The phrase "charge port" refers to the place on a device, like a phone or a laptop, where you can connect a charger or cable to replenish the device's battery power. Full definition
Other features include up to 12 GB of memory, four USB 3.0 ports and always - on USB charging port for enhanced connectivity. (ecoustics.com)
I like the reversible USB Type - C charging port in theory, and once more phone - makers start using it, charging cables will be easier to come by. (cnet.com)
Looking around the tablet you'll find the micro USB charging port on the bottom edge with the volume rocker and standby button situated high up on the right edge. (trustedreviews.com)