6w 5v monocrystalline silicon outdoor solar charger outdoor waterproof portable solar panel mobile phone mini fan watch charger

this product chip is made of monocrystalline silicon material, greatly improving power generation efficiency and effectively reducing your after-sales costs. made of high-quality materials, it is environmentally friendly, waterproof, durable, sensitive, foldable, with a flat appearance and more convenient to carry. there is no built-in battery, and the power is directly output through a usb interface. there is no built-in battery for power transmission, and power is directly supplied to electronic devices through the usb output interface. suitable for outdoor activities, emergency and outdoor work..syi