aa
aaa
alkaline
array
background
batteries
battery
black
charge
close
closeup
conservation
current
disposable
electric
electrical
electricity
electronics
energy
equipment
fuel
generation
group
industry
isolated
line
macro
metal
minus
object
plus
positive
power
pp3
range
recharge
rechargeable
recycling
row
supply
technology
three
up
volt
voltage
watt
white
yellow