【28W Solar Charger with Digital Ammeter】 BigBlue Portable SunPower Solar Panel with 2USB(5V/4A Max Overall) for Camping, Folding and Waterproof, Compatible with Battery, Cellphones, Huawei, LG

• 👍Built-in Ammeter: The ammeter of this 28w solar panel charger can measure the current real-time value. Note that the value depends on your connected devices, sunlgiht intensity and cable used. If your device has an input current of 1A (such as the i Phone), the amount of ammeter will show between 0.8A and 1A in theory.
• 👍Exclusive Smart IC Technology: With the built-in intelligence chip, our solar phone charger detects your device then deliver its fastest possible charging speed(single maximum usb output up to 5V/2.4A, dual maximum USB up to 4A). Dual-port applys to all the 5V Android devices and apple devices. Note: This solar charger is not compatible with the iPad Pro.
• 👍High Conversion Efficiency: SunPower Solar Panels with higher solar conversion efficiency by up to 24%.4 carabiners allow you to hook your solar charger everywhere convenient to get solar access (trees, backpacks, vehicle, etc.). With compact size (11.1 × 6.3× 1.3in folded) and lightweight (21.0 oz) design, this folding solar charger is easy to carry for any outdoor activities such as camping, climbing, fishing etc.
• 👍Special PET Polymer Surface: Industrial-strength PET polymer fabric protects your portable solar panel charger and your devices from occasional rain or wet fog. IPX4 waterproof level, but the USB ports and ammeter are not water-resistant, so keep them away from water while using. The pocket with a zip will keep your devices safe and clean while camping.
• 👍Easy to Use: Please unfold four solar panels under outdoor direct sunlight( No cloud and no shadow), then connect your device to the usb port with your certificated cable. A micro usb cable is provided in our package and not included the lightning cable. Note: Please don't place the device inside the pocket attached when charging in order to avoid overheating then damage your devices.