20 percent
accumulator
alkaline
battery
battery level
black
button
capacity
charge
charger
collection
concept
design
electric
electrical
electricity
element
empty
energy
equipment
flat
fuel
generation
icon
icon vector
illustration
indicator
interface
isolated
level
lightning
load
low
mobile
modern
object
phone
plus
power
recharge
rechargeable
set
sign
smartphone
source
supply
symbol
technology
web
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