9
12
alkaline
battery
capacity
cell
charge
concept
conductive
conservation
cover
current
dead
electric
electrical
electricity
empty
enclose
energy
environment
garbage
hazard
heat
hot
industry
landfill
nonconductive
power
product
proper
protect
recharge
recycle
recycling
renewable
reuse
risk
safety
solid
spark
spent
tape
technology
terminal
throw
trash
used
v
volt
waste