Shockli 21700 4000mAh 20A Flat Top 3.7V Rechargeable Battery

Capacity: 4000mAh

Continuous /Max Discharge Current: 20A/30A

Nominal Voltage: 3.7V

 

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Specifications

Name: 21700 Rechargeable Battery
Brand: Shockli
Capacity: 4000mAh
Continuous /Max Discharge Current: 20A/30A
Internal resistance: less than 20 mΩ
Nominal voltage: 3.7V
Head type: Flat top
Protected: No
Rechargeable battery: Yes
Rechargeable time: up to 500 times
Standard charge: 0.3A~2A (Recommend 0.5A~1.5A) / 4.2V+/-0.05V
Working voltage: 2.75 – 4.2V
Charging time: 4.5 hours(Charge current 1.0A)

Warning

  1. Do not incinerate.
  2. Do not disassemble.
  3. Do not short positive and negative contacts.
  4. Do not expose to heat.
  5. Do not completely discharge.
  6. Do not use force to install a li-ion battery.
  7. Use only high quality battery charger.
  8. Charge fully before first use.
  9. Store in cold and dry place at approximately nominal voltage.

Package Includes

  • 2 X 21700 battery
  • 1 X 21700 plastic case

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