aa
alkaline
background
battery
black
capacity
cell
charge
close
close up
closeup
component
conservation
current
cylinder
disposable
electric
electrical
electricity
electronic
electronics
energy
equipment
four
generation
green
group
industry
isolated
macro
metal
minus
negative
object
plus
positive
power
recharge
rechargeable
recycling
shape
single
supply
technology
volt
voltage
watt
watts
white
yellow