environmental
aa
accumulators
alkaline
background
batteries
cadmium
capacity
conservation
current
cylinder
dc
electric
electrical
electricity
electronics
element
energize
energy
environment
fuel
generation
industry
line
metal
mignon
on
polarity
positive
power
protection
recharge
rechargeable
recycling
red
round
row
size
store
supply
volts
watt
wattage
white