Battery Test Equipments

Application scenarios

● Battery materials research
● 3C products

● Power/energy storage cells (Power tools, Electric vehicles and etc.)

● Electric vehicles
● Communication base stations
● Energy storage and other battery pack
● Electric bus
● Large energy storage battery pack
● Power/energy storage cells (Power tools, Electric vehicles, Energy storage cells and etc.)

● Battery materials research
● 3C products
● Power/energy storage cells (Power tools, Electric vehicles and etc.)

● Battery materials research
● 3C battery research and etc.

Voltage ranges

5V / 6V / 10V / 20V

5V

5V / 6V / ... /
500V / ... / 1000V

5V / 10V / 20V /
24V / 30V

5V

Current ranges

10mA / ... / 100mA /
6A / 12A

100mA / 20A / 30A /
... / 500A / ... /
1500A

20A / 30A / 40A /
60A / ... / 600A /
... / 1200A

100mA / 10A / 15A /
... / 75A / ... /
1200A / ... / 7200A

5A / 6A / 6.5A /
12A / 13A

Resolution

AD: 16bit
DA: 16bit

AD: 16bit / 24bit
DA: 16bit

AD: 24bit
DA: 24bit

AD: 16bit
DA: 16bit

Display resolution

0.1mV / 0.1mA

Input impedance

≥1MΩ / ≥1GΩ / ≥100kΩ

≥100kΩ / ≥1MΩ

≥1MΩ

Main channel ≥ 1MΩ
Auxiliary channel ≥ 200kΩ / 1GΩ

≥1000MΩ Startup state (shutdown leakage current is 100 μA)

Energy feedback function (energy saving)

—

Supports: ≥65% (Full load)
Not support for linear power supply solution

Supports:
>75% (Full load)
>90% (Full load)
>94% (Full load)

Supports: ≥80% (Full load)
Not support for linear power scheme

—

Power factor (PF)

≥99% (Full load)

Lowest discharge voltage

-5V / 0V / 1V /
1.5V / 2V / 2.5V

0V / 2.5V

-10V / 1.7V / 3V /
5V / 10V / 30V

-5V / -3V / 0V /
1.5V / 2.5V

-5V / 0.7V

Voltage accuracy

± 0.01% F.S.
± 0.02% F.S.
± 0.05% F.S.
± 0.1% F.S.

± 0.01% F.S.
± 0.02% F.S.
± 0.05% F.S.

± 0.02% F.S.

Voltage stability

± 0.01% F.S.
± 0.02% F.S.
± 0.05% F.S.
± 0.1% F.S.

± 0.01% F.S.
± 0.02% F.S.
± 0.05% F.S.

± 0.01% F.S.
± 0.05% F.S.

± 0.01% F.S.

Current range segmentation

Single range
Three ranges
Four ranges

Three ranges
Four ranges

Single range

Single range
Three ranges
Four ranges
Multi-ranges

Four ranges

Current accuracy

± 0.02% F.S.
± 0.05% F.S.
± 0.1% F.S.

± 0.02% F.S.
± 0.05% F.S.

± 0.05% F.S.

± 0.02% F.S.
± 0.03% F.S.
± 0.05% F.S.

± 0.02% F.S.

Constant voltage cut-off current

Each independent range* 0.2%

Each independent range* 0.1%

—

Current stability

± 0.02% F.S.
± 0.05% F.S.
± 0.1% F.S.

± 0.02% F.S.
± 0.05% F.S.

± 0.05% F.S.
± 0.025% F.S.

± 0.01% F.S.
± 0.015% F.S.
± 0.025% F.S.

± 0.01% F.S.

Single-channel maximum power

Voltage * Current

Power stability

± 0.03% F.S.
± 0.5% F.S.
± 0.1% F.S.

± 0.1% F.S.

± 0.05% F.S.

± 0.02% F.S.
± 0.05% F.S.

± 0.01% F.S.

Current response time

≤20ms / ≤500μs / ≤1ms

≤5ms / ≤10ms

≤3ms / ≤5ms

≤20ms / ≤30ms / ≤1ms

≤100μs

Charging and discharge conversion time

≤40ms / ≤25ms

≤20ms

≤6ms / ≤10ms

≤20ms / ≤30ms / ≤2ms

35ms

Record frequency

100ms (10Hz)

10ms (100Hz)

10ms (100Hz)
The auxiliary channel is 10Hz

10ms (100Hz)

1ms (1000Hz)

Minimum voltage interval

Voltage range * 0.2%

—

Voltage range * 0.2%

Minimum current interval

Each independent current range * 0.2%

—

Charge and discharge mode

● Constant current charge and discharge
● Constant voltage charge and discharge
● Constant current constant voltage charge and discharge
● Constant power charge and discharge
● Pulse charge and discharge
● Constant resistance charge and discharge
● Follow mode charge and discharge and etc.

● Constant current charge and discharge
● Constant voltage charge
● Constant current constant voltage charge and discharge
● Constant power charge and discharge
● Constant power constant voltage charge and discharge
● Pulse charge and discharge
● Constant resistance discharge and etc.

Cut-off condition

Voltage, Current, Relative time, Capacity, -△V and etc.

Voltage, Current, Relative time, Capacity, Energy, -△V, Custom variables, and etc.

Pulse/condition function

Pulse

Pulse / Condition

Condition

Pulse / Condition

Charge/discharge mode (pulse/condition)

Constant current mode
Constant power mode

—

Constant current mode
Constant power mode

Minimum Pulse Width (pulse/condition)

500ms

100ms / 500ms

100ms

—

400μs

Pulses numbers

A single pulse step supports 32 different pulses

—

A single pulse step supports 16 different pulse segments

Continuous switch of charge and discharge (pulse)

A pulse step can realize the continuous switch from charge to discharge

—

A pulse working step can realize continuous switching of charge, or continuous switching of discharge

Cut-off condition (pulse/condition)

Voltage, Relative time

—

Voltage, Number of pulses, Working time

Step file line limit

Do not support

Support

DCIR test

Support

Channel bundling

Greater than 50A supports four-channel parallel connection

Supports a maximum of two adjacent channels in parallel

Parallel connection of up to 4 channels is supported.
Pulse and simulation tests are not supported after parallel connection

Energy saving devices of 75A and higher support parallel channels

Do not support

Loop setting ranges

65535

Loop nesting

≤3 layers

≤4 layers

Edit the number of work steps in a single process

254

255

Software/hardware protection

● Power down data protection
● Offline testing
● Voltage upper/lower limits
● Current upper/lower limits
● Capacity limits
● Delay time
● Reverse connection protection
● Custom variable protection
● Overvoltage protection
● Overvcurrent protection
● Overtemperature protection
● Emergency stop protection

● Power down data protection
● Offline testing
● Voltage upper/lower limits
● Current upper/lower limits
● Delay time
● Reverse connection protection
● Overvoltage protection
● Overvcurrent protection
● Overtemperature protection

● Input over voltage protection
● Output overvoltage protection
● Input over current protection
● Output current protection
● Overheating protection
● Overload protection
● Output empty load protection
● Power down data protection
● Offline testing
● Reverse connection protection
● Voltage upper/lower limits
● Current upper/lower limits
● Delay time
● Capacity limits,
● Energy upper limit
● Control parameter out-of-tolerance protection
● Current/voltage fluctuation protection
● Voltage slope protection
● Delay protection
● Auxiliary voltage protection
● Auxiliary temperature protection

● Input over voltage protection
● Output overvoltage protection
● Input over current protection
● Output current protection
● Overheating protection
● Overload protection
● Output empty load protection
● Power down data protection
● Offline testing
● Security conditions seting
● Reverse connection protection
● Voltage upper/lower limits
● Current upper/lower limits
● Delay time
● Capacity limits
● Energy upper limit
● Control parameter out-of-tolerance protection
● Current/voltage fluctuation protection
● Voltage slope protection
● Delay protection
● Auxiliary voltage protection
● Auxiliary temperature protection

IP protection level

Protection level IP20

Channel characteristics

● Constant current source and constant voltage source adopt double closed-loop structure

● Constant current source and constant voltage source adopt double closed-loop structure
● Supports parallel connection of any adjacent channel
● Supports fault-tolerant operation (shielding fault channels)
● Energy Saving Inverter Technology, Energy flow locally between channels
● Adopt automotive main control scheme, 200kHz high-frequency conversion
● Low ripple noise, Small volume, Low energy consumption and heat production
● Constant current source and constant pressure source using independent double closed loop structure
● Integrated system design, the unit machine directly connects to the test server
● 100Hz high speed sampling
● 1GB offline storage capacity per channel

● Constant current source and constant voltage source adopt double closed-loop structure

Channel control mode

Individual control

Voltage and current detection sampling

Four wire connection

Noise level

<85dB
<75dB
<55dB
<45dB

<65dB
<75dB

<80dB
<85dB

<80dB

Database

Using MySQL database to manage test data

Communication mode of host computer

Based on TCP/IP protocols

Data transfer mode

Excel, Txt

NDA, Excel (customized export way of circulation layer, work layer, record layer, diagram, self- defined report), TXT, CSV

NDA, Excel (customized export way of circulation layer, work layer, record layer, diagram, self- defined report) , TXT, CSV

Server operating system

Windows 7, Windows10 or above

Communication interface

● Network interface
● Support CAN
● RS485 and BMS communication
● Support DBC configuration function (optional)

● Ethernet network
● Support CAN
● RS485 and BMS communication
● Support DBC configuration function (optional)

● Network interface
● Multiple machines extend communication through switches and routers (optional)

● Network interface

Working temperature

● 0℃ ~ 40℃ (in the range of 25±10℃, guaranteeing testing accurancy with fluctuation of 0.005% F.S. /℃)

● -10℃ ~ 40℃ (in the range of 25±10℃, guaranteeing testing accurancy with fluctuation of 0.005% F.S. /℃)

● 25±10℃ / 25±5℃ (guaranteeing accurancy)
● 25±20℃ (limiting usage temperature)

● 25±5℃ (guaranteeing accurancy)
● 25±20℃ (limiting usage temperature)

Storage temperature

-10℃ ~ 50℃

-20℃ ~ 50℃

0℃ ~ 45℃

0℃ ~ 60℃

Relative humidity range of the working environment

≤70% RH (No condensation)

30% ~ 80% RH (No condensation)

≤70% RH (No condensation)

Relative humidity range of the storage environment

≤80% RH (No condensation)

30% ~ 90% RH (No condensation)

≤80% RH (No condensation)

Note：Whether to support battery test with a protection plate

Not available when the voltage ≥20V

Not available

Available

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