Vapcell 21700 4500mah 20A Battery Pair

Parameters

Size: 21.5* 70.8mm
Nominal voltage: 3.60V
Standard charge: 1500mA, CCCV 100mA cut-off
Charging time: 4hours (standard charge)
Quick charge current: 3000mA
Max continuous discharge current: 20A
End-of-charge voltage: 4.20V
End-of-discharge Voltage: 2.5V
Typical capacity: 4500mAh (0.2C discharge)
Min capacity: 4400mAh (0.2C discharge)
Internal resistance: Max: 15mΩ（AC 1kHz

Safety

• Always use a battery charger that is rated for Li-ion cells
• Batteries should never be left charging unattended
• Batteries should never be loose in pocket or bag (use case provided)
• All lithium batteries have a cycle-life, however, a battery should be replaced every 2 years – whichever comes first
• Never continue to use a battery with a broken PVC wrap
• Never completely discharge batteries
• Do not expose to extreme heat