'swapped it with' is a correct and usable part of a sentence in written English.
You can use it to indicate that something has been exchanged for something else. For example: She swapped her old car for a newer model.
His computer program selected a card and swapped it with another card in the stack, then repeated the process until all the cards had been reordered.
When John shows Julia an EP record of Screamin' Jay Hawkins, she asks where he got it, and John says he swapped it with a bloke at the docks.
Turns out she'd swapped it for a Lily of the Valley eau de toilette set I gave Graham, who in turn swapped it with Andrew for the customised Rubik's Cube I'd had made for him (it was entirely red. Every square. He still couldn't do it).
I swapped it with the correct one.
They determined the roommate had purchased a similar Scratcher Lottery Ticket, altered it, and swapped it with the winning ticket".
"I'm going to swap this," I said, solemnly, holding Ponyta up to the sky, "as many times as I can in one day!" I then immediately swapped it with Paul Schultz for a Diglett.
One of these assemblies malfunctioned briefly last fall and NASA decided to swap it with a spare.
You could swap it with the technical specifications documentation for a Netgear AV 500 Powerline Adapter and no one would notice.
So the transit agency encouraged the cities to do with the stimulus money what they often do with other money — swap it with other cities at a discounted rate.
Bizarrely, I also decided that when the baby was born, I would swap it with another child in the hospital, and at least then they wouldn't be my responsibility any more.
Depending on the customer's situation, the battery-leasing company may charge the battery or swap it with another fully charged one.
