Module	Tuwei	Xi’an, China	Motor	Zibang	China
Control Chip	Customized	USA	Compressor	Emerson	USA
Test Fixture	Self-developed	Dongguan, China	Pressure Gauge	Danfoss	Denmark
Three-Color Light	Customized	Dongguan, China	High/Low Temperature Protector	Yatai	China

7.Standard Accessories:

Description	Quantity	Remarks
Operation Software	1 set
Test Fixtures	16+48 sets	Charge/discharge test fixtures / insulating shelf board
Computer	1 set
User Manual & Maintenance Manual	1 copy
Factory Inspection Report, Certificate of Conformity, Warranty Card, etc.	1 each

8.Equipment Delivery List:

1.User Manual

2.Delivery Note

3.Testing Machine Main Unit (1 unit)

4.Certificate of Conformity & Warranty Certificate

9.Environmental Requirements for Use:

Specification	Requirement
Equipment Environmental Requirements	Temperature below 30°C, humidity below 70%
Power Supply	AC380V, 50/60Hz
Water Source	None
Vacuum	None
Compressed Air	None
Floor Requirement & Load Bearing	Concrete floor ≥ 500KG/m²
Network Requirement	Connected to charge/discharge system
Smoke, Dust, Exhaust Gas, Wastewater Treatment & Factory Construction Requirements	Exhaust Outlet Interface φ150mm

ZL-6041 High and Low Temperature Charge-Discharge Test Chamber

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ZL-6041 High and Low Temperature Charge-Discharge Test Chamber

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