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Rechargeable 21700 High Drain Lithium Battery 3.6V 5000mAh Max 45A Discharge

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Rechargeable 21700 High Drain Lithium Battery 3.6V 5000mAh Max 45A Discharge

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Brand Name : SDI

Model Number : INR21700 50s

Certification : UN38.3 MSDS CB CE BIS Model Number: inr21700 50s

Place of Origin : China

MOQ : 1000pcs

Payment Terms : L/C,T/T

Battery Type : High Drain Lithium Battery

Voltage : 3.7V

Dimension : Diameter :21mm Height :70mm

Capacity : 5000mah

Discharge Rate : 45A

Quality Guarantee : 2 Years

Weight : 72g

Charging Time : 150 min

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21700 High Drain Lithium Battery 3.6V 5000mAh Max 45A Discharge

Features

  1. High-Rate Discharge Capability: Designed to deliver high continuous discharge currents up to 45A .
  2. High Energy Density: Offers a balance of good capacity (5000mAh) and high power output in the standard 21700 form factor, providing long runtime.
  3. Long Cycle Life: Can withstand over 500 charge-discharge cycles while maintaining more than 80% of its initial capacity, ensuring value and longevity.

  4. Stable Performance: Features a stable nominal voltage of 3.6V, providing consistent power delivery throughout the discharge cycle.

  5. Low Self-Discharge: Maintains its charge for extended periods when not in use, making it reliable for occasional use.

  6. No Memory Effect: Can be recharged at any state of charge without suffering from capacity reduction, offering flexible charging schedules.

specification :

Nominal Capacity
5000mAh (0.2C discharge)
Minimum Capacity
4800mAh (2C discharge)
Nominal Voltage
3.6V
Internal Impedance
≤ 15mΩ
Weight
72g
End of Charge Voltage
4.20± 0.05V
End of Discharge Voltage
2.5V
Charging Time
150 min
Maximum Charging Current
6A
Maximum Discharging Current
25A
Without Temperature Cut
45A
With 80℃ Temperature Cut
Operating Temperature
Charge: 0~45°C
Discharge: -20~60°C
Cycle Life
≥500 cycles
Storage Temperature For
Shipping Cell
< 35°C

Rechargeable 21700 High Drain Lithium Battery 3.6V 5000mAh Max 45A Discharge

application

  • High-Performance Power Tools: Drills, saws, and other cordless tools that demand high current and power.
  • Electric Transportation: E-bikes, e-scooters, electric motorcycles, and golf carts.

  • Portable Power Stations: DIY power banks and portable energy storage capable of high output.

  • High-Luminosity Flashlights: Tactical and search lights requiring robust current flow.

  • Professional Video & Photography Equipment: High-wattage LED lights and camera accessories.

  • Solar Energy Storage Systems,UPS,Industrial Equipment

Warnings & Precautions

Charging
  • Use a Dedicated Li-ion Charger: Always use a charger specifically designed for lithium-ion batteries
  • Charge Within Specifications: Do not charge above the maximum voltage of 4.2V or exceed the maximum charge current
  • Temperature Monitoring: Charge only between 0°C to 45°C. Never charge a battery that is below freezing (0°C) or feels hot to the touch.
Discharging
  • Avoid Over-Discharge: Stop using the battery before reaching the cut-off voltage of 2.5V. Over-discharging can cause irreversible internal damage.
  • Respect Current Limits: While rated for 45A continuous, sustained operation at maximum load can generate heat and reduce lifespan.
  • Temperature Management: Avoid discharging outside the recommended temperature range (-20°C to 60°C).
Storage
  • Partial Charge Storage: For long-term storage (longer than one month), store the battery at a 30%-50% State of Charge (SOC).
  • Cool and Dry Environment: Store in a cool, dry place away from direct sunlight and moisture. Ideal storage temperature is between -20°C to 25°C.


Product Tags:

21700 High Drain Lithium Battery

      

21700 Rechargeable Battery 5000mAh

      

21700 Lithium Battery 3.6V

      
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