Basic Information
Battery Type
LiMnO2 Battery
Certification
CE, RoHS, UN38.3, MSDS
Product Description
Smart meter device power non-rechargeable lithium 3V battery 850mAh CR2
Lithium-manganese dioxide cells have a metallic lithium anode and a solid manganese dioxide cathode, immersed in a non-corrosive, non-toxic organic electrolyte. They deliver a voltage of 3.0 V and are cylindrical in shape.
- High cell voltage (3V)
- Wide working temperature range: -40 to 70°C
- Superior drain capability & High energy density
- Low self-discharge (less than 2% after 1 year of storage)
- Stable discharge characteristics
- Supports various battery pack design configurations
Detailed Photos
Product Parameters
| Subject |
Features (CR2) |
Remark |
| Nominal Voltage | 3.0V | |
| Nominal Capacity | 850mAh | 1mA, 25±3ºC, cut-off at 2.0V |
| Max. Continuous Discharge Current | 850mA | |
| Max. Pulse Discharge Current | 1500mA | |
| Operating Temperature | -55ºC~+80ºC | |
| Dimension | φ15.5x27.5mm | |
| Standard Weight | About 13g | |
| Annual Self-discharge Rate | ≤1% | 25±3ºC, RH 65±10% |
Electrical Performance
Application Areas
- AMR Utility Metering (Electricity, Gas, Water, Heat meters)
- Alarms and security wireless devices, smoke/gas alarms
- Smart city, intelligent city, and smart home systems
- Mobile asset tracking, GPS positioning, and RFID systems
- Medical Equipment, patient monitoring, and workstations
- Communication Devices (3G, 5G LTE, LPWA, LoRaWAN)
- Automotive telemetry (TPMS) and CMOS memory backup
Production & Technology
Certifications
Packaging & Shipping
Professional Laboratory & Testing
FAQ
Q1: Is the CR2 battery rechargeable?
No, the CR2 is a primary lithium-manganese dioxide (LiMnO2) battery and is non-rechargeable.
Q2: What is the nominal capacity of this battery?
The nominal capacity is 850mAh, tested at 1mA discharge current until it reaches a 2.0V cut-off.
Q3: What are the main applications for the CR2 battery?
It is widely used in smart meters (water/gas/electricity), smoke alarms, GPS tracking, and IoT devices like LoRaWAN sensors.
Q4: What is the self-discharge rate?
The annual self-discharge rate is very low, typically less than 1% or 2% when stored at room temperature.
Q5: Can it operate in extreme temperatures?
Yes, it has a wide operating temperature range from -55ºC up to +80ºC.
Q6: What certifications does the battery hold?
The battery complies with CE, RoHS, UN38.3, and MSDS safety and environmental standards.
SK Battery
