Buffalo Japan has introduced the BSKBW01SB a solar powered wireless keyboard which makes you say goodbye to spare batteries. It has a small adjustable solar panel above the num pad which provides juice. It runs on batteries as well in case you wish to take this baby to a LAN party. The keyboard has 17 hot keys, operates in the usual 2.4 Ghz frequency and has a range of 10 meters. The unit goes for sale in Japan by mid July for 13,775 Yen ($ 135) saving power was never a cheap option.