Trekbest Portable Solar Charger, Dual USB Port 10000mAh Portable Solar Power Bank for iPhone, iPad and Android Phones (White) New Design - Well constructed, moderately-sized and reassuringly heavy in the hand or in your pocket. Surface micro dull polished, more exquisite and upscale High Capacity - Built-in 10,000mAh high capacity rechargeable lithium polymer battery. Equipped with a compact solar panel, an eco-friendly, powerful monocrystalline solar panel, which could recharge the battery itself under sunlight for emergency purpose while outdoor or the grid is unavailable. Powerful with more than 500 recharging times Compatibility - Dual USB ports compatible with most USB-charged devices such as iPhone, iPad, iPod, Samsung phones, other Android mobile phones, cameras, Kindles etc, allowing to charge TWO devices simultaneously.Support all digital electronic devices with 5V/2.1A/1A input. USB 1: 5V 2.1A; USB 2: 5V 1A Safe and Reliable - safe with precision IC protection to prevent overcharging, over-discharging, over-current over-voltage and over short circuit. Anti-explosion, lightweight, compact and reliable lithium polymer battery Kindly Note - Due to the size of the solar panel and large capacity of the battery, recharging via solar energy is slow, not a primary source of charging. We suggest to recharge through wall charger at the beginning to make the power battery fully activated. The solar panel is only design for emergency