Top Battery Discharge Tester Manufacturers and Suppliers in China

Battery Discharge Tester

Accuracy in evaluation of battery capacity, performance, longevity and overall functioning is achieved through our engineered testers. Rely on DEMIKS for all battery testing equipment as we satisfy all battery testing demands. For additional information about our services and products, please visit our webpage.

D850A-100A-10~300V

Safe and Efficient Discharge Process: Includes PTC ceramic resistors, which ensure safer discharge and support constant current division.
Advanced Wireless Monitoring: The wireless system supports voltage monitoring at long distances as well as 4 frequency bands for interference-free monitoring.
Data Analysis and Reporting: This device is equipped with PC software and a USB port, analyzes battery performance by monitoring voltage and current. It also generates detailed reports, graphs and performance curves of the data.
Comprehensive Battery Monitoring: Each discharge device facilitates monitoring of up to 300 batteries, highlighting the 6 highest and lowest voltages with optional colored displays.

Category	Item	Specification
Applicable Battery	Applicable Battery	DC220V Battery Group
	Discharge Voltage	DC 10V-300V
	Discharge Current	0-100A
	Working Mode	Standalone Mode, Parallel Master Mode, Parallel Slave Mode, Remote Controlled Mode
	Protection Performance	Battery test voltage over-voltage protection, under-voltage shutdown, over-current protection, reverse connection protection, 65¡ãC over-temperature protection, with LCD prompts and buzzer alarms
	Control Precision	Discharge current ≤±1% (FS); group end voltage ≤±0.1% (FS); single voltage ≤±0.05% (FS)
	PC Communication	RS485 interface, USB Interface, RF radio frequency communication 433M
	Data Storage Capacity	Built-in SD card 16G capacity, transfer U disk 16G capacity
Work Environment	Heat Radiation	Forced air cooling
	Temperature	Working range: -5~50°C; Storage temperature: -40~70°C
	Humidity	Relative humidity: 0-90% (40±2°C)
	Altitude	≤4000 meters
	Noise	<75dB
Working Power Supply	Working Power Supply	Single-phase AC220V (20%+30%), frequency: 4565Hz
	Charging Power Supply	Refer to the nameplate parameters or chassis identification
	Electric Strength Test	Input-Case: 2200Vdc 1min; Input-output: 2200Vdc 1min; Output-enclosure: 700Vdc 1min
	Safety	Meets EN610950

D850A-220-50A

Data Analysis: Reports and performance curves are generated using specific PC software.
Convenient Storage: Data can be transferred easily with a USB.
Comprehensive Protection: Protection alarms include over-temperature, over-voltage, over-current, and restore on reverse.
Customizable Termination: Termination by voltage, time, or capacity with set thresholds.
Flexible Control: Remote control via RS485, multi-machine parallel discharging.

Category	Parameter	Specification
Applicable Battery	DC Voltage Range	DC220V Battery Group
	Discharge Voltage	DC 176V-264V
	Discharge Current	0-50A
	Working Modes	Standalone, Parallel Master, Parallel Slave, Remote Controlled
	Protection Features	Over-voltage, Under-voltage Shutdown, Over-current, Reverse Connection, 65°C Over-Temp (LCD + Buzzer Alerts)
	Control Precision	Current: ≤±1% (FS); Voltage: ≤±0.1% (FS); Cell Resolution: 0.01V
	Communication Interfaces	RS485, USB, RF 433M
	Data Storage	16GB SD Card + 16GB USB Drive
Work Environment	Cooling Method	Forced Air Cooling
	Temperature Range	Operation: -5~50°C; Storage: -40~70°C
	Humidity	0-90% RH (at 40±2°C)
	Altitude	≤4000 Meters
	Noise Level	<75dB
Power Supply	Input Power	Single-phase AC220V (±30%), 45-65Hz
	Charging Power	Refer to Nameplate/Chassis Label
	Electric Strength Test	Input-Case: 2200Vdc 1min; Input-Output: 2200Vdc 1min; Output-Enclosure: 700Vdc 1min
	Safety Standard	Complies with EN610950

D850A-220-30A

Comprehensive Protection: It provides over-temperature, over-voltage, over-current, and reverse alarm protections.
Customizable Termination: Termination can be set at limit voltage, time, or capacity.
Project Alarm Prompt: A shutdown reason is displayed as an alert.
Automatic Shutdown: Upon reaching the preset conditions, operation will cease.
Accurate and Efficient Operation: Navigation throughout the device menus is guided by clarity and ease.

D850A-220-100A

Battery Pack Testing: Carries out the verification of capacity and anticipates the life span of battery packs.
Wireless Communication: Offers support for RF wireless data transmission in four frequency bands.
Multi-System Capacity: Controls and operates 300 batteries with 25 collection boxes.
Automatic Protections: User-defined safety and termination settings are implemented as standard features.
Smart Controls: Equipped with ARM control and HD touchscreen, along with dual language menus.

Applicable Battery	DC110V/220V
Discharge Voltage	DC88V-264V
Discharge Current	100A
Working Mode	Single machine mode, parallel host mode, parallel slave mode, remote controlled mode
Protection Capacity	Battery test voltage over-voltage protection, under-voltage shutdown, over-current protection, reverse protection, 65℃ over-temperature protection, and has LCD warning, buzzer alarm
Single cell voltage acquisition (optional)	The use of multi-band radio frequency wireless module, communication distance up to 100 meters, compatible with 2V/4V/6V/12V single battery voltage monitoring, 1 to 25 groups of radio frequency wireless monitoring module, up to 300 batteries can be monitored, a single wireless monitoring module can monitor 12 single batteries.
Control accuracy	Charging current ≤±1%(FS); Group terminal voltage ≤±0.5%(FS); Single cell voltage: ≤±0.1%(FS)
PC communication	RS485 interface, USB interface, RF radio frequency communication 433M
Data storage capacity	Built-in SD card 16G capacity, transfer to U disk 16G capacity
Working Environment
Dissipate heat	forced air cooling
Temperature	Operating range: -5 ~ 50℃ ,Storage temperature: -40 ~ 70℃
Humidity	Relative humidity 0~90% (40±2℃)
Altitude	Rated at 4000 meters above sea level
Noise	<75dB
Working Power
Voltage	Power supply: single-phase AC220V (-20% ~ +30%), frequency :45 ~ 65Hz;
	Charging power supply: refer to the nameplate parameters or chassis identifier
Voltage withstand test	Input to housing: 2200V DC 1min
	Input to output: 2200V DC 1min
	Output to housing: 700VDC 1min
Safety	Conform to EN610950
Wire Connection
AC input	National standard male socket, suitable for 1 ~ 1.5mm2 cable
Charging current cable	Cable quick connector (red positive black negative), specific size refer to "Packing list"

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