3d
accumulator
acid
alkaline
ampere
auto
background
battery
button
capacity
car
cell
cg
charge
charger
check
device
electric
electrical
electricity
energy
equipment
flat
gavel
generation
generic
icon
illustration
indication
interface
isolated
judge
maintenance
mallet
minus
plus
portable
power
render
rendering
service
sign
supply
symbol
technology
transportation
vehicle
volt
voltage