PNG SVG MORE
Signs & symbols
Glyph
Miscellany Web icons
Idea, light, lightbulb
Black
315x512
PNG ICO ICNS SVG MORE
Music & multimedia
Electronic Devices vol 1
Electric, Source, Cfl
512x512
Electronics & appliances
Electronic Devices vol 2
Extension, plug, switch
Mixed
Free Misc Icon Set 2
power, bulb, lamp
Nature & outdoors
Green Energy Initiative
green energy, Energy, green
Energy, charge, Battery
Weather
Vector Weather
electricity, power, Bold
iOS7 optimized
Miu
electricity, turn off, stroke
haft, Battery, charge
electricity, half, Electric
electricity, charging, Full
Battery, Full, stroke
Empty, Energy, power
charge, Device, power
stroke, Battery, Energy
Energy, electricity, charging
UI
Very Basic. Android L (Lollipop)
electricity, Light bulb, Idea
PNG ICO ICNS MORE
Mobile apps
app types in grey
electricity, Battery, plug
WPZOOM Developer Icon Set
electricity
Business & finance
48x48 Free Time Icons
Strike, Idea, light
48x48
Windows 8 metro style
Mimi Glyphs
electricity, power
16x16