3.7V 4000 mAh Lithium Batteries 18650-1S2P-3C

3.7V 4000 mAh Lithium Batteries 18650-1S2P-3C

3.7V 4000 mAh Lithium Batteries 18650-1S2P-3C
  • Substantial 4000mAh Capacity: Greatly extends operational shift life for portable devices.

  • 3C Discharge Capability: Can safely deliver up to 12A of continuous current.

  • Dual-Cell Protection: Intelligent PCM monitors and safeguards the parallel configuration.

  • Rugged Construction: Built to withstand the physical demands of field and warehouse use.

  • Optimized Thermal Management: Parallel design helps distribute heat more evenly.

  • Excellent Value: Offers a highly cost-effective path to high-capacity 3.7V power.

Please note that we have a MOQ for our battery. For batteries in stock, the MOQ is 10,000 pcs. For customized batteries, the MOQ is 50,000 pcs.

Hanery assists you throughout your project: battery size, capacity, discharge multiplier, operating temperature, safety, and associated protection circuitry. Please contact us or mark your requirements on the inquiry quotation.

Order single or thousands of items at a time. Our warehouse and flexible shipping options are available for last-minute, deadline critical orders.

Free Sample

*Customization is always available, please mark down your need in form or just contact us.

Battery Specification

1. Mechanical Characteristics

Cell18560-3CPCMYes
NTCYesWeightappr. 95.0g
Configuration1S2P 

2. Electrical Specification

Capacity4000mAhNominal Voltage3.7V
Energy14.8WhInternal Resistanceless than 80 mΩ
Max. Charge Voltage4.2VDischarge Cut Off2.75V
Max. Charge Current4000mAMax. Discharge Current12000mA
Standard Charge Current800mAStandard Discharge Current800mA
Charging Temperature0℃ to 45℃Discharging Temperature-20℃ to 60℃
Storage Temp.Range

1 year at -20℃ to +30℃

3 mos. at -20℃ to +45℃

1 mo. at -20℃ to +60℃

Cycle life

100 cycles ≥92%

300 cycles ≥88%

500 cycles ≥80%

3. Cell protection

Overcharge Detection4.28V ±50mV (80 to 200msec delay, release 4.08V ±50mV)Overdischarge Detection2.9V ±100mV (40 to 120msec. delay, release 3.0V ±100mV)
Overcurrent Detection5A to 9A (9 to 15msec. delay)Short protectionYes

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