accu
accumulator
alkaline
battery
blue
brown
buttons
capacity
chemistry
colors
conservation
dark
design
disposable
electric
electricity
electronic
element
energy
equipment
flash
glass
glassy
gleam
glimmer
glisten
glossy
icons
load
negative
poles
positive
power
radiant
red
resplendence
resplendent
round
set
shiny
sphere
spherical
supply
symbols
technology
template
twinkle
twinkling
voltage
white