Durable and Portable Design: The 63200mAh Portable Solar Power Bank is designed with a ultra slim and waterproof body, weighing only 680g, making it easy to carry and use in various outdoor settings. High Capacity and Fast Charging: With a battery capacity of 63200mAh and fast charging capabilities, this power bank can quickly charge your devices on the go. Multi-Functional: This product features a built-in hand crank for manual charging, solar charging, and a built-in LED light for illumination in dark environments. Safety Features: Equipped with over-charging, over-discharging, and short circuit protection, this power bank ensures safe and reliable use. Customizable and Reliable: This product is suitable for personal or commercial use, backed by a 1-year warranty.