Best adaptor to use when powering two devices.

Hey dudes what cigarette lighter adaptors do you lot use for when using to devices at the same time I’ve had a look and they all look cheap and tacky, any decent ones out there?

It’s because my ipod to Audi headunit adaptor doesn’t power my ipod as the wire goes straight into the headphone jack. I’m annoyed as I didn’t realise, this when i bought it, I don’t want to spend more and buy another.

Or any other ways to charge the ipod?

Thanks

Allan