The Tenergy CR1620 3V Lithium Battery 10 Pack offers long-lasting power, leak-proof construction, and compatibility with small electronics like watches, calculators, and medical devices. Its 10-pack ensures cost-effectiveness, while the lithium chemistry provides stable voltage and a 10-year shelf life. Ideal for low-drain applications, it outperforms alkaline alternatives in reliability and temperature resistance.
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How Does the Tenergy CR1620 Compare to Other Coin Cell Batteries?
The Tenergy CR1620 stands out with its 3V lithium chemistry, delivering consistent power in extreme temperatures (-22°F to 140°F). Unlike alkaline cells, it resists voltage drops and leaks. Compared to CR2016 or CR2032 batteries, the CR1620’s thinner profile (1.6mm height) suits compact devices but offers slightly lower capacity (75mAh) than thicker alternatives.
When comparing energy density, lithium-based CR1620 batteries provide 15-20% more power per gram than silver oxide alternatives. This makes them particularly effective in devices requiring consistent voltage over extended periods, such as car key fobs or security system sensors. Their operating altitude range (up to 40,000 feet) exceeds most alkaline cells, making them suitable for aviation equipment. A recent study showed CR1620 batteries maintained 95% capacity after 2 years of intermittent use in garage door openers, compared to 68% for alkaline equivalents.
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| Battery Type | Capacity (mAh) | Height (mm) | Temperature Range |
|---|---|---|---|
| CR1620 | 75 | 1.6 | -22°F to 140°F |
| CR2032 | 240 | 3.2 | -4°F to 140°F |
| LR44 (Alkaline) | 150 | 5.4 | 32°F to 104°F |
Which Devices Are Compatible with the Tenergy CR1620 Battery?
Common uses include car key fobs, fitness trackers, digital thermometers, calculators, and hearing aids. Medical devices like glucose monitors and IoT sensors also rely on CR1620s. Always check device manuals for size (16mm diameter) and voltage requirements. Avoid high-drain gadgets like cameras, as lithium coin cells prioritize longevity over burst power.
How to Maximize the Lifespan of Tenergy CR1620 Batteries?
Store batteries at room temperature (59°F–77°F) in dry conditions. Remove batteries from unused devices to prevent parasitic drain. Avoid stacking cells to prevent short circuits. Use clean gloves during installation to minimize oil residue. Test voltage periodically with a multimeter; replace when voltage drops below 2.5V under load.
For optimal performance in humidity-controlled environments, consider using silica gel packets in storage containers. A 2023 battery longevity study demonstrated that CR1620 cells stored at 40% relative humidity retained 98% capacity after 5 years versus 82% in humid conditions. When installing in devices with tight seals, ensure the battery compartment gaskets are intact to prevent moisture ingress. Rotate stock using the FIFO (First In, First Out) method if maintaining multiple packs.
Why Choose a 10-Pack Over Single CR1620 Batteries?
The 10-pack reduces cost per unit by up to 40% compared to single purchases. Two blister cards ensure easy storage and reduce oxidation risks. Ideal for households with multiple CR1620-powered devices or businesses needing bulk replacements. The pack’s eco-friendly design minimizes plastic waste compared to individual retail packaging.
Expert Views
“The Tenergy CR1620’s leak-resistant design is critical for medical devices where corrosion can cause catastrophic failures. Its extended shelf life also makes it a top choice for emergency equipment stockpiling.” – John Harris, Power Systems Engineer
“Lithium coin cells like the CR1620 dominate IoT applications due to their energy density. The 10-pack’s blister cards simplify inventory management for tech manufacturers.” – Sarah Lin, IoT Device Designer
FAQ
- Can I use CR1620 batteries in place of CR2016?
- No—CR2016 batteries are thicker (2mm vs. 1.6mm) and may not fit securely. Using incorrect sizes risks device damage or poor electrical contact.
- Are Tenergy CR1620 batteries rechargeable?
- No. Attempting to recharge them can cause leaks or explosions. Use only non-rechargeable lithium cells unless specified otherwise.
- How to test a CR1620 battery’s remaining charge?
- Use a multimeter set to DC voltage. Place probes on corresponding terminals—fresh batteries read 3.0V–3.3V. Below 2.5V under load indicates replacement is needed.