auto
automated
automatic
battery
black
blue
bolt
button
charge
charger
color
colorful
electric
electrical
electricity
electronic
energy
equipment
flash
fulminant
gallery
grumble
icon
illustration
image
instrument
interface
light
object
photo
photographic
picture
powerful
service
shape
shiny
shock
speed
stormy
stylish
supply
symbol
technology
thunder
thunderbolt
tool
volts
web