Automatic voltage internal resistance tester
Get a quote：
Whats/App: +86 185 0176 3615
Web: qinsun-lab.com
The Automatic Voltage & Internal Resistance Tester is a precision electrical testing instrument designed for rapid and accurate measurement of open-circuit voltage (OCV) and DC internal resistance of lithium-ion battery cells. The system is widely used in battery research laboratories, production lines, and quality control departments to evaluate electrical consistency, detect defective cells, and support battery performance classification and safety assessment.
Application
(1) Open-circuit voltage (OCV) measurement of lithium-ion pouch cells, cylindrical cells, and coin cells.
(2) DC internal resistance measurement for cell grading and sorting.
(3) Incoming inspection of battery cells and semi-finished products.
(4) Quality control during cell production, formation, and aging processes.
(5) Electrical consistency evaluation for batch comparison and statistical analysis.
(6) Screening of abnormal cells with high internal resistance or voltage deviation.
(7) Laboratory research and process validation for battery development.
Standards
(1) IEC 62660-2 – Secondary Lithium-Ion Cells – Reliability and Abuse Testing (reference application).
(2) ASTM E83 – Verification of Linear Displacement Measuring Systems (instrument calibration reference).
(3) ISO 3611 – Verification of Linear Measuring Instruments (instrument calibration reference).
(4) RoHS – Restriction of Hazardous Substances Directive.
(5) CE Certification – Conformité Européenne.
Features
(1) Simultaneous measurement of voltage and internal resistance with high accuracy.
(2) Automated test sequence reduces operator influence and improves repeatability.
(3) Fast measurement suitable for production-line and batch testing.
(4) Wide compatibility with pouch, cylindrical, and coin-type battery cells.
(5) Stable contact design ensures reliable electrical connection.
(6) Built-in data storage and result classification functions.
(7) Digital communication interface for data export and system integration.
(8) Electrical safety protection with overload and short-circuit prevention.
Technical Parameters
| Parameter | Specification |
|---|---|
| Voltage Measurement Range | 0 – 10 V |
| Voltage Measurement Accuracy | ±0.05% F.S |
| Internal Resistance Range | 0.01 mΩ – 1,000 mΩ |
| Internal Resistance Accuracy | ±0.5% F.S |
| Measurement Method | DC pulse method |
| Measurement Time | ≤ 1 s per cell |
| Data Storage | ≥ 100,000 records |
| Communication Interface | USB / RS232 / Ethernet (optional) |
| Power Supply | AC 100–240 V, 50/60 Hz |
| Dimensions (W×D×H) | 300 × 250 × 400 mm |
| Weight | 15 kg (net) / 18 kg (gross) |
在线联系供应商
Other supplier products
 |
Low-Temperature Bending Resistance Tester | Get a quote： Whats/App: +86 185 0176 3615 Web: qinsun-lab.com Email: serving@qinsun-lab。com Applicable Standards The tester adheres to interna... |
 |
100-V2 steam generator tester | Get a quote： Whats/App: +86 185 0176 3615 Web: qinsun-lab.com Application (1) Automotive Thermal Shock Testing: Simulates rapid temperature cha... |
 |
rca tape scroll abrasion testing machine | Get a quote： Whats/App: +86 185 0176 3615 Web: qinsun-lab.com TheRCA Abrasion Wear Testeris used to test surfaces for resistance to abrasion and... |
 |
Durability Tester for Left/Right Opening Refrigerated Display Cabinet Doors | Get a quote： Whats/App: +86 185 0176 3615 Web: qinsun-lab.com TheDurability Tester for Left/Right Opening Refrigerated Display Cabinet Doorsis d... |
 |
Retro-Reflective Coefficient Tester GB/T 28468-2012 | Get a quote： Whats/App: +86 185 0176 3615 Web: qinsun-lab.com The Retro-Reflective Coefficient Tester is a precision instrument designed to eval... |
Same products
 |
ER4043 Silicon Aluminum Welding Wire | 卖方: 868776 | Hangzhou Kunli Welding Materials Co., Ltd. specializes in manufacturing high-quality welding mate... |
 |
Choosing the Right Equipment for Heavy-Duty Cleaning | 卖方: Taizhou Feike Mechanical Technology Co., Ltd. | FEIKE’s High Pressure Washer is designed for industrial cleaning, equipment maintenance, ve... |
 |
ER4043 Silicon Aluminum Welding Wire | 卖方: 868776 | Hangzhou Kunli Welding Materials Co., Ltd. offers ER4043 Silicon Aluminum Welding Wire for alumin... |
 |
HDPE高速水冷双壁波纹管生产线 | 卖方: Shandong HUASU Plastic Technology Co.,Ltd. | 机头模具采用双流道结构、氮化磨光处理机头，偏壁调整方便快捷，保证内外层壁厚均匀和稳定成型。 最新设计密闭压力水冷冷却结构，冷却充分，多点分布真空系统，效率更高，生产速度更快。 双层在线扩口功... |
 |
PanEVAP & MVR system | 卖方: Yangzhou Panstar Heat Exchanger Equipment Co., Ltd | A multiple-effect evaporator is a device that efficiently uses steam heat to evaporate water. Wat... |
