Samsung INR21700-40T 3900mAh - 35A


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  • Flat Top
  • U-Soldering
  • Z-soldering


Data sheet

Type Rechargeable
Style 21700
Target platform Lithium batteries
Compositions Lithium
Amperage 35A
Voltage 3.6V
Capacity 3900mAh
Characteristics Unprotected
Warranty 3 months
Made in China
Manufacturing number INR21700-40T

More info

Battery Brand: Samsung
Rated typical capacity: 4000mAh
Battery nominal minimum capacity: 3900mAh
Voltage: 3.6V
Standard charge: CCCV, 2A, 4.20V, 200mA cut-off
Rated charge: CCCV, 6A, 4.20V, 100mA cut-off
Max. continuous discharge: 35A with temperature cut.
Max. continuous discharge: 45A with 80°C temperature cut.
Discharge cut-off voltage: 2.5V
Cycle life: 250 cycles to 60% at 6A charge and 35A discharge.
Battery chemistry composition: Li-Ion
Protection circuit: NO
Battery type: Rechargeable
Battery Style: 21700
Battery diameter: 21mm
Battery height: 70mm


  • Do not charge above 4.2V!
  • Do not discharge below 3V.
  • Do not burn;
  • Do not disassemble;
  • Do not make short positive and negative contacts;
  • Do not expose to heat;
  • Do not completely discharge the battery;
  • Do not use force to install a Li-ion battery;
  • Use only high-quality battery chargers;
  • Fully charge before the first use;
  • Make sure they do not come into contact with water!
  • Store at approximately the nominal voltage in a cold and dry place
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  • Image Reference Type Minimal quantity Quantity Price Volume discounts Add to cart
    NK479-UT U-Soldering 1 120 € 6,57 Tax incl.
    NK479-ZT Z-soldering 1 125 € 6,57 Tax incl.
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