> Sunamp’s thermal battery are three compounds: sodium acetate trihydrate (SAT), a food flavoring used in salt-and-vinegar potato chips; water; and a sprinkling

> Sunamp’s thermal battery are three compounds: sodium acetate trihydrate (SAT), a food flavoring used in salt-and-vinegar potato chips; water; and a sprinkling of so-called crystal habit modifiers In case you didn't want to parse the entire backstory of the company's founding to find out.