• Mini portable style and USB charging
• Can be use as Power Bank
• Convenient to carry
• 2200mAh high-capacity lithium battery
• Low power consumption
• Energy saving
• Output Power MAX: 4W
• Input Voltage: DC 5V
• Output Voltage: DC 5V-9V
• Input Current: 0.5A-1A
• Working Time: 2 hours in Gear 3; 3.5 hours in Gear 2; 6.5 hours in Gear 1
• Battery Specification: 18650 Li-ion
• Battery Installation: Removable
• Material: ABS