With "s" or without "s"

[rafaelgan]

Let's gets this battle overwin.

Let's get this battle overwin.

And the word overwin, I am not sure, I heard it in a video, do you know anything that sounds similar?

 

[timpeac]

I expect it is

Let's get this battle over with = finished.

 

[. 1]

Tim is right.

It could be nothing else.

Let's get this battle (game/task/job/challenge) over with.

This is an idiomatic construction.

.,,