Philips Xenium 9@9j with Integrated BackuPower

Announced in March 2007 last year, BackuPower provides users with a remarkably simple solution for instantly recharging their phones: by inserting any type of standard sized AAA battery -- alkaline or NiMH rechargeable -- in the phone's easily accessible cavity. The new Philips Xenium 9@9j has extended power provided by Techtium's BackuPower, it will be available in April this year.[Source]