256-Channel 5V 10A Battery Capacity Grading and Testing Equipment
I. Equipment Configuration List
No.
Category
Product Name
Model
Quantity
Remark
1
Cell Grading Equipment
Pouch Cell Grading Machine
LITH-XL6512LK-5V6A
1 set
256CH5V10A
2
Accessories
Communication Accessories
Communication cables /
RJ45 plugs, etc.
Several
Suitable for on-site connection
II. Equipment Scope and Function
1) Equipment Application Scope:
Mainly used for cell formation and capacity grading. It is suitable for specific cell types (cell size drawings provided by the user).
Cell size: 170 mm × 70 mm (customization available for larger sizes).
2) Supported Test Functions:
Constant current charging, constant current–constant voltage charging, constant current discharging, resting, etc.
III. Process Flow Diagram
Manual loading → Send process step → Process completion → Manual unloading
IV. Equipment Description
1) Open-frame structure with four doors, 8 layers each, totaling 32 fixture trays.
2) Each tray holds 16 cells (16 channels), totaling 512 channels.
3) The equipment contacts the positive and negative poles of the cells for charge/discharge testing.
V. Environmental Requirements
1) Power supply: AC 380V ±10%, 50Hz ±5%, max cabinet input power: 20KW (512CH)
2) Ambient temperature: 0–40°C
3) Ambient humidity: ≤75% R.H (no condensation)
4) Environment: No strong vibration, no corrosive or flammable/explosive gases
5) ESD protection: Grounding required with independent grounding port
Ⅵ. Technical Parameters
No.
Item
Specification
1
Channel Control Mode
Whole-machine start testing
2
Voltage
Per-channel voltage range
Charge: 10 mV ~ 5000 mV
Accuracy
±(0.05%RD + 0.05%FS)
Resolution
1 mV
Minimum discharge voltage
2000 mV
3
Current
Per-channel current range
Charge: 10 mA ~ 10000 mA; Discharge: –10 mA ~ –10000 mA
Accuracy
±(0.05%RD + 0.05%FS)
Resolution
1 mA
4
Time
Step time range
1–1000 min/step, accuracy ±0.1%
5
Data
Save interval
Δt: 1–999 min; ΔU: 10 mV; ΔI: 10 mA
Statistics
Open-circuit voltage, average voltage, working time, current, capacity, platform capacity per step; detailed curves and data for each step; number of cells in each capacity segment
6
Charging
Charging modes
Constant current (CC), Constant current–constant voltage (CC-CV)
Cut-off conditions
Voltage, current, relative time, capacity
7
Discharging
Discharging mode
Constant current (CC) discharge
Cut-off conditions
Voltage, current, relative time, capacity
8
Cycle
Cycle measurement range
1–32 cycles
Steps per cycle
16
9
Curve Display
Current curve, voltage curve, capacity curve
10
Protection
Software protection
Power-off data protection; configurable safety limits: low/high voltage, low/high current, capacity upper limit
Hardware protection
Anti-reverse-connection protection module
11
Voltage & Current Sampling
Four-wire connection
12
Noise Level
< 75 dB (measured at 1000 mm)
13
Communication (Host PC)
CAN communication
14
Data Output
Excel, PDF, graphs
15
Accuracy Temperature Range
25 ± 3°C
16
Sorting Function
Yes; supports hardware LED sorting and software sorting
17
Inspection Speed
9 s
18
Equipment Failure Rate
≤ 2%
19
Offline Protection
Automatically pauses when communication is lost; resumes after confirmation via PC command
20
Appearance Color
International standard warm gray 1C
Ⅶ. Equipment Appearance
Item
Description
Equipment Dimensions
(For reference only, subject to the actual machine)
Size (mm)
L: 1600 mm W: 550 mm H: 1850 mm
Cell Layout
Cells are placed horizontally on trays.
Material Loading Method
Total 64 trays; each tray holds 4 cells; total machine capacity: 256 cells.
Clamping Method
Manual clamping
Cooling System
Air cooling with axial fans for heat dissipation
2. Clamp
Clamp
Online service
