High-Precision Charge & Discharge System for Li-ion, Lead-acid, Ni-Cd, and NiMH Batteries
Applicable International Standards
The equipment supports testing in accordance with major global battery standards, including:
- IEC 61960 — Secondary lithium cells and batteries
- IEC 62620 — Secondary lithium cells for industrial applications
- IEC 62133 — Safety requirements for portable sealed batteries
- UL 2054 / UL 1642 — Household & lithium battery safety standards
- IEEE 1725 / IEEE 1625 — Rechargeable battery system requirements
- GB/T 18287, GB/Z 18333 — Lithium-ion battery testing standards
Applications
The Lithium Battery Cell Cycler Tester is widely used in:
- Battery R&D laboratories
- Production line quality inspection
- Cycle life & durability verification
- Capacity measurement and grading
- Performance evaluation for EV cells, power packs, and energy storage modules
- Battery protection board (PCM/BMS) evaluation
- Charge/discharge simulation for real-world working conditions
Core Test Functions
This system supports comprehensive electrical performance testing:
- Cycle Life Testing – Verify long-term degradation, capacity fade, and internal resistance growth.
- Capacity Testing – Accurate measurement under constant current/constant voltage.
- Charge/Discharge Characteristic Testing
- Charge Retention & Efficiency Testing
- Over-charge / Over-discharge Tolerance
- Working Condition Simulation Testing – Import Excel-based profiles (time-current or time-power mode) with millisecond-level control.
- RSOC & SOC Capacity Calculation – Includes AH cumulative capacity calculator.
- Automatic Excel Data Export – Each channel can automatically output customized reports.
- Third-party Equipment Control (Optional) – Supports environmental chamber integration via external protocol.
Key Features & Advantages
1. High Reliability & Low Noise
- Stable operation based on industrial-grade components
- Better thermal management, suitable for long-duration cycle tests
2. High Energy Efficiency — Grid Feedback ≥ 70%
- Both charging and discharging return energy to the grid
- Saves electricity consumption & reduces air-conditioning load
3. 16-bit High-Precision ADC/DAC
- Ensures accurate voltage & current sampling
- Excellent long-term stability for aging tests
4. Intelligent Safety Protection
- DL Dynamic Load Protection prevents sparks & current shocks
- Voltage Clamp Protection prevents PCB or cell damage
- ECD & EVD Protection auto-stops unqualified battery conditions
- Fixture Contact Impedance Monitoring prevents unsafe poor-contact events
5. Advanced Charging Technology
- Smooth CCCV transition
- Avoids micro short-circuits caused by peak current impact
- Protects battery PCM / BMS from over-charging triggers
6. Powerful Software Platform
- Working condition simulation, capacity testing, charge/discharge sequencing
- Real-time & historical data statistics
- Supports R&D workflow optimization and fast data analysis
7. Modular Design
- Each module uses single-phase 220V power for easy installation
- Suitable for flexible laboratory or pilot line setups
Working Environment:
| Item | Specification |
|---|---|
| Power Supply | AC 380V ±10%, 50Hz ±5% (customizable) |
| Operating Temperature | 0 – 45℃ |
| Operating Humidity | ≤ 85% RH (non-condensing) |
| Installation Conditions | No severe vibration; no corrosive, flammable, or explosive gases |
| Resolution | AD 16-bit |
technical parameter:
| Model | BND-BCCT | ||
| Main channels | 4CH/ module | ||
| Channel working mode | Completely independent. | ||
| Main channel working mode | Charge: CC, CV, CP, CCCV, no voltage or current impact when CC transfer to CV. | ||
| Discharge: CD, CV, CP, CR, DCCV. | |||
| Rest, Pause, Pulse test, Working Condition test, DCIR test. | |||
| Main channel test cutoff condition | Time, total voltage, total current, capacity, -ΔV, Vcell, RSOC, etc. | ||
| Main channel Voltage | Single channel test range | 0V-5V | |
| Min. discharge voltage | 1V | ||
| Accuracy | ±0.05%FS | ||
| Resolution | 0.1mV | ||
| Main channel Current | Single channel test range | ±100A | |
| Min. output current | 100mA | ||
| Accuracy | ±0.05%FS | ||
| Resolution | 1mA | ||
| Current start response time | <10ms(10%FS~90%FS) | ||
| Time | Resolution | 10mS | |
| Auxiliary temperature (Optional) | Range | -20℃~100℃ | |
| Accuracy | ±1℃(0℃~70℃) | ||
| Resolution | 0.1℃ | ||
| Power | Output power | Single channel continuous working power 500W | |
| Stability | ±0.1%FS | ||
| Communication | LAN | ||
| Control program | Support data protection when power off, continue testing caused of power cutoff or manually stop and revise step parameter online. | ||
| Users can set protection condition, include minimum voltage, maximum voltage, minimum current, maximum current, etc. | |||
| Users can set auxiliary channel protection condition, including minimum voltage, maximum voltage, maximum temperature, minimum temperature. | |||
| Cycle time | Max. 9999 | ||
| Programmable step | Max. 9999 | ||
| Nested loop | Max. 10 layers | ||
| Step time range | No limit, support h, min, s | ||
| Data record | Time≥10ms,Voltage≥0.05%FS,Current≥0.05%FS | ||
| Program feature | Each step has one or multiple exit | ||
| Data display | Cycle list | Circulation number. Charge/discharge capacity, efficiency, power and average voltage, etc. | |
| Process list | Process number, working mode, process time, capacity, power, DIR, medium voltage, cut-off voltage, cut-off current, etc. | ||
| Detail list | Record number, system time, cumulative time, voltage, current, energy, power, cell temperature, etc. | ||
| Data export | Data can be exported as EXCEL, TXT or diagram. Provide charge discharge efficiency, charge discharge curve, voltage, capacity, current-time characteristic curves, etc. | ||
| Data saving | Save as files | ||
| Curves type | X-coordinate: total time, charge discharge capacity, cycle time, voltage, current, capacity. | ||
| Y-coordinate: total voltage, current, capacity, power, cell temperature(Optional), end of charge and discharge capacity, etc. | |||
| Software protection | Power off data protection, power resume continue testing, OVP, ODP, OCP, UCP, OTP, capacity protection, abnormal voltage trend protection, abnormal current trend protection, abnormal current fluctuation protection, abnormal voltage fluctuation protection, abnormal charging voltage increase rate protection, abnormal discharge current decrease rate protection. | ||
| Hardware protection | Power off, open circuit and short circuit protection. Reverse or wrong connection protection, OCP, OVP, OTP, fixture contact abnormal protection. | ||
| Warning function | Switch off automatically under emergency, shutdown when power off, load connect and disconnect automatically. | ||
| Barcode scan | Support barcode start and binding test data, classify batteries rapidly and accurately. Support detailed battery database management functions, connect battery information with testing data base, which is easy for management of data base system. | ||
| Sampling terminals | Four-polar sampling. Copper nose or other fixture. | ||
| Energy consumption | Discharge power feedback to grid | ||
| Cooling method | Forced Fan-cooled | ||
| Noise | Less than 70dB | ||
| IP grade | IP20 | ||
| Repair | Modularized structure. Can be replaced or repair with spare parts. | ||
