aa
accumulator
acid
alkaline
appliances
background
batteries
battery
black
charge
closeup
component
conservation
current
disposable
electric
electrical
electricity
electronic
electronics
energy
environment
equipment
finger
fingertype
group
hydride
icon
isolated
macro
manganese
many
metal
minus
new
nimh
object
plus
polarity
pollution
positive
power
recharge
rechargeable
recycling
set
technology
volt
voltage
white