Details：

Battery capacity: 2500mAh
Battery voltage: 3.7V
Battery watt hour: 9.25Wh
Battery type: Lithium-ion rechargeable battery
Charging time: 3.5hours
Using time: Continuous using time of about 40 minutes
Temperature gear: 6(150℃ 160℃ 170℃ 180℃ 190℃ 200℃
USB length: 58±5cm
Item size: 19x5.6x4.9cm