Keep your iPhone, iPad, or Android smartphone charged while on the go with the RAVPower Ace Series 12000mAh Quick Charge Power Bank. The 12000mAh capacity allows you to charge your compatible devices more efficiently than standard chargers. The Quick Charge 3.0 port is designed to power devices up to 80 percent of its battery in just 35 minutes. In addition, the iSmart 2.0 port automatically determines the charging needs of your connected devices and adjust the output up to 2.4A. Furthermore, this power bank is built to keep your devices safe thanks to its overcharge and short-circuit protection.