"Michael Straight, a former jockey paralyzed from the waist down, was left unable to walk for two months after the company behind his $100,000 exoskeleton refused to fix a battery issue. "
“I called [the company] thinking it was no big deal, yet I was told they stopped working on any machine that was 5 years or older,”


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On the other other hand, there are tons of commonly available industry standard batteries that a manufacturer could choose to use, if they wanted to.