HP 11400 mAh Power Bank  (Black, Lithium Polymer, for Mobile)

Portable power through USB-C Charge and power your Windows or macOS notebook and USB devices from a single USB-C connection, even when you can’t plug in, with the HP USB-C Essential Power Bank. Enjoy the functionality of an AC adapter and battery with the expansion of a USB hub in one essential device. Do more with less Reduce the cables you carry and keep working without searching for a power outlet. The bank charges your device through its USB-C cable and your phone and accessories from its additional USB-A and USB-C ports—no extra dongles required. Pre-charge and go Charge the bank beforehand from your notebook’s USB-C AC adapter and monitor progress on the fuel LED.