The 4-Port Wall Charger feels quite light and hollow for the power it’s packing, weighing in at only 6.4 ounces. All of the USB ports are lined up along the front edge of the charger, with a power indicator light to the right. Centered on the back is the port for the two-prong wall adapter, while four rubber feet on the bottom help keep the unit from slipping. It’s a very basic-looking accessory, but the size and simplicity are appreciated.…