GSLO has announced that it has secured the rights to exclusively sell a new charging case in the US. The case is the Volt Solar Charger and has an internal battery and a solar panel on the back for charging on the go. Millennial Media has offered up the numbers for the mobile market based on ad impressions for December 2010

» Read more: GSLO Volt Solar Charger, Apple was most popular device maker in December, Case-mate gear for Verizon iPhone