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128-Channel Prismatic Battery Capacity Grading Machine
PPCELL 128-channel prismatic battery capacity grading machine delivers high-precision charge/discharge testing and capacity sorting for prismatic aluminum-shell cells. Featuring 40A current range, ±0.05% voltage/current accuracy, and 0.1mV resolution, this grading system ensures consistent cell sorting for EV and ESS battery production. Computer-controlled with barcode scanning, MES-ready, and comprehensive safety protection.
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Product Overview – Prismatic Cell Capacity Grading Equipment
PPCELL’s 128-channel prismatic battery capacity grading machine is a high-precision testing system designed for capacity sorting and performance evaluation of prismatic aluminum-shell lithium batteries. This battery grading equipment is essential for EV and ESS battery manufacturing, ensuring that only cells with consistent capacity, voltage, and internal resistance proceed to module assembly.
The grading process involves controlled charge/discharge cycles to measure each cell’s actual capacity, followed by automatic sorting into performance grades. With 128 independent channels, 40A current range, and ±0.05% voltage/current accuracy, this prismatic battery tester delivers reliable, repeatable results for high-volume production lines.
Key Features – Battery Grading Machine
128 Independent Channels – Simultaneous testing of 128 cells with single-point independent control, enabling efficient high-volume capacity grading.
High-Precision Measurement – ±(0.05% RD + 0.05% FS) voltage/current accuracy with 0.1mV voltage resolution and 1mA current resolution ensures reliable cell sorting.
Wide Current Range – 80mA to 40A adjustable current range accommodates various prismatic cell capacities from small format to large EV cells.
Multiple Charge/Discharge Modes – Supports constant current, constant voltage, constant current-constant voltage, constant power, and constant resistance modes for flexible testing protocols.
Comprehensive Cell Compatibility – Handles prismatic cells with length 65-210mm, thickness 15-70mm, height 80-230mm, and tab length 40-150mm.
Computer-Controlled Operation – Full cabinet control with barcode scanning system for complete traceability and data management.
MES-Ready Integration – Standard communication interfaces for real-time data upload and full production traceability.
Advanced Safety Protection – Over-voltage, under-voltage, over-current, under-current, over-capacity protection, power failure protection, and data recovery.
Technical Specifications – Prismatic Cell Grading System
| Parameter | Specification |
|---|---|
| Channels | 128 channels (independent) |
| Power Supply | Three-phase five-wire AC380V ±10%, 50Hz |
| Dimensions (L×W×H) | 1880 × 1030 × 1843 mm |
| Working Power Consumption | ≤32 kW |
| Applicable Cell Types | Prismatic aluminum-shell cells |
| Cell Size Range (L×W×T) | Length: 65-210mm, Thickness: 15-70mm, Height: 80-230mm, Tab: 40-150mm |
| Charge Voltage Range | DC 0mV – 4.5V |
| Discharge Voltage Range | DC 2V – 4.5V |
| Constant Voltage Range | DC 2 – 4.5V |
| Voltage Measurement Range | DC 0V – 5V |
| Charge/Discharge Current Range | 80mA – 40A |
| Voltage Control/Sampling Resolution | 0.1mV |
| Voltage Measurement Control Accuracy | ±(0.05% RD + 0.05% FS) |
| Current Control/Sampling Resolution | 1mA |
| Current Measurement Control Accuracy | ±(0.05% RD + 0.05% FS) |
| Time Measurement Control Accuracy | ≤±0.1% |
| Charge/Discharge Modes | CC, CV, CC+CV, CP, CR |
| Charge Cut-off Conditions | Voltage, current, time, capacity, -△V |
| Discharge Cut-off Conditions | Voltage, time, capacity |
| Process Settings | Up to 64 steps, 256 cycles |
| Control Method | Computer control, full cabinet control with barcode scanning |
| Protection Functions | Over-voltage, under-voltage, over-current, under-current, over-capacity, power failure protection, data recovery |
Why Choose PPCELL Prismatic Battery Grading Equipment?
High Throughput – 128 channels enable simultaneous testing of 128 cells, maximizing production efficiency for high-volume battery manufacturing.
Precision Sorting – ±0.05% voltage/current accuracy and 0.1mV resolution ensure reliable capacity grading for consistent cell matching.
Wide Cell Compatibility – Supports a broad range of prismatic cell sizes (65-210mm length, 15-70mm thickness) for versatile production lines.
Flexible Testing Protocols – Multiple charge/discharge modes and programmable process settings (up to 64 steps, 256 cycles) accommodate diverse cell chemistries.
Full Traceability – Barcode scanning and computer-controlled data management ensure complete traceability from cell identification to final grading.
Comprehensive Safety – Multiple protection features safeguard both equipment and cells during testing.
Global Support – 15+ years of battery equipment expertise, with installation, training, and after-sales service worldwide.