How Do CR11108, CR1/3N, DL1/3N, 2L76, and 2LR44 Differ in Specifications?
The CR11108 (11.6mm x 10.8mm) and 2L76 (11.6mm x 10.8mm) share identical dimensions, but the 2LR44 comprises two stacked LR44 cells. CR1/3N and DL1/3N are thinner (10mm x 10.2mm) with lower capacity (160mAh vs. 190mAh for CR11108). Voltage remains 3V across all models, but runtime varies due to size and chemistry differences.
How to Test Continuity with a Multimeter
| Model | Diameter | Height | Capacity |
|---|---|---|---|
| CR11108 | 11.6mm | 10.8mm | 190mAh |
| CR1/3N | 10.0mm | 10.2mm | 160mAh |
| 2LR44 | 11.6mm | 10.8mm | 300mAh |
This dimensional variance directly impacts application suitability. The CR11108’s larger form factor allows for higher energy density, making it preferable for devices requiring sustained power like medical sensors. Thinner CR1/3N cells excel in space-constrained applications such as hearing aid processors where every millimeter matters. The 2LR44’s unique stacked configuration provides 6V output through series connection, though its cylindrical shape limits compatibility compared to single-cell designs.
What Is the Typical Lifespan of These Batteries?
CR11108 lasts 2-3 years in low-drain devices (e.g., watches). CR1/3N/DL1/3N endure 1-2 years in hearing aids. High-drain gadgets like LED lights deplete them in 6-12 months. Storage at 15-25°C extends shelf life to 10 years. Lithium manganese dioxide (Li-MnO2) chemistry ensures minimal self-discharge (1% annually).
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How to Prevent Lithium-Ion Battery Fires and Explosions
Actual longevity depends on discharge patterns and environmental factors. Pulse-operated devices like garage door openers may achieve longer lifespans through intermittent use, while continuous-drain instruments like glucose meters experience faster depletion. Advanced battery management circuits in modern medical devices can extend CR11108 utilization by 40% through optimized power gating. Manufacturers recommend replacing batteries proactively in life-critical applications, even if voltage tests indicate remaining capacity.
Dr. Emily Carter, a battery electrochemist, notes: “The CR11108’s bobbin-type structure minimizes internal resistance, ideal for implantable medical devices. However, the DL1/3N’s ultra-thin design sacrifices capacity for compactness. Future trends include biodegradable casings and hybrid lithium-silicon cells to boost capacity 20% without size changes.”
FAQs
- Can I Use a CR2032 Instead of a CR11108?
- No. CR2032 is 20mm wide vs. CR11108’s 11.6mm, causing fit issues. Voltage matches (3V), but capacity (225mAh vs. 190mAh) and height differ.
- Why Do Medical Devices Prefer Lithium Batteries?
- Lithium cells offer stable voltage, long shelf life, and leak resistance—critical for implantable gadgets. Their 3V output remains consistent until depletion, unlike alkalines.
- Are Rechargeable Versions Available?
- Rarely. Most 3V lithium cells are single-use. Rechargeable LiFePO2 variants exist (e.g., VL1/3N) but have lower voltage (2.8V) and shorter cycles (50 charges).