9volt
aa
aaa
accumulator
alkaline
background
batteries
battery
carbonzinc
cell
charge
closeup
color
contact
cylindrical
d
device
different
disposable
disposal
doublea
dry
ecology
electric
electrical
electricity
energize
energy
environment
group
industry
many
minus
negative
new
nine
nobody
object
plus
polarity
positive
power
recycling
technology
types
view
volt
voltage
waste
white