powerline-config.ps1

Set-PowerLinePrompt `
    -SetCurrentDirectory `
    -RestoreVirtualTerminal `
    -PowerLineFont `
    -FullColor `
    -Title {
        $title = "PowerShell {0} - {1} ({2}) - PID: {3}" -f $PSVersionTable.PSVersion.ToString(),(Convert-Path $pwd), $pwd.Provider.Name,$PID
        if (Test-Elevation) {
            "Elevated - $title"
        } else {
            $title
        }
    } `
    -Prompt @(
        { "`t" },
        { New-PromptText { Get-Elapsed } -BackgroundColor DarkGray -ForegroundColor Black -ErrorForegroundColor White -ErrorBackgroundColor DarkRed },
        { New-PromptText { Get-Date -f "T" } -BackgroundColor Gray -ForegroundColor Black },
        { "`n" },
        { New-PromptText { $MyInvocation.HistoryId } -BackgroundColor Blue -ForegroundColor White },
        { New-PromptText { "$([PoshCode.Pansies.Entities]::ExtendedCharacters["Gear"])" * $NestedPromptLevel } -BackgroundColor Blue -ForegroundColor White }
        { if($pushd = (Get-Location -Stack).count) { New-PromptText { "$([char]187)" + $pushd } -BackgroundColor DarkGray -ForegroundColor White } }
        { New-PromptText { (Get-SegmentedPath) -join ([PoshCode.Pansies.Entities]::ExtendedCharacters["Separator"]) } -BackgroundColor DarkBlue -ForegroundColor White },
        {
            if ($null -ne (Write-GitStatusPowerLine)) {
                New-PromptText { "$([PoshCode.Pansies.Entities]::ExtendedCharacters["Branch"]) $(Get-GitBranch)" } -BackgroundColor DarkGray -ForegroundColor White 
            }
        }
    )
    
Export-PowerLinePrompt

profile.ps1

#requires -Module PowerLine,PSGit,Pansies

[PoshCode.Pansies.Entities]::ExtendedCharacters["Gear"] = ([char]0x263C)

If you use -Save you can skip the Export.

And I thought the extended characters are included in the export, are they not re-importing right?

Yeah, I know about save 😄 Export was easier while experimenting to make sure it didn't overwrite all the time.
No the char was not saved to the config