If it can be powered by a battery, expect Sanyo to add it to its eneloop product line. After a long line of products that includes a bicycle , lighting and an assortment of hand and lap warmers, Sanyo is adding a portable solar generator and a neck warmer to the list. The generator (pictured left) uses Sanyo's HIT solar cells - one version with a single panel, and another with two (called "twin panels") for faster charging. A simple mesh bag houses the charger, with its back big enough to