3d
aa
accumulator
alkaline
background
battery
charge
class
closeup
conservation
cylinder
design
disposable
double
ecology
electrical
electricity
electronic
energy
fuel
full
generation
green
group
icon
illustration
indicator
isolated
level
macro
metal
minus
objects
plus
power
recharge
render
set
shape
supply
symbol
technology
type
volt
voltage
watt
white