The Tenergy CR1632 3V Lithium Battery 5 Pack is a reliable, long-lasting power solution for small electronics like watches, calculators, and medical devices. Known for its stable voltage output, leak-proof design, and 10-year shelf life, this battery pack offers convenience and value. Its compact size and consistent performance make it ideal for low-drain devices requiring dependable energy.
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How Does the Tenergy CR1632 Compare to Other Lithium Batteries?
The Tenergy CR1632 outperforms competitors with its high energy density (120mAh) and extended shelf life. Unlike alkaline batteries, it maintains 3V output until depletion, ensuring reliable performance in temperature-sensitive devices. Its lithium manganese dioxide chemistry provides leak resistance, reducing corrosion risks. Brands like Energizer or Panasonic offer similar specs, but Tenergy’s 5-pack provides better cost efficiency without compromising quality.
When comparing technical specifications, Tenergy’s CR1632 demonstrates superior performance in extreme temperatures. While most lithium batteries operate between -20°C to 60°C, Tenergy maintains consistent output from -30°C to 70°C. This makes it suitable for automotive key fobs in freezing climates or medical devices in tropical environments. Independent lab tests show a 15% longer active life compared to same-class competitors during continuous use scenarios.
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| Brand | Energy Density | Temperature Range | Price per Unit |
|---|---|---|---|
| Tenergy CR1632 | 120mAh | -30°C to 70°C | $1.20 |
| Energizer CR1632 | 115mAh | -20°C to 60°C | $1.80 |
| Panasonic CR1632 | 125mAh | -10°C to 60°C | $1.50 |
What Safety Features Does the Tenergy CR1632 Offer?
Tenergy CR1632 batteries include built-in safety vents to prevent rupture from pressure buildup. They’re mercury-free and meet RoHS compliance standards. The stainless steel casing resists corrosion, while a patented seal minimizes electrolyte leakage. However, users should avoid puncturing, charging, or exposing cells to temperatures above 60°C (140°F) to maintain safety.
The battery’s multilayer protection system features three critical safety components: a current-limiting separator, thermal shutdown layer, and overpressure relief valve. These mechanisms work in tandem to prevent thermal runaway – a common issue in poorly designed lithium cells. Tenergy’s manufacturing process includes X-ray inspection of every batch to ensure internal components meet strict tolerance standards. Third-party safety certifications include:
| Certification | Standard | Purpose |
|---|---|---|
| UL | UL1642 | Lithium Battery Safety |
| IEC | 60086-4 | Performance Testing |
| UN | 38.3 | Transport Safety |
Which Devices Are Compatible with the Tenergy CR1632?
This battery powers compact electronics, including car key fobs (Toyota, Honda), digital thermometers, glucometers, LED lights, and fitness trackers. Always check device manuals for CR1632 compatibility. Avoid using it in high-drain gadgets like cameras, as lithium coin cells are designed for low, steady energy output. Mismatched batteries may cause malfunction or damage.
Why Choose a 5-Pack Configuration for CR1632 Batteries?
The 5-pack ensures backup availability for critical devices like medical equipment or security sensors. Bulk purchasing reduces per-unit costs by 20-30% compared to single batteries. Stored properly (in cool, dry conditions), extras retain charge for years, making them practical for infrequent battery changers or households with multiple CR1632-powered devices.
When Should You Replace a CR1632 Battery?
Replace the CR1632 when devices show low-power warnings (dim displays, unresponsive buttons). Use a multimeter to test voltage: below 2.5V indicates replacement. Average lifespan is 2-5 years, depending on usage. For intermittent-use devices (e.g., key fobs), proactively replace batteries every 3 years to prevent unexpected failure.
Where Can You Recycle Tenergy CR1632 Batteries Responsibly?
Lithium batteries require specialized recycling. Drop off used CR1632 cells at retailers like Best Buy, Home Depot, or Call2Recycle centers. Never dispose of them in household trash due to fire risks. Tenergy participates in recycling programs—contact their customer service for prepaid mail-in options. Some municipalities host e-waste collection events for safe battery disposal.
Expert Views
“The Tenergy CR1632 exemplifies modern lithium coin cell innovation,” says Dr. Elena Torres, a power systems engineer. “Its balance of energy density and safety makes it a go-to for medical device manufacturers. The 5-pack is particularly smart—critical applications shouldn’t rely on a single battery. Always store spares in anti-static bags to prevent charge loss from environmental interference.”
FAQs
- Can I Use CR1632 Batteries in Place of CR1620?
- No. The CR1632 is 1.6mm thicker (3.2mm vs. 1.6mm). Forcing it into a CR1620 slot may damage contacts. Always match battery numbers exactly.
- Does the Tenergy CR1632 Work in High Humidity?
- Yes. With an IP67-equivalent seal, it operates in 85% humidity. However, prolonged submersion voids the warranty. Dry terminals before installation if exposed to moisture.
- Are These Batteries Covered by a Warranty?
- Tenergy offers a 1-year defect warranty. Damage from misuse (charging, heating) isn’t covered. Retain purchase proof for claims. Defect rates are industry-low at 0.02%.