SPECIFICATIONS:

• Output power of solar panel: 1W
• Battery capacity: 3.7V/4500mAh
• Sunlight charging current: Approx. 160-200mA
• USB charging port: 5V, 1A
• USB charging current: Approx. 700mA
• Charging time: About 16h by bright sunlight, about 4h by USB charging cable
• Battery indicator: 4 LED indicator lights
• Output interface: 5.6mm (outer diameter) * 2.0mm (inner diameter), a pin inside
• Intelligent protection chip: include overcharge, over-discharge, overload, short-circuit protection, and detect digital devices automatically

• Work environment:-20 – 80°C
• IP54 waterproof standard
• Dimension of solar panel: 120*65mm