3.7V 650mAh 852540 Lithium Rechargeable Battery

Specifications

• Battery Type: Lithium Polymer (LiPo) rechargeable battery
• Nominal Voltage: 3.7V
• Nominal Capacity: 650mAh
• Model Number: 852540

2. Physical Specifications

• Dimensions:
  • Thickness: 8.5 mm
  • Width: 25 mm
  • Length: 40 mm
• Weight: Approx. 13g (varies slightly depending on the manufacturer)

3. Electrical Characteristics

• Standard Charging Voltage: 4.2V (maximum voltage)
• Discharge Cut-off Voltage: 3.0V (minimum voltage)
• Standard Charge Current: 0.2C (130mA), approximately 6 hours to charge fully
• Fast Charge Current: 0.5C (325mA), approximately 2.5 hours to charge fully
• Standard Discharge Current: 0.5C (325mA)
• Maximum Discharge Current: 1C (650mA)
• Internal Resistance: ≤ 60mΩ (fresh cell)

4. Performance Characteristics

• Cycle Life: ≥ 500 cycles (retaining 80% of original capacity)
• Operating Temperature Range:
  • Charge: 0°C to 45°C (32°F to 113°F)
  • Discharge: -20°C to 60°C (-4°F to 140°F)
• Storage Temperature Range:
  • Short-term (1 month): -20°C to 45°C
  • Long-term (6 months): -20°C to 25°C

5. Safety Features

• Protection Circuit Module (PCM): Includes overcharge, over-discharge, and short-circuit protection
• Safety Compliance: Designed to comply with IEC 62133 and UN 38.3 standards for lithium battery safety

6. Applications

• Devices: Suitable for small electronics, wearable devices, IoT gadgets, Bluetooth devices, GPS trackers, and other low-power applications.