Posts Being Mobile On The Ice. 01/17/2023 / 01/17/2023 by marcum-tech Being Mobile On The Ice. Technology has made it so much easier to move around on the ice. GPS, map chips, lithium batteries, battery powered augers, dependable transportation, portable fish houses, light warm gear all contribute to making your experience on the ice better and easier. And what we have learned over the years is […] Read more » Lithium Batteries MX-7GPS Steve Mattson