BigBlue 28W High-Efficiency Solar Panel Charger with Dual USB-C and USB-A | Portable & Waterproof for Outdoor Use

• Advanced Performance: BigBlue 28W portable solar charger provides 20% more power from every ray, thanks to shadow-free surface design (No metal lines on the front panel). Engineered heat resistance and advanced N-type solar cells offer superior Low-Light efficiency and extending operational longevity
• Upgraded Triple-Port: Dual USB-C and one USB-A ports deliver a maximum output of 5V/3A each, collectively achieving 5V/4.8A. This solar panel charger empowers simultaneous multi-device charging. Please note that the portable solar panel can't store the electricity and must be used in direct sunlight while connected to your devices
• High-Efficiency & IP44 Waterproof: 28W USB solar panel phone charger converts 25.4% sunlight into free energy – industry-leading efficiency. Our most durable design with special polymer surface resists rain, fog, and wear better than conventional panels. Note: USB junction box is not waterproof
• Ultra-Portable Emergency Solar Charger: Engineered for outdoor camping/hiking and emergency power supply, BigBlue folding solar panel charger folds to just 11x6x1.4 inches and weighs only 1.5 lbs—compact enough for tight backpack. Unfold, Plug, Power, easy to setup, it is critical for hurricane preparedness kits
• Universal Power on the Go: Charge your smartphones, power banks, GPS, flashlight and small electronics seamlessly with BigBlue's lightweight solar panel charger. Actual output fluctuates with solar irradiance, angular orientation, connected device specifications, ambient temperature etc. Equipped with Intelligent Safety Charging for fast, 100% safe energy in sunlight. (Cable for Apple devices is not included.)
• Package & Support: You will get a BigBlue 28W Solar Panel Charger, a 50cm USB-C to USB-C Cable, Carabiners, a User Manual and our friendly customer service. Note: we don't suggest you use this foldable solar panel inside of a window or windscreen. The LED light glow solid blue when charging properly - your sign to just relax and let it work
• Note 1: This solar panel charger is designed for direct charging and does not have an internal battery to store electricity. Optimal charging speed requires direct sunlight, as insufficient sunlight will result in unstable or reduced power output. Its power output is not sufficient for charging laptops or large power stations
• Note 2: Keep your devices (phone, iPad etc.) in the shade while charging. Direct sunlight and high temperatures may trigger the device’s built-in thermal protection, which can significantly reduce charging speed or temporarily stop charging.

• Unfold the Solar Panel — Unfold the panel fully in direct sunlight, attach included carabiners for secure placement on backpack or tent.
• Connect Devices — Plug your smartphone or GPS into the USB-C or USB-A ports. Ensure the LED glow is solid blue, indicating proper charging.
• Position for Optimal Sunlight — Adjust the panel's angle to face the sun directly, avoiding shade or obstructions for maximum power output.
• Monitor Charging — Keep devices in the shade during charging to prevent thermal shutdown. Use in direct sunlight for best results.

Typical situations where BigBlue 28W High-Efficiency Solar Panel Charger with Dual USB-C and USB-A | Portable & Waterproof for Outdoor Use helps — illustrative scenarios, not customer reviews.