Fitting USB charge points under the armrests.
- Lighter socket - 2 quid ebay
- USB power adapter - 1 quid
- USB surface mount Sockets - 1 quid ebay
Splice it into the rear lighter socket cable, and fit the surface mounts into the rear of the tray and a much neater solution.
Though I did spot
http://www.ebay.co.uk/itm/Dual-USB-C...item540a058bb4 on ebay this morning which looks cool.