accumulator
alkaline
art
bar
batery
battery
black
capacity
cell
charge
charger
collection
color
design
electric
electrical
electricity
empty
energy
equipment
fuel
full
generation
icon
illustration
indicator
industry
interface
isolated
level
load
low
minus
mobile
panel
phone
plus
power
recharge
rechargeable
running
set
shape
sign
strength
supply
symbol
technology