Anker's 36W 4-Port USB Wall Charger is the best multiport USB charger for most people. It's the most powerful charger that plugs directly into a wall outlet, letting you fast-charge up to three full-size iPads at once or four at a slower rate.What is an USB wall outlet?
A USB wall outlet is a step up from the standard outlet. It adds USB charging capabilities to the wall without the need for an adapter. When you have a phone and a tablet that both need to be charged, you normally have to take up both spaces in a standard outlet. This is because your USB cables need to run through an adapter to receive the ...What is an USB charging port?
The Universal Serial Bus (USB) port on computers and laptops is a data port that also serves as a 5-volt power source. Personal handheld electronics like cell phones, personal digital assistants (PDAs), and digital music players can make use of this port to recharge their batteries by using a USB charger.What is an USB charger?
A USB charger is a cable that connects the device to the computer’s 5-volt USB port, recharging the battery via the computer. AC chargers are designed to work with particular products and specific models. Voltage differs among chargers, and using the wrong charger can damage a device.