🔋 CR2016 Battery
The CR2016 is a compact, thin lithium coin cell battery designed for devices that require a steady, low-power energy source over long periods. It is widely used in slim electronic devices because of its lightweight design, stable 3V output, and long shelf life.
Common applications include:
Car key fobs and remote controls
Watches and calculators
Fitness trackers
Computer motherboards (CMOS backup)
Small medical devices and electronic toys
⚙️ CR2016 Battery
Battery Type: Lithium coin cell
IEC Name: CR2016
Nominal Voltage: 3 volts
Typical Capacity: ~80–90 mAh
Diameter: 20 mm
Thickness: 1.6 mm
Chemistry: Lithium manganese dioxide (Li-MnO₂)
Weight: ~1.6–1.8 grams
Operating Temperature: -20°C to +60°C
Shelf Life: Up to 5–10 years
Rechargeable: No (primary battery)
🧠 Naming Breakdown
CR = Lithium manganese dioxide chemistry
20 = 20 mm diameter
16 = 1.6 mm thickness
✅ Key Features
Stable 3V output over most of its lifespan
Low self-discharge rate
Thin and lightweight design
Reliable for long-term, low-drain applications
⚠️ Important Notes
Not rechargeable—attempting to recharge may cause leakage or explosion
Keep away from children (coin batteries are a swallowing hazard)
Dispose of properly according to local regulations