This amazing 10-Day Portable Charger supports Samsung and iPhone smartphones, Nintendo Switch, and other USB-charged devices. It supports simultaneous charging from its 26800mAH battery. It features three QC 3.0 compatible USB-A ports and an 18W USB-C PD port. It can charge an iPhone with 50 percent battery in half an hour. Meanwhile, a Samsung phone to 80 percent in 35 minutes. It also supports input power from most USB Type-C chargers.