3d illustration
accumulation
accumulator
background
battery
capacity
cell
charge
charger
chart
current
design
device
diagram
discharged
electric
electricity
empty
energy
equipment
full
generation
green
high
icon
icons
indication
indicator
innovation
level
load
mobile
performance
positive
power
progress
recharge
rechargeable
render
set
sign
simplicity
smartphone
status
step
supply
symbol
technology
voltage
watt