Specifications
Brand Name :
Tuorde
Model Number :
21700 Cell
Place of Origin :
China
Certification :
CE/UN38.3
Product Name :
21700 Lithium Battery
Storage Temperature :
-20℃~45℃
Warranty :
1 Year
Protection Function :
Overcharge, Overdischarge, Short Circuit, Overcurrent
Size :
21mm X 70mm
Voltage :
3.6V
Description

Features:Lithium-ion 21700 Lithium Battery for Flashlights with Overcurrent Protection Function

  • Product Name: 21700 Lithium Battery
  • Capacity: 4000mAh
  • Size: 21mm X 70mm
  • Weight: 68g
  • Max Charge/Discharge Current: 8A/50A

Technical Parameters:

Item Specifications
Model No. TRD21700-40T
Typical Capacity 4000mAh @0.2C Discharge
Minimum Capacity 3900mAh @0.2C Discharge
Nominal voltage 3.6V
Standard Charge CC/CV,0.5C,4.20V
Standard Discharge CC,02C,2.5V
Cut-off charge Voltage 4.20V±0.05V
Cut-off charge Current 80mA(At CVmode)
Cut-off discharge Voltage 2.5V
Charging Time 3hours(standard charge)
Quick Charge Current 8A(2C)
Max Discharge Current 50A
Max Peak Discharge Current 80A(2S)
Initial Impedance ≤13mΩ
Weight Approx:69g
Operating temperature Charging:0℃~50℃
Discharging:-20℃~75℃
Storage temperature -20℃~45℃
Storage Humidity ≤75%RH
Standard environmental condition Temperature:25±2℃
Humidity:45-75%RH
Atmospheric Pressure:86-106KPA

For technical support and service regarding our 21700 Lithium Battery, please contact our customer service team.

3.6V 4000mAh 50A 21700 Lithium Ion Battery Cell For Flashlights With Overcurrent Protection

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3.6V 4000mAh 50A 21700 Lithium Ion Battery Cell For Flashlights With Overcurrent Protection

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Brand Name :
Tuorde
Model Number :
21700 Cell
Place of Origin :
China
Certification :
CE/UN38.3
Product Name :
21700 Lithium Battery
Storage Temperature :
-20℃~45℃
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3.6V 4000mAh 50A 21700 Lithium Ion Battery Cell For Flashlights With Overcurrent Protection

Shenzhen Tuorde Energy Co., Ltd

Site Member
3 Years
shenzhen
Since 2016
Business Type :
Manufacturer
Total Annual :
150million-USD 200million
Employee Number :
100~120
Certification Level :
Site Member
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