Suaoki 10000mAh Solar Charger External Backup Power Bank Pack Battery Dual USB Port Portable Charger with Led Flashlight for iPhone iPad Cell Phone Tablet Camera etc High Capacity Battery: the 10,000mAh battery can be charged by an external source through USB, and is monitored by 4 LED lights that let you know the battery's status while it's charging or in use Solid Build: a hard-plastic case ensures that the product will be protected from minor drops or spills, meaning it won't fail you on your typical day to day outings Dual USB: a 1A and a 2.5A USB output let you charge two electronics at once, and are suitable for tablets, smartphones, or any other gadgets Solar Support: charging from the unit's battery can be supplemented with the built-in solar panel during the day, giving you even more power on your adventures. Plus, the convenient 4 LEDs will let you know if the unit is drawing solar power Light Your Way: double-tap the power button to activate the built-in light and press it again to make it flash, perfect for when you're trying to find your way in the dark