Willcom and Sanyo has partnered up and developed this cylinder shaped phone which is powered by AA battery. The phone has no camera, no Bluetooth, no memory storage and don’t even have a screen. It only has numbers key and buttons for making and receiving calls. Yes, powered by single AA battery and will gives you 5 hours of talktime and 200 hours of standby time. Ok, it is still under prototype and it’s a Japan only products. If this is going into production, just hope they put screen on it. More pictures after the jump.

[via New Launches]