About this item 30,000mAh Large Capacity Power Bank: The heavy duty 30000mAh capacity power bank can charge for iPhone 8 7 times, for iPhone x, for samsung galaxy S9 5 times, for iPad Air 4 times, and for switch 3 times. Dual inputs and Dual Outputs: Twin usb a output ports allow you to charge two devices simultaly, and detect all the connected devices and efficiently distributes the current output up to 5v 2.1a; dual input ports type c and micro usb can recharge itself in 11 hours with a 5v 2a charger and cable. Certified Safe: The power bank passed ul, ce certification, solar charger is safe to use and has a strong endurance and large capacity; more surprise, it can automatically adjust the output to deliver the most appropriate current, it keep your devices from overcharging, over current, over voltage and short circuit. Solar Portable Charger: Solar power bank is equipped with 1w solar panel bank which provide emergency power for travel, earthquakes, typhoons, other natural disasters, outdoors; it only weights as much as a 16oz bottle of water, easy to carry, fireproof, and low temperature resistant, which help you handle many harsh outdoor environments. What You Get: 30000mAh portable charger solar power bank, micro usb cable, user manual.PLEASE CONTACT US FIRST BEFORE SHARE IF YOU HAVE ANY QUALITY ISSUES.