BigBlue 28W Solar Charger Foldable With Digital Ammeter, Outdoor Powered SunPower Panels Dual USB Ports(5V/4A Overall) for iPhone iPad Samsung Galaxy LG Cellphones and Devices

Built-in Ammeter and Chip: The BigBlue 28W solar charger features a digital ammeter that displays real-time ampere readings and an internal chip that ensures stable charging. Equipped with N-type solar panels, it achieves a high solar conversion efficiency of up to 25.4%, making it ideal for outdoor activities like camping, climbing, fishing, etc Wide Compatibility: This solar panel comes with a USB-C cable, suitable for most Android devices and some DSLRs. Through testing with various phones, it is compatible with all major models, including iPhone, Samsung, HTC, Sony, Nexus, HUAWEI, Xiaomi, etc. Perfect for outdoor camping, hiking, or exploration Safe Charging Design: Store your phone in the zippered pocket to keep it secure and clean during use. Its compact size (11×6×1.4 inches when folded / 32.9×11×0.2 inches when unfolded) and stainless-steel eyelets on each corner allow easy attachment to backpacks, trees, or tents Exclusive Smart IC Technology: Equipped with USB A and USB C ports, our solar phone charger utilizes a built-in intelligent chip to detect your device and deliver its optimal charging speed with the USB A port providing 5V/2.4A, the USB C port offering 5V/3A, and the dual ports together delivering a total output of 5V/4A IP44 Waterproof Protection: The solar panel is rated IP44, meaning it can withstand light rain and wet fog. It performs reliably in harsh environments, but avoid direct contact with water while charging to maintain functionality and longevity