Illuminated by 1.5W LED, the Solar Lightbox & Phone charger is 15x brighter than kerosene lamp and can last for up to 69 hours before recharge. It comes with 3.2V/2200mAh rechargeable and replaceable battery. The high efficiency 1.7W polycrystalline external solar panel charge the battery in 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.