3.6V 4000mAh 50A 21700 Lithium Ion Battery Cell For Flashlights With Overcurrent Protection
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
Negotiable
Brand:
Tuorde
Product 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.
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Company
Shenzhen Tuorde Energy Co., Ltd
Location
Building 2,No.62,Gaoke Rd.,Baolong St.,Longgang Dist.,Shenzhen,P.R.China
Contact Person
David Su