Discover the Pro 400, the brightest solar lantern available at solarlights. It can provide light for up to 100 hours with its durable, long-lasting battery—an effective solution for your lighting and charging needs, whether you’re studying, cooking, or working at night. Equipped with a USB port for basic feature phone charging, a 5 V USB port, and several phone adapters, the Pro 400 ensures you're always connected. Trust solarlights for reliable and sustainable lighting solutions that power your life, day or night.