aa
accumulator
alkaline
background
batteries
battery
carbon
cell
closeup
color
design
disposable
disposal
ecology
electric
electrical
electricity
element
energize
energy
environment
garbage
industry
light
metal
minus
negative
new
nobody
object
pink
plus
polarity
positive
power
recharge
rechargeable
recycle
recycling
shape
space
supply
technology
two
volt
voltage
waste
zinc