I think we get a few clues from Ned as to how he and Dash are related, namely when Dash asks him if he is his father: "If only it were as simple as that." This led me to believe that he was either 1) a clone or 2) somehow created from Ned's DNA. I noticed the battery thing, too, and I like your theory about their alien race having learned to channel energy.
My cousin and I, for our ginormous fanfiction/comic "The Eerie Project", go into an entire section about Dash's origins. Basically, he was created by scientists on Ned's world using Ned's DNA and DNA from a woman they snatched from Eerie (by pure coincidence). When his abilities (similar to your theory about channeling energy- in our case, he can manipulate metal and electricity) failed to manifest on their world, the scientists erased his memories and sent him through another portal- which happened to end up in Eerie. So there's my two cents on the issue.
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I think we get a few clues from Ned as to how he and Dash are related, namely when Dash asks him if he is his father: "If only it were as simple as that." This led me to believe that he was either 1) a clone or 2) somehow created from Ned's DNA. I noticed the battery thing, too, and I like your theory about their alien race having learned to channel energy.
My cousin and I, for our ginormous fanfiction/comic "The Eerie Project", go into an entire section about Dash's origins. Basically, he was created by scientists on Ned's world using Ned's DNA and DNA from a woman they snatched from Eerie (by pure coincidence). When his abilities (similar to your theory about channeling energy- in our case, he can manipulate metal and electricity) failed to manifest on their world, the scientists erased his memories and sent him through another portal- which happened to end up in Eerie. So there's my two cents on the issue.
On a related note, I love your icon. <3