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3.7V 640mAh Rechargeable Lithium Ion Battery with 500 Cycles

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3.7V 640mAh Rechargeable Lithium Ion Battery with 500 Cycles

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Brand Name : OiD

Model Number : OiD553436N640

Certification : Compliant with solid-state Li-ion battery standards: GB/T 18287-2013, IEC 61960, UL 1642 RoHS compliant

Place of Origin : China

MOQ : 100pcs

Price : $0.5 ~ $100.0 / pcs

Delivery Time : 3 ~ 7 days for storage

Payment Terms : TT,L/C,Western Union

Name : Lithium Ion Battery

Battery Type : 3.7V, 640mAh Rechargeable

ODM : Free custom design for packs

High Energy Density : 250-300Wh/kg

Superior Cold Weather Performance : Reliable in Extreme Cold (-20°C to 60°C)

Cycle Life : 500+ cycles

Charging/ Discharging : 1C/ 1C

Flexible Form Factor : Thin, Customizable Pouch Design Lithium Ion Battery

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Product Name

OiD553436N640 Rechargeable Lithium-ion Polymer Battery


Advantages

  • High energy density (640mAh typical capacity) with stable performance
  • Built-in protection circuit (overcharge/discharge/short-circuit prevention)
  • Lightweight (13.0g) and compact design
  • Compliant with solid-state lithium battery standards

Specifications

Parameter

Value

Nominal Voltage

3.7V

Typical Capacity

640mAh (0.2C discharge)

Minimal Capacity

≥620mAh

Charging Voltage

4.2V

Discharge Cut-off Voltage

3.0V

Standard Charging Current

0.2C (128mA)

Max Charging Current

1.0C (640mA) at 20°C–45°C

Max Discharge Current

1.0C (640mA) at 25°C–60°C

Battery Impedance

≤160mΩ

Weight

Approx. 13.0g

Shipment Voltage

3.90±0.05V


Cycle Life

Condition

Performance

500 cycles (0.2C, 23±2°C)

Capacity retention ≥80%

28-day storage (20±5°C, 50% SOC)

Capacity recovery ≥85%


Discharge Curve

3.7V 640mAh Rechargeable Lithium Ion Battery with 500 Cycles


Operating Temperature Range

Mode

Temperature Range

Current Limit

Charging

0°C to 45°C

0.2C (0°C–10°C)


0.5C (10°C–20°C)


1.0C (20°C–45°C)

Discharging

-20°C to 60°C

0.2C (-20°C–0°C)


0.5C (0°C–25°C)


1.0C (25°C–60°C)

Certifications

  • Compliant with Li-ion battery standards: GB/T 18287-2013, IEC 61960, UL 1642
  • RoHS compliant

Key Features

  • Pet Li-ion Battery compatible (ideal for low-power pet devices like trackers)
  • Integrated NTC for temperature monitoring
  • Customizable connector (e.g., Molex 5013300300)

Applications

  • Wearable devices
  • Medical equipment
  • IoT sensors
  • Pet Li-ion Battery applications (e.g., smart pet collars, GPS trackers)

3.7V 640mAh Rechargeable Lithium Ion Battery with 500 Cycles

Usage Warnings & Precautions

  • Avoid short-circuiting terminals.
  • Do not expose to temperatures beyond -20°C–60°C.
  • Discontinue use if swelling, leakage, or odor occurs.

Storage Guidelines

Temperature

Duration

Capacity Retention

-10°C to 25°C

12 months (50% SOC)

≥85%

-10°C to 45°C

6 months (50% SOC)

≥85%


Warranty & Disclaimer

  • 12-month warranty from shipment date.
  • Misuse voids warranty.

Product Tags:

3.7v 2a lithium battery

      

3.7v lithium ion battery

      

1c 2a lithium battery

      
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