
VapCell K40 21700 4000mah 30A/45A Battery 1pcs
Buy two batteries Get one protective zipper carrying case
Priced per battery, not per pair.
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 80cut
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
External charger recommended for optimal balanced charging, speed and safety. Battery Cases help you keep your batteries safe