accumulator
acid
alkaline
ampere
art
auto
battery
black
button
cadmium
car
cell
charge
charger
check
design
device
electric
electricity
energy
equipment
generation
generic
icon
illustration
image
industrial
interface
isolated
line
maintenance
minus
outline
painting
plus
portable
power
service
sign
starter
supply
symbol
technology
thin
transportation
vehicle
volt
voltage
wattage