Performance
Standby current: 5uA max
Maximum output current: 2.5A
Maximum output wattage: 8W
Voltage: 4.2V max, voltage is not adjustable
Cartomizer resistance: 2.0 Ohm
Battery: Built-in 650mAh Li-Ion rechargeable battery
Battery fully charge duration: 2.5 hours
Charging: Bottom Micro-USB charging, 420mA max
Short-circuit Protection: 1.5 ohm
Battery charge power supply: USB 5V