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 was told they stopped working on any machine that was 5 years or older,”
And another: https://www.theverge.com/2024/9/26/24255074/former-jockey-michael-straight-exoskeleton-repair-battery
We really need standardization in batteries. I usually think that about ebikes, but this is another good example.