On the dance floor, Phyllis Bogart moves like she’s made of electricity, not metal.

At 78, her pink-and-purple-streaked curls bounce as she shimmies and shakes with the energy of someone half her age, each twirl punctuated by a wide, wild grin.

It’s clear that four hip replacements, a mechanical knee and a string of other surgeries haven’t slowed her down — though they did earn her a nickname.

“With all the titanium in my body, I’ve become known as the bionic babe,” Bogart told The Post.

The retired nurse and pharmaceutical rep is a member of the Pacemakers — a precision dance troupe that’s redefining what it means to be a senior, helping people in their 60s, 70s and even 80s stay active both mentally and physically.

“I’m older,” Bogart said. “But I’m also vital. I’m exciting. I’m a

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