SIIG Dual-Function Travel USB Wall Charger with Built-in 5000mAh Power Bank - 2 Smart Charging Port (AC-PW0V12-S1) 2-Port USB wall charger with integrated battery power pack provides dual charging solutions Foldable AC plug for easy storage. Plugs into an AC outlet to use as USB wall charger, compatible with international AC power source from 100V~240V Two USB charging ports provide total power output up to 3.4A. Built-in smart detection circuit maximizes charging efficiency Works as a portable battery power bank while on-the-go, 5000mAh battery capacity supports full charge to iPhone, iPad, tablets, smartphones, and many other USB powered portable devices Motion-activated battery charging power control, automatic off when connected devices are fully charged