aa
acid
alkaline
array
battery
bunch
cell
charge
closeup
detail
disposable
double a
effect
electric
electrical
electricity
electronics
end
ends
energy
few
fuel
global
grid
group
life
lots
many
metal
new
pattern
plus
positive
power
recharge
recycle
row
several
shiny
similarity
source
stack
stacked
stand
still
texture
tops
upright
volt
voltage