battery
camera
cell
charge
chemical
closeup
compartment
conservation
device
electric
electrical
electricity
electronic
energy
finger
fuel
generation
grey
industry
isolate
isolated
light
loading
mobile
mobility
modern
pack
package
part
personal
photo
photographic
plastic
portable
power
professional
recycle
recycling
service
slr
source
storage
supply
technology
three
video
volt
watt
white