3d
accumulator
alkaline
background
battery
black
capacity
cell
charge
charger
chemical
clean
collection
color
design
electric
electrical
electricity
electronics
empty
energy
fuel
full
glass
green
icon
illustration
isolated
level
metal
minus
negative
object
on
positive
power
recharge
red
reflection
resolution
set
shiny
sign
strength
supply
symbol
technology
volt
voltage
watt