accumulator
acid
alkaline
battery
black
capacious
capacity
charge
charger
charging
chemical
collection
design
electric
electrical
electricity
electronic
electronics
empty
energy
engine
equipment
full
generation
icon
illustration
industry
interface
isolated
level
lightning
load
low
metal
minus
object
plus
power
recharge
set
sign
source
supply
technology
volt
voltage
white
wire