9v
alkaline
amp
amperage
battery
blue
cadmium
capacity
cell
charge
compact
current
dc
direct
discharge
dry cell
electric
electrical
electricity
electronics
empty
energy
environment
generic
hands
isolated
isolation
metal
negative
nine
performance
polarity
pole
portable
positive
power
recharge
rechargeable
recycling
shock
source
stripe
supply
technology
volt
voltage
white
white background