Description
ML2032 3V Rechargeable Lithium Manganese Dioxide Coin Cell Battery – 65mAh
Reliable rechargeable backup power for precision electronics. The ML2032 Lithium Manganese Dioxide (Li-MnO₂) coin cell is engineered for stable voltage output, long cycle life, and low self-discharge, making it ideal for memory backup, RTC support, and compact electronic devices in consumer, office, medical, and industrial environments.
65mAh Capacity 3V Output Rechargeable Li-MnO₂ Coin Cell Format
Technical Specifications
ModelML2032 Battery TypeRechargeable Lithium Manganese Dioxide (Li-MnO₂) Nominal Voltage3V Nominal Capacity65mAh Nominal Discharge Current200µA Typical Operating VoltageApprox. 2.5V Recommended Charge Voltage3.0V – 3.3V Nominal Charge Current≤ 2mA Minimum Discharge Voltage2.0V Operating Temperature–20°C to +60°C Diameter20.0mm Height3.2mm Weight3.0g
Key Benefits
- Stable Voltage Output: Maintains a high discharge voltage for consistent device performance.
- Rechargeable Design: Built for repeated charging and discharging in long-term applications.
- Excellent Cycle Life: Supports up to 1,000 cycles at shallow discharge levels.
- Low Self-Discharge: Retains approximately 95% capacity during long-term storage.
- Wide Temperature Range: Operates reliably from –20°C to +60°C.
- Leakage Resistance: Organic electrolyte design enhances durability and safety.
- Floating Characteristics: Performs well under continuous charge conditions.
Typical Applications
Notebook Computers Desktop Computers Cameras Camcorders Watches Electronic Meters Medical Instruments Measuring Equipment Printers Copiers Fax Machines Industrial Sensors Onboard Microcomputers Memory Backup Systems Real-Time Clock Backup Embedded Electronics
Ideal where compact size, rechargeable backup capability, and dependable long-term performance are required.
Charge & Cycle Performance
- Recommended Charge Voltage: 3.0V – 3.3V
- Nominal Charge Current: ≤ 2mA
- Minimum Discharge Voltage: 2.0V
- Shallow Discharge Cycle Life: Up to 1,000 cycles
- Deeper Discharge Cycle Life: Around 300 cycles
- Typical High Discharge Voltage: Approx. 2.8V at low depth of discharge
- Annual Self-Discharge: ≤ 2% per year at 20°C
Performance Notes
- Designed for long-term backup and standby applications.
- Best suited for low-current, compact electronic systems.
Proper charging and discharge control helps maximise service life and recharge capability.
Why Choose the ML2032?
- Compact coin cell format for space-sensitive electronics
- Rechargeable alternative for long-term backup applications
- Stable output for precision circuits and timing functions
- Reliable chemistry for consumer and industrial environments
- Low self-discharge for improved standby readiness
- Suitable for embedded systems and control boards
- Dependable performance across a wide temperature range
Important Notes
- Rechargeable Only: This is a rechargeable coin cell and should not be replaced with a primary non-rechargeable battery.
- Maximum Charge Voltage: Do not exceed 3.3V during charging.
- Discharge Protection: Avoid over-discharging below 2.0V.
- Application Check: Confirm your device is designed for ML2032 rechargeable chemistry before installation.
Important Notice
The ML2032 is a 3V rechargeable lithium manganese dioxide coin cell. It is designed for devices that specifically support rechargeable ML-series batteries. Do not substitute with incompatible primary lithium coin cells, as incorrect battery type or charging conditions may damage the device or reduce performance.
Reliable Rechargeable Power for Precision Electronics
Choose the ML2032 3V Rechargeable Coin Cell Battery for stable voltage, dependable recharge performance, and compact power in backup memory systems, clocks, instrumentation, and embedded electronic applications.
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