CR1/3N lithium batteries are 3V non-rechargeable cells used in small electronics like cameras, medical devices, and security systems. They offer high energy density, long shelf life (up to 10 years), and stable voltage output. Their compact cylindrical design (11.6mm diameter x 10.8mm height) makes them ideal for space-constrained applications requiring reliable power.
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How Do CR1/3N Batteries Differ From Other Lithium Cells?
CR1/3N batteries use lithium manganese dioxide (Li-MnO₂) chemistry, unlike CR2032’s similar composition but larger form factor. They deliver 170mAh capacity at 3V, outperforming alkaline equivalents in cold temperatures. Key distinctions include 30% lighter weight than CR2 batteries and 20% higher voltage stability versus zinc-air alternatives.
| Battery Type | Voltage | Capacity | Operating Temp |
|---|---|---|---|
| CR1/3N | 3V | 170mAh | -40°C to 85°C |
| CR2032 | 3V | 225mAh | -20°C to 70°C |
What Devices Commonly Use CR1/3N Lithium Batteries?
Primary applications include:
1. Digital camera light meters
2. Glucose monitoring systems
3. Keyless entry fobs
4. Laser pointers
5. Backup memory for IoT devices
Their stable discharge curve prevents voltage drops critical for medical calibration instruments. Nikon F-series cameras have used these cells since 1998 for exposure control systems.
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Recent medical applications have expanded significantly, with continuous glucose monitors requiring precise voltage regulation. Modern security systems utilize CR1/3N batteries in wireless sensors due to their ability to maintain consistent power output through temperature fluctuations. The photography industry continues to rely on these cells for light metering systems where even minor voltage variances could compromise exposure accuracy.
Why Choose CR1/3N Over Rechargeable Alternatives?
Non-rechargeable CR1/3N cells maintain 95% capacity after 5 years storage versus 60% loss in Li-ion counterparts. They operate in -40°C to 85°C ranges – critical for automotive key fobs in extreme climates. For low-drain devices requiring <100mA current, they provide 3x longer service life than NiMH batteries at similar sizes.
In industrial settings where battery replacement is costly or dangerous, CR1/3N’s extended lifespan proves advantageous. Fire alarm systems often specify these batteries due to their decade-long shelf stability. Recent studies show CR1/3N cells outperform rechargeables in humidity-controlled environments, maintaining 98.7% capacity after 3 years versus 82.4% for lithium-polymer alternatives.
“The CR1/3N market will grow 7.2% CAGR through 2030, driven by medical IoT expansion. New hybrid designs combining lithium and supercapacitor technologies could extend service life beyond current 10-year limits.” – Dr. Elena Voss, Power Systems Analyst at Frost & Sullivan
FAQs
- Can CR1/3N batteries be used interchangeably with CR1/3A?
- No – CR1/3A cells have different terminal configurations. Using incorrect variants risks device damage. Always consult manufacturer specifications.
- How long do CR1/3N batteries last in continuous use?
- Typical runtime ranges 18-24 months in glucose monitors drawing 15μA current. High-drain applications like laser sights may deplete cells in 6-8 months.
- Are there mercury-free CR1/3N options?
- All modern CR1/3N batteries comply with RoHS directives, containing 0% added mercury. Sony’s GreenICell line uses 100% recycled steel casing.