ac
adapter
adaptor
background
bank
battery
black
cable
cell
charge
charger
chargers
closeup
communication
computer
concept
connect
connection
connector
cord
design
device
digital
display
electric
electrical
electricity
energy
equipment
isolated
laptop
line
mobile
modern
object
phone
plug
portable
power
recharge
smart
smartphone
supply
technology
telephone
transformer
usb
voltage
white
wire