G-Mag Saltwater powered battery charger

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  • #47193
    Melindalee
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    I was at “The Columbus Prepperfest 2015” and I saw a G-mag saltwater powered battery charger. Anyone out there have one? Does it work well? Is it an item worth investing in for my preps? I can put it in my BOB or use it in a power outage.

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