Model Number RP-PB1224 Brand RAVPOWER Compatibility Universal Connection Wired Accessory For Phones mAh Capacity 20000 mAh Product Type Power Bank Color Black High Output Efficiency This power bank offers a constant 20W output and is equipped with built-in 21700 battery cells for more power in a compact form factor. It can charge an iPhone Fast Charging Restore full power in just 3.5 hours using a USB-C to C cable connected to a wall charger that supports USB-C Power Delivery (please note that a wall charger is not included). Fast, efficient charging means less downtime and more productivity. Dual Charging Convenience With dual output ports, this power bank allows two devices to be charged simultaneously without sacrificing charging speed. Perfect for keeping all your devices at optimal power levels, even when you're on the go. Ultra Portable Design This charger is the perfect travel companion with dimensions of 4.4 x 2.0 x 1.0 inches and a weight of just under 6.7 ounces. It fits easily into any bag or pocket, making it perfect for travel, work, or everyday use.