Overview
- High-quality BC Solar Cell: BigBlue 28W used upgraded solar cells whose conversion efficiency can reach 25.4%. Without metal lines on the front, BC solar cells capture more sunlight, increasing electricity generation while providing a sleek design. Fewer front-side components also help these cells stay cooler, enabling solar panels to improve light absorption and extend their lifespan
- Built-in Digital Ammeter: BigBlue 28w solar panel charger can measure current real-time value, which is convenient for your use. Note that the value of actual outputs depends on the sunlight intensity, placed angle, temperature, connected devices etc. The foldable design and 4 carabiners are easy to carry for any outdoor activities such as camping trips, climbing, hiking, fishing etc.
- Exclusive Smart IC Technology: With the built-in intelligent chip, our solar phone charger detects your device and then delivers its fastest possible charging speed (Single maximum output up to 5V/2.4A, dual maximum outputs up to 5V/4A). If clouds block the sun, this portable solar charger can intelligently detect the sunlight and restart to charge your electronics when there is enough sunlight.
- ULTRA-PORTABLE CAMPING SOLUTION: BigBlue 21W solar charger is designed for ultimate portability, folding down to the size of a book and weighing just 1.32 lbs, making it easy to pack and carry wherever you go. The included hooks allow you to effortlessly attach it to your backpack or tent (Please orient the small solar panels toward the sunlight), making it an essential companion for hiking, road trips or emergency preparedness
- FAST AND SAFE CHARGING: Dual USB ports (each 5V/3A max, combined 5V/4.2A max) efficiently power most 5V electronic devices, including iPhones, Android phones, tablets, power banks, GPS, etc, when all portable solar panels are exposed to sufficient sunlight. Intelligent IC chip safeguards against overcurrent and short circuits, ensuring reliable and smart charging
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