Portable Solar Panel, USB 5V 21W Built-in 6000Mah Power Bank Foldable Solar Battery Charger

★ High-efficiency solar panels: using American solar panels, high energy conversion, conversion rate is 60% higher than traditional monocrystalline silicon solar panels, brand new technology, fast charging
★ Advanced intelligent voltage stabilization technology: The intelligent circuit always stabilizes the output voltage at 5V, matching the output of a stable and comfortable current, and will not damage the charging equipment. Intelligently recognize the light intensity. When there is no sunlight or the sunlight is unstable, the charging will be automatically disconnected. When the sunlight is sufficient, the charging will be automatically connected and the charging will be restarted
★ Built-in 6000mAh Battery, Store energy and supply power to your device whenever, most solar panels can not be used at night in market
★ Charge Technologies:Dual USB-A & one USB-C fast charging, its fastest possible current up to 3Amps per USB port and 3.5Amps in total; 2A input, recharged by solar or wall charger
★ IPX4 waterproof: In order to cope with the harsh outdoor environment, powerful functions, craft forging, made of high light transmittance, toughness and aging resistance TPU material, so that the solar panel can achieve the characteristics of splash and mildew resistance, and the waterproof level reaches IPX4