The Trakker 20k Power Pack is ideal for keeping all your USB compatible devices fully charged and ready to go. With optimized charge technology provides advanced charging stability that adapts to offer optimal protected charging for a wide range of devices. Offering simultaneous charging via twin USB ports and additional USB-C port, allowing you to charge up to three devices at the same time. With a power level indication and charge status via four small white LEDs and supplied with micro-USB charge cable.