• Brand: Vapcell
• Series: 21700
• Model: K40
• CDR: 30A
• Color: Brown
• Weight: 68g
• Chemistry: INR
• Type: Flat Top

Specifications:

• Model: K40
• Size: 21.1*70.6mm
•  Typical Capacity: 4000mAh (0.2C discharge)
•  Min capacity: 3900mAh (0.2C discharge)
•  Nominal voltage: 3.60V
•  Max Continuous Discharge Current:30A
•  Max Discharge Current: 45A with 80℃ cut
•  End-of-charge voltage: 4.20V
•  End-of-discharge Voltage: 2.5V
•  Weight: 68g ( Appr)
•  Internal resistance: 10mΩ ( Appr) （AC 1kHz）
•  Standard Charge: 2000mA,CCCV 100mA cut-off
•  Quick Charge Current: 6000mA
•  Performance similar to Samsung 40T