accumulator
background
battery
battery set
bundle
capacity
cell
charge
charger
chemical
complete
component
connection
dark
device
discharged
electric
electrical
electricity
electronic
energy
equipment
fuel
full
gadget
icon
illustration
indicator
isolated
level
load
loading
low
plug
power
progress
recharge
rechargeable
refill
resource
set
sign
source
status
supply
symbol
technology
voltage
wireless