accessory
accumulator
adapter
background
battery
cable
capacity
cell
charge
charger
close
communication
complete
connect
coupling
current
cutout
detail
electric
electrical
electricity
electronic
energy
equipment
fuel
isolated
loading
mobile
modern
nickel
object
plastic
plug
polarity
power
recover
set
sign
store
symbol
technology
telephone
transformer
universal
voltage
watt
white
wire