Wired vs Wireless: What Building 50,000 FK Irons Cables Taught Me About Tattoo Power
I designed FK Irons' Ergo grips and built around 50,000 of their power cables. Here is what the move from wired to wireless taught me: a genuinely better product can still lose to a platform shift. An honest wired-vs-wireless verdict from the manufacturing bench.
What the full article covers
I designed FK Irons' Ergo grips and engineered roughly 50,000 of their power cables, a two-material ABS core overmoulded in electronics-grade TPE, so this verdict comes from the manufacturing bench, not a marketing deck.
A genuinely better cable still lost the market, because the industry chose wireless pens, and a platform shift beats a product improvement almost every time.
Wireless won on convenience, ergonomics, and hygiene, no cord dragging across a fresh stencil, and for most artists that trade is the right one today.
Cables are not dead. Artists who refuse to depend on a battery mid-session still have a legitimate reason to run wired, and reliability is on their side.
When you buy power gear in 2026, buy for how you actually work, not for the trend. The right tool is the one that disappears while you tattoo.
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First published on poliinternational.com. This is a summary of the original engineering article.