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Arrows
Glyph
Developer Set
off, Reboot, Energy
DarkSlateGray
512x512
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Signs & symbols
Miscellany Web icons
charged, Energy, Full
Black
300x512
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Mixed
Free Misc Icon Set 2
power, bulb, lamp
power, Up, Energy
Nature & outdoors
Green Energy Initiative
green energy, Energy, green
Energy, Turbine, wind power
Energy, charge, Battery
UI
Basic interface
Reboot, off, restart
Batery, electronics, Full
Battery, Energy, Empty
Empty, Battery, charge
Energy, Empty, Battery
iOS7 optimized
Miu
haft, Battery, charge
electricity, charging, Full
Battery, Full, stroke
Empty, Energy, power
charge, Device, power
stroke, Battery, Energy
Energy, electricity, charging
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Elysium Icons
charge, Energy, Battery
DimGray
24x24
Very Basic. Android L (Lollipop)
electricity, Light bulb, Idea
Sports & awards
Sports. Android L (Lollipop) Icon Pack.
sport, Energy, Absorber
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Mobile apps
app types in grey
electricity, Battery, plug
Business & finance
48x48 Free Time Icons
Strike, Idea, light
48x48