Thunder Bolt black outline icon
Outline of a tall zigzag lightning bolt with pointed tips
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About the Thunder Bolt black outline icon
A single lightning bolt runs top to bottom as a slim zigzag: a pointed tip at the top, a wide step to the right at the midpoint and a tapered spike at the bottom, all drawn as one closed contour with no background shape. It reads instantly as electricity, speed and instant action, which suits charging and battery indicators, flash toggles in camera apps, power-mode buttons, energy provider sites and performance slides.
The tall, narrow proportion gives it a strong vertical silhouette that lines up well beside other glyph-only icons. Pair it with battery, plug and solar panel icons for an energy set, and keep the stroke weight consistent so the sharp tips do not thicken at small button sizes.
This is the black outline version of the thunder bolt icon: even, monoline strokes that stay crisp at small sizes and suit clean, minimal interfaces, wireframes and light backgrounds.
It downloads free as an SVG vector or transparent PNG in seven sizes, and the free online editor lets you recolor it, apply gold, silver, neon and gradient styles, add animation, or convert it to EPS, PDF and DXF.
Free for personal and commercial use with attribution.
