Our Power Bank 10K comes equipped with a 10,000 mAh battery to give up to an additional 36 hours* of battery life to your smartphone. Text, chat, and watch videos without worrying about losing your charge as you power devices from one USB-C or two USB-A ports. A 6 in./15cm USB-A to USB-C® cable is included, so you can start charging right out of the box.<br />Delivers 12W of power when a single USB-A port is in use<br />Total 12W of power is shared across both USB-A ports when used simultaneously<br />Delivers 15W of power when only the USB-C port is in use<br />Total 15W of power is shared across all ports when used simultaneously