aa
accumulator
alkaline
background
battery
black
blue
cadmium
cell
charge
chemical
conservation
current
cylinder
electric
electrical
electricity
electronics
eneloop
energy
environment
fuel
generation
green
group
industry
isolated
macro
metal
negative
object
plus
pole
positive
power
recharge
rechargeable
recycling
sanyo
sign
store
supply
symbol
technology
volt
voltage
watt
white