Illuminated by 1.8W LED, the Solar Lightbox & Phone charger is 20x brighter than kerosene lamp and can last for up to 78 hours before recharge. It comes with 3.2V/3000mAh rechargeable and replaceable battery. The high efficiency 2.5W polycrystalline external solar panel charge the battery in 6-8 hours under direct sunlight. The multi-level of 5 brightness light settings make the light meet your personal needs for reading, working and walking around. Different lighting angles and hand strap made it suitable for different indoor & outdoor usage modes. Last but not least, you can charge your phone with the USB port.