accumulator
ampere
anode
attentions
battery
bin
capacity
caution
cautionary
cell
charged
close
contact
current
detail
device
dust
ecology
electric
electrical
electronic
element
energy
fuel
garbage
hazardous
macro
mono
object
organic
oxide
plus
point
polarity
power
rechargeable
recyclable
recycle
replenish
sign
stamina
storage
supply
trash
warning
waste
watt