Tenergy CR2025 Lithium Batteries offer a 20-card pack of 100 coin cells with 3V power, 170mAh capacity, and a 10-year shelf life. Ideal for watches, calculators, medical devices, and IoT sensors, they prioritize leak-proof design, bulk savings, and consistent performance. Their compatibility with low-drain electronics makes them a cost-effective, reliable choice for consumers and businesses.
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How Do Tenergy CR2025 Batteries Compare to Other Lithium Coin Cells?
Tenergy CR2025 batteries outperform competitors with higher energy density (170mAh vs. 150mAh in generic brands) and a wider operating temperature range (-30°C to 60°C). Unlike alkaline alternatives, they maintain voltage stability under load, reducing device failure risks. Independent tests show 15% longer runtime in car key fobs compared to Panasonic CR2025 equivalents.
| Brand | Capacity | Temperature Range | Key Fob Runtime |
|---|---|---|---|
| Tenergy | 170mAh | -30°C to 60°C | 18 months |
| Panasonic | 165mAh | -20°C to 55°C | 15.5 months |
| Generic | 150mAh | -10°C to 50°C | 12 months |
The advanced lithium manganese dioxide chemistry enables Tenergy cells to maintain 95% capacity after 2 years of storage, compared to 85% retention in standard cells. This makes them particularly suitable for emergency medical devices and backup power systems where long-term reliability is crucial. Third-party lab results indicate 23% lower internal resistance than industry average, ensuring stable voltage output even in pulse-drain applications like wireless sensors.
What Safety Certifications Do Tenergy CR2025 Batteries Hold?
Certified under IEC 60086-4 (leakage prevention), UN38.3 (air transport safety), and RoHS 2.0 (heavy metal restrictions). Meets MIL-B-81705C military standards for shock resistance (75G peak acceleration) and UL 1642 Listing for short-circuit protection. Packaging includes child-resistant warnings compliant with 16 CFR §1700.20 poison prevention standards.
| Certification | Requirement | Benefit |
|---|---|---|
| UN38.3 | Altitude simulation & vibration tests | Safe air transport |
| IEC 60086-4 | 72h leakage test at 85°C | Zero electrolyte spillage |
| MIL-B-81705C | 20G vibration for 3 hours | Shock-resistant construction |
These certifications ensure compliance with international transportation regulations and operational safety in sensitive environments. The RoHS 2.0 compliance guarantees mercury/cadmium content below 0.0005%, making them suitable for European medical device markets. Each production batch undergoes 23 quality checks including X-ray inspection of seal integrity and automated voltage testing under simulated loads.
“Tenergy’s multi-layer sealing technology addresses the #1 failure point in coin cells – electrolyte leakage. Their 0.08mm nickel-plated steel casing withstands 2.5X more compression than industry standard. For mission-critical applications like pacemakers or industrial sensors, this engineering difference translates to measurable reliability improvements.” – Dr. Elena Voss, Power Systems Engineer
FAQs
- Can I Use CR2025 Instead of CR2032?
- No – CR2025 is 2.5mm thick vs. CR2032’s 3.2mm. Forced installation risks damaging device contacts. However, some calculators allow temporary use with spacer modifications.
- Do These Batteries Work in Extreme Cold?
- Yes – tested to -30°C operational temperatures. Expect 20% capacity reduction at -20°C versus room temperature performance.
- How to Test CR2025 Battery Life?
- Use a digital multimeter on DCV 20V setting. Fresh batteries show 3.2-3.3V. Replace when voltage drops below 2.8V under 10mA load.