NEBO's 20K Power Bank is a compact, large capacity power solution to easily charge your devices on-the-go. This portable battery backup features USB-C and USB-A output ports to provide a wide compatibility for keeping your devices running all day long. The power bank can be recharged using the bi-directional USB-C port and features a digital battery percentage display, so you know exactly how much power you have remaining. Ideal for personal or shared use. The power bank is sturdy, impact-resistant and the 20000 mAh (74 watt-hour) capacity is enough to charge a smartphone up to 4x before needing to be recharged*. *Based on internal testing with an iPhone 15 Pro. Results may vary by device and conditions.