This equipment is used to perform performance testing on batteries that have undergone the formation process, aiming to obtain key parameters such as capacity and internal resistance. It also classifies and grades the batteries.
| Index Item | Specification |
|---|---|
| Channels | 8 |
| Input Power | AC 220V ±10% / 50Hz |
| Input Active Power | 400W |
| Resolution | AD: 24-bit; DA: 16-bit |
| Voltage | Constant Voltage Range Control: 0.025V ~ 5V |
| Minimum Discharge Voltage: Up to 1V at both ends of upper and lower fixtures; up to 1.5V with 2m cable length | |
| Accuracy: ±0.05% of FS | |
| Stability: ±0.05% of FS | |
| Current | Output Range per Channel: Range 1: 0.5mA - 0.1A; Range 2: 0.1A - 3A; Range 3: 3A - 6A |
| Accuracy: ±0.1% of FS | |
| Constant Voltage Cutoff Current: Range 1: 0.2mA; Range 2: 6mA; Range 3: 12mA | |
| Stability: ±0.05% of FS | |
| Power | Maximum Output Power per Channel: 30W |
| Stability: ±0.1% of FS | |
| Time | Current Rise Time: 20ms |
| Step Time Range: ≤ (365×24) hours per step Time format supports 00:00:00:00 (h, min, s, ms) | |
| Data Recording | Recording Conditions: Minimum time interval: 100ms Minimum voltage interval: 10mV Minimum current interval: Range 1: 0.2mA; Range 2: 6mA; Range 3: 12mA |
| Recording Frequency: 10Hz | |
| Charging | Charging Modes: Constant current charging, constant voltage charging, constant current-constant voltage charging, constant power charging |
| Cutoff Conditions: Voltage, current, relative time, capacity, energy, -△V | |
| Discharging | Discharging Modes: Constant current discharging, constant voltage discharging, constant current-constant voltage discharging, constant power discharging, constant resistance discharging |
| Cutoff Conditions: Voltage, current, relative time, capacity, energy | |
| Pulse Mode | Charging: Constant current mode, constant power mode |
| Discharging: Constant current mode, constant power mode | |
| Minimum Pulse Width: 500ms | |
| Number of Pulses: A single pulse step supports 32 different pulses | |
| Continuous Charge-Discharge Switching: A single pulse step can switch continuously from charging to discharging | |
| Cutoff Conditions: Voltage, relative time | |
| DCIR Testing | Supports custom sampling points for DCIR calculation |
| Cycling | Cycle Test Range: 1 ~ 65535 cycles |
| Number of Steps per Cycle: 254 | |
| Cycle Nesting: Supports nesting function with a maximum of 3 layers | |
| Protection | ● Power-off data protection ● Offline testing function ● Configurable safety protection conditions: voltage upper limit, voltage lower limit, current upper limit, current lower limit, capacity upper limit, delay time; reverse connection protection included |
| IP Rating | IP20 |
| Channel Features | Constant current source and constant voltage source adopt dual closed-loop structure |
| Channel Control Mode | Independent control |
| Voltage/Current Sampling | 4-wire connection |
| Noise | <55dB |
| Database | Uses MySQL database for centralized management of test data |
| Upper Computer Communication | Based on TCP/IP protocol |
| Server OS | Windows 7 / Windows 10 |
| Data Output Format | EXCEL 2003, 2010; TXT |
| Server Disk Configuration | 500GB |
| Communication Interface | Ethernet port |
| Leakage Current | <5μA |
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