Automatic Cylindrical Battery Cell Sorting Machine
Product Description
The ACEY-AS5S is an automatic cylindrical battery cell sorting machine designed to test and classify cylindrical lithium-ion battery cells according to their voltage and internal resistance. It is suitable for battery manufacturers, battery pack assembly companies, battery testing facilities, and production lines that need to sort large quantities of cylindrical cells consistently.
The machine supports cylindrical battery formats including 18650, 21700, 26650, 32650, and 32700. Different cell sizes can be accommodated by changing the feeding mold, allowing the same sorting system to be adapted to different cylindrical battery applications.
During operation, battery cells are automatically fed into the testing section, where the system measures DC voltage and AC internal resistance. According to preset sorting criteria, the cells are automatically directed into different matching groups or an unqualified-product channel.
Applications
The automatic cylindrical battery cell sorting machine is suitable for:
- 18650 battery pack assembly
- 21700 battery pack assembly
- 26650 and 32700 cylindrical battery production
- Lithium-ion battery cell matching
- Battery cell grading and classification
- Battery manufacturing quality control
- Battery pack production lines
- Battery testing and R&D facilities
The machine is particularly useful before battery pack assembly, where cells with similar voltage and internal resistance need to be grouped together to improve battery pack consistency.
Product Features
*Automatically classify the voltage and internal resistance of cylindrical batteries such as 18650, 21700, 26650, 32650, 32700 and so on.
* Remarkably high precision and speed, a high level of automation, and high productivity.
* Operation via a touch screen, which is easy and quick to respond to.
* The process detection signal is extensive and varied, ensuring sufficient maturity and reliability.
* The thoughtful handling of delicate links effectively safeguards the safety of operators and products.
Main technical parameters
| Parameter | Specification |
| Model | ACEY-AS5S |
| Battery Type | Cylindrical Lithium-ion Cells |
| Compatible Cell Sizes | 18650 / 21700 / 26650 / 32650 / 32700 |
| Test Parameters | DC Voltage / AC Internal Resistance |
| Sorting Channels | 4 Matching Groups + 1 Reject Channel |
| Sorting Speed | Up to 80 PPM |
| Voltage Test Range | Up to 8V |
| Voltage Resolution | 0.01mV |
| Voltage Accuracy | ±0.015%rdg |
| Internal Resistance Range | Up to 80mΩ |
| Internal Resistance Resolution | 0.01mΩ |
| Internal Resistance Accuracy | ±0.5%rdg |
| Power Supply | Single-phase 220V ±10%, 50Hz ±10% |
| Power Consumption | <800W |
| Machine Size | 960 × 540 × 1350 mm |
| Weight | <150 kg |
Product Details
Why Sort Lithium Battery Cells by Voltage and Internal Resistance?
Cylindrical lithium-ion cells can have small differences in voltage and internal resistance even when they have the same model and nominal capacity. When cells with significantly different electrical characteristics are combined into a battery pack, these differences can affect pack consistency and overall performance.
Battery cell sorting helps manufacturers group cells with similar electrical characteristics before battery pack assembly.
Sorting by voltage helps identify cells with different states of charge or electrical conditions, while internal resistance testing provides an additional parameter for evaluating cell consistency. By combining these measurements with predefined sorting criteria, an automatic battery sorting machine can classify cells into different groups more efficiently than manual inspection.
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