BigBlue 28W Solar Charger Foldable with Digital Ammeter, Outdoor Solar Powered Charger with IP44 Solar Panels USB-A & USB-C Ports (5V/4A Overall) for iPhone iPad Samsung Galaxy LG 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 devices and some DSLRs. Through extensive testing with various phones, it is nearly universally compatible and works seamlessly with all major models. 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