Technical insight
Product and application details
military communication equipment
The 3.0V nominal voltage ensures stable operation for critical comms gear in extreme cold environments down to minus forty degrees Celsius.
Industrial Data Loggers
Its 2500mAh capacity supports long-term logging duties, while the compact diameter fits tightly into confined industrial sensor housings.
Medical monitoring equipment
The 23.0g lightweight profile minimizes burden on portable patient monitors, ensuring comfort during extended continuous wear periods.
GPS tracking device
High pulse discharge capability up to 3000A handles sudden power spikes when the GPS module acquires satellite signals.
Security alarm systems
The 2.0V termination voltage guarantees precise power management for security panels, preventing unexpected shutdowns before complete depletion.
IoT devices battery
Standard 1A discharge current meets the steady power demands of IoT nodes, supporting reliable data transmission cycles.
Electricity meters battery
Operating reliability up to seventy degrees Celsius allows accurate metering performance in hot outdoor utility enclosures without failure.
wireless sensors
The 45.0mm height provides sufficient volume for the 2500mAh capacity, enabling extended transmission intervals for remote wireless sensor networks.
CR17450 Comparative Report VTC Vs. Panasonic (2022.10.14) VTC Powr Co., Ltd. I. CR17450 Discharge Performance Comparison 1. VTC Internal Test Results (Ambient Temperature Environment) ■ VTC│2021 ■ Panasonic │ 2020 VTC products exhibit superior room-temperature discharge performance compared to Panasonic products. Test Condition VTC Result VTC Percentage Panasonic Result Panasonic Percentage 1000mA cont. to 1.5V 1942 mAh 100% 1311 mAh 67.51% 10mA cont. to 2.0V 2286 mAh 100% 2225 mAh 97.33% 20mA cont. to 2.0V 2251 mAh 100% 2145 mAh 95.29% 900mA 3s on/27s off pulse to 1.55V 2771 mAh 100% 2601 mAh 93.87% 100Ω cont. to 2.0V 80.7 hours
I. CR17450 Discharge Performance Comparison
1. VTC Internal Test Results (Ambient Temperature Environment)
■ VTC│2021 ■ Panasonic │ 2020
VTC products exhibit superior room-temperature discharge performance compared to Panasonic products.
| Test Condition | VTC Result | VTC Percentage | Panasonic Result | Panasonic Percentage |
|---|---|---|---|---|
| 1000mA cont. to 1.5V | 1942 mAh | 100% | 1311 mAh | 67.51% |
| 10mA cont. to 2.0V | 2286 mAh | 100% | 2225 mAh | 97.33% |
| 20mA cont. to 2.0V | 2251 mAh | 100% | 2145 mAh | 95.29% |
| 900mA 3s on/27s off pulse to 1.55V | 2771 mAh | 100% | 2601 mAh | 93.87% |
| 100Ω cont. to 2.0V | 80.7 hours | 100% | 78.89 hours | 97.78% |
| 750mA 4min/11min to 1.8V | 2.60 hours | 100% | 2.40 hours | 92.31% |
| 1.8A 3s on/7s off pulse to 1.8V | 1249 cycles | 100% | 1022 cycles | 81.83% |
2. VTC Internal Test Results (Low-Temperature Environment at -20°C)
■ VTC│2021 ■ Panasonic │ 2020
VTC products exhibit superior low-temperature discharge performance compared to Panasonic products.
| Test Condition | VTC Result | VTC Percentage | Panasonic Result | Panasonic Percentage |
|---|---|---|---|---|
| -20°C 20mA cont. to 2.0V | 1888 mAh | 100% | 1504 mAh | 79.66% |
| -20°C 200mA cont. to 2.0V | 1162 mAh | 100% | 327 mAh | 28.14% |
| -20°C 900mA 3s on/27s off pulse to 1.55V | 1900 mAh | 100% | 735 mAh | 38.68% |
3. Summary of Test Results
The discharge performance of the VTC CR17450 product surpasses that of the Panasonic product.
Particularly in low-temperature environments, VTC products demonstrate significantly better performance compared to Panasonic products.
II. Storage Performance Evaluation | CR17450
1. Internal Resistance Comparison
The internal resistance of VTC products is slightly higher than that of Panasonic products, though not significantly so. Throughout the entire testing process, the internal resistance values of both manufacturers’ products remained at a low order of magnitude.
2. Load Voltage Comparison (3.9Ω Load)
Neither manufacturer’s product exhibited abnormally low load voltage throughout the entire testing process.
3. Constant-Current Discharge Performance Comparison | 20mA cont. to 2.0V
VTC products exhibit slightly superior constant-current discharge performance compared to Panasonic products.
4. Pulse Discharge Performance Comparison | 900mA 3s on/27s off pulse to 1.55V
The pulse discharge performance of VTC products is marginally superior to that of Panasonic products.
Note: All tests above were conducted after 100 days of storage at 70°C high temperature.
III. Conclusion
- VTC products exhibit superior discharge performance compared to Panasonic products
- Both manufacturers’ products demonstrate excellent reliability
